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Solid State Relays with Built-in Current Transformer
G3PF
A New-concept SSR with Built-in Current Transformer. Heater Burnout and SSR Shortcircuit Failure Detection.
* Built-in Current Transformer (CT) helps reduce wiring steps. * Detects the burnout of any one of a group of heaters. * Detects the burnout of 3-phase heaters. * Detects SSR short-circuit failures. * Error detection level can be easily set with a switch. * Mounts to a DIN track or with screws. * Three types of input terminals available: M3 terminals, screwless clamp terminals (detachable), or compact slotted screw terminals (detachable). * Certified for CSA and EN (TUV). * The G3PF-2@@B-@@@ Series is UL certified.
Refer to Safety Precautions for All Solid State Relays and Safety Precautions on page 10.
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CSM_G3PF_DS_E_5_1
Ordering Information
List of Models
Input terminals Isolation method Zero cross function Operation indicator Alarm output Applicable load (See note.) 2 to 25 A, 100 to 240 VAC M3 terminals 1 output 2 to 35 A, 100 to 240 VAC 2 to 25 A, 200 to 480 VAC 2 to 35 A, 200 to 480 VAC Screwless clamp terminals (detachable) Phototriaccoupler 2 outputs (Heater Burnout Detection, SSR Short-circuit Failure Detection) 2 outputs (Heater Burnout Detection, SSR Short-circuit Failure Detection) 2 to 25 A, 100 to 240 VAC 2 to 35 A, 100 to 240 VAC 2 to 25 A, 200 to 480 VAC 2 to 35 A, 200 to 480 VAC 2 to 25 A, 100 to 240 VAC 2 to 35 A, 100 to 240 VAC 2 to 25 A, 200 to 480 VAC 2 to 35 A, 200 to 480 VAC Model G3PF-225B G3PF-235B G3PF-525B G3PF-535B G3PF-225B-CTB G3PF-235B-CTB G3PF-525B-CTB G3PF-535B-CTB G3PF-225B-STB G3PF-235B-STB G3PF-525B-STB G3PF-535B-STB
Yes
Yes
Compact slotted screw terminals (detachable)
Note: The load current depends on the ambient temperature. Refer to Load Current vs. Ambient Temperature under Engineering Data for details.
Specifications
Certification
CSA 22.2 No. 14, EN 60947-4-3, UL508 (The G3PF-2@@B-@@@ Series)
Ratings
Detection Power Supply
Rated power supply voltage Operating voltage range Current consumption 24 VDC 20.4 to 26.4 VDC 50 mA DC max. (at 24 VDC)
Operation Input
Input method Rated input voltage Operate voltage Release voltage Voltage input 12 to 24 VDC 9.6 VDC max. 1.0 VDC min. 5 mA DC max. (at 12 VDC) 10 mA DC max. (at 24 VDC)
Operating input voltage range 9.6 to 26.4 VDC
Alarm Output
Output OFF collector voltage 30 VDC max. Maximum carry current Output form Minimum load current 100 mA NPN open collector (ON when error is detected.) 0.1 mA
Input current
1
G3PF
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Main Circuit
Model Item Rated load voltage Operating voltage range Applicable load current* Minimum load current Inrush current resistance G3PF-225B G3PF-225B-CTB G3PF-225B-STB 100 to 240 VAC (50/60 Hz) 75 to 264 VAC, 50/60 Hz 25 A (at 40C) 2A 220 A (60 Hz, 1 cycle) 430 A (60 Hz, 1 cycle) 220 A (60 Hz, 1 cycle) 430 A (60 Hz, 1 cycle) 35 A (at 40C) G3PF-235B G3PF-235B-CTB G3PF-235B-STB G3PF-525B G3PF-525B-CTB G3PF-525B-STB 200 to 480 VAC (50/60 Hz) 180 to 528 VAC, 50/60 Hz 25 A (at 40C) 35 A (at 40C) G3PF-535B G3PF-535B-CTB G3PF-535B-STB
Note: The load current depends on the ambient temperature. Refer to Load Current vs. Ambient Temperature under Engineering Data for details.
Characteristics
Model Item Operate time Release time Main circuit Alarm output Leakage current Leakage current G3PF-225B G3PF-225B-CTB G3PF-225B-STB G3PF-235B G3PF-235B-CTB G3PF-235B-STB G3PF-525B G3PF-525B-CTB G3PF-525B-STB G3PF-535B G3PF-535B-CTB G3PF-535B-STB
1/2 of load power source cycle + 1 ms max. 1/2 of load power source cycle + 1 ms max. 1.8 V (RMS) max. 20 mA max. (at 480 VAC) 10 mA max. (at 200 VAC) 1 mA max. 100 M min. (at 500 VDC) 2,500 VAC, 50/60 Hz for 1 min. Destruction: 10 to 55 to10 Hz, 0.35-mm single amplitude (0.7-mm double amplitude) Destruction: 294 m/s2 -30 to 70C (with no icing or condensation) -20 to 60C (with no icing or condensation) 45% to 85% Approx. 400 g Approx. 630 g Approx. 400 g Approx. 630 g
Output ON voltage drop 1.6 V (RMS) max. Output ON voltage drop 1.5 V max.
Isolation resistance Dielectric strength Vibration resistance Shock resistance Ambient storage temperature Ambient operating temperature Ambient operating humidity Weight
2
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Connection
Connection Example
G3PF-@@@B
L1
Controlled by NPN Transistor
G3PF L1 +24 V (1) -24 V (2) INPUT+ (3)
G3PF225B
1 DC24V 2
24 VDC Output device (NPN transistor output)
INPUT- (4)
1 2 3 4 5 6
24 VDC Voltage output for Temperature Controller, PLC
Heater
T1
ALM+ (5) ALM- (6)
Input device (positive common example) COM IN1 IN2
3 INPUT 4
12 to 24 VDC
Controlled by PNP Transistor
Input for Relay, PLC (See note.)
G3PF L1 +24 V (1) 24 VDC Output device (PNP transistor output)
5 ALM 6
MADE IN JAPAN
30 VDC min.
-24 V (2) INPUT+ (3) INPUT- (4) Input device (negative common example) COM IN1 IN2
T1
ALM+ (5) ALM- (6)
Heater
Heater
T1
Note: With inductive loads (relay coil, etc.), connect back-current prevention diodes to both sides of the load.
G3PF-@@@B-CTB, G3PF-@@@B-STB
L1
Controlled by NPN Transistor
G3PF L1 +24 V (1) -24 V (2) INPUT+ (3) 24 VDC Output device (NPN transistor output)
24 VDC
G3PF225B-CTB
1 DC24V 2 3 INPUT 4 5 ALM (OPEN) 6 7 ALM (SHORT) 8
MADE IN JAPAN
INPUT- (4)
1 2 3 4 5 6 7 8
Voltage output for Temperature Controller, PLC
12 to 24 VDC
Heater
ALM+ (5) (Heater burnout) ALM- (6) T1 ALM+ (7) (SSR short-circuit) ALM- (8) T1
Input device (positive common example) COM IN1 IN2
Input for Relay, PLC (See note.)
Controlled by PNP Transistor
G3PF 24 VDC Output device (PNP transistor output) L1 +24 V (1) -24 V (2)
30 VDC min.
Input for Relay, PLC (See note.)
INPUT+ (3) INPUT- (4) Input device (negative common example) COM IN1 IN2
T1
30 VDC min.
Heater
Note: With inductive loads (relay coil, etc.), connect back-current prevention diodes to both sides of the load. Terminals 5-6 output a heater burnout alarm, and terminals 7-8 output an SSR short-circuit failure alarm.
ALM+ (5) (Heater burnout) ALM- (6) ALM+ (7) (SSR short-circuit) ALM- (8) T1
Heater
3
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Operation
Error Detection Function
Setting the Heater Burnout Detection Level
* The heater burnout detection level is set with switches on the front of the G3PF. * Turn the switches to the current value to be detected. The top switch sets the tens digit, and the bottom switch sets the ones digit. The default settings are followings: Setting switch (top row): 0 Setting switch (bottom row): 1
Example of setting 12 A Setting switch (top row): 1 Setting switch (bottom row): 2
Operation during an Error
Model G3PF-@@@B Condition Normal Heater burnout, SSR open-circuit SSR short-circuit Normal Heater burnout, SSR open-circuit SSR short-circuit Alarm indicator (red) Unlit Lit Flashing Unlit Lit Flashing Alarm output Terminals 5-6 OFF ON OFF ON OFF Terminals 7-8 None OFF OFF ON
G3PF-@@@B-CTB G3PF-@@@B-STB
Heater Burnout Detection Function
Model Item Detection setting range Detection tolerance Detection time G3PF-@25B, G3PF-@25B-@@@ 1 to 25 A (1-A increments) G3PF-@35B, G3PF-@35B-@@@ 1 to 35 A (1-A increments)
Heater Burnout Detection Current Range
Setting switch Top switch (tens digit) 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 * * * 9 Bottom switch (ones digit) 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 * * * 9 Heater burnout detection current (A) G3PF-@25B, G3PF-@35B, G3PF-@25B-@@@ G3PF-@35B-@@@ Minimum Maximum Minimum Maximum Cannot be set Cannot be set 0.8 1.2 0.8 1.2 1.6 2.4 1.6 2.4 2.4 3.6 2.4 3.6 3.2 4.8 3.2 4.8 4.0 6.0 4.0 6.0 5.7 6.3 4.8 7.2 6.7 7.4 5.6 8.4 7.6 8.4 7.6 8.4 8.6 9.5 8.6 9.5 9.5 10.5 9.5 10.5 10.5 11.6 10.5 11.6 11.4 12.6 11.4 12.6 12.4 13.7 12.4 13.7 13.3 14.7 13.3 14.7 14.3 15.8 14.3 15.8 15.2 16.8 15.2 16.8 16.2 17.9 16.2 17.9 17.1 18.9 17.1 18.9 18.1 20.0 18.1 20.0 19.0 21.0 19.0 21.0 20.0 22.1 20.0 22.1 20.9 23.1 20.9 23.1 21.9 24.2 21.9 24.2 22.8 25.2 22.8 25.2 23.8 26.3 23.8 26.3 24.7 27.3 25.7 28.4 26.6 29.4 27.6 30.5 28.5 31.5 29.5 32.6 30.4 33.6 Cannot be set 31.4 34.7 32.3 35.7 33.3 36.8
5% (20% for a rated load current setting of 20% or less. See table at right for details.) 1.0 s max. (with ON/OFF control)
Note 1. The alarm is output if the load current falls below the error detection current. 2. Take the detection tolerance into consideration in setting the error detection current. (For details, refer to the Heater Burnout Detection Current Range table at the right.) 3. When using cycle control, heater burnout detection is possible at a control cycle of 200 ms min. and an output duty of 50% min. (When combined with the G32A-EA, heater burnout can be detected at an output duty of 50% or higher.) 4. When using cycle control, the detection time increases in inverse proportion to the output duty. 5. When used in combination with optimal cycle control (G3ZA), the heater burnout detection function cannot be used. 6. Do not set the heater burnout detection current to 0 A. Doing so would cause constant detection of a SSR short-circuit failure when no operation input is applied. Also, settings 4 to 9 on the top setting switch are invalid. Do not set the switch to these values. 7. The heater burnout detection function cannot be disabled. If it is not needed, set it to the lowest setting (1 A). 8. When the heater burnout detection level is changed, the new value becomes effective immediately after the change. (The set value can be changed in the G3PF even during operation.)
SSR Failure Detection
Detection level Detection time One-half the set value for heater burnout detection 1.0 sec max. (ON/OFF control) (See note.)
Note: When using cycle control, the detection time increases in inverse proportion to the output duty.
Cannot be set
4
G3PF
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Nomenclature
G3PF-@@@B
Terminal Arrangement
Terminal name Main circuit terminals (output) Detection power supply (input) Operation input (input) Alarm output terminals (output) Terminal number L1, T1 1, 2 3, 4 5, 6 M3 Screw size M5
G3PF225B
1 DC24V 2
L1 Operation indicator (yellow) Alarm indicator (red) 1: +24 V 2: -24 V
INPUT 4
3
3: INPUT+ 4: INPUT-
Indicators
Name Operation indicator Alarm indicator Color Yellow Red Condition Lit Lit Flashing Meaning Operating Heater burnout detection SSR open-circuit detection SSR short-circuit detection
5 ALM 6
5: ALM+ 6: ALM-
T1
Heater burnout detection level switch
G3PF-@@@B-CTB, G3PF-@@@B-STB
Terminal Arrangement
Terminal name Main circuit terminals (output) Operation input (input) Detection power supply (input) Heater burnout alarm output (output) SSR short-circuit alarm output (output) Screw size Terminal number G3PF-@@@B-CTB G3PF-@@@B-STB L1, T1 1, 2 3, 4 5, 6 7, 8 Screwless clamp terminals (FK-MCP1.5/8STF-3.5, made by Phoenix Contact) M2 slotted screw terminals (MCVW1.5/8-STF3.5, made by Phoenix Contact) M5 M5
L1 Operation indicator (yellow) Alarm indicator (red) 1: +24 V 2: -24 V 3: INPUT+ 4: INPUT- 5: ALM+ (Heater burnout) 6: ALM- (Heater burnout) 7: ALM+ (SSR short-circuit) 8: ALM- (SSR short-circuit)
G3PF225B-CTB
1 DC24V 2 3 INPUT 4 5 ALM (OPEN) 6 7 ALM (SHORT) 8
MADE IN JAPAN
1 2 3 4 5 6 7 8
Indicators
Name Operation indicator Alarm indicator Color Yellow Red Condition Lit Lit Flashing Meaning Operating Heater burnout detection SSR open-circuit detection SSR short-circuit detection
T1 Heater burnout detection level switches
5
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Engineering Data
Load Current vs. Ambient Temperature G3PF-@25B G3PF-@25B-@TB
Load current (A) 40
G3PF-@35B G3PF-@35B-@TB
Load current (A) 40 G3PF-235B 35 30
Individual mounting
30 G3PF-225B 25 20 15 10
Individual or close mounting
Close mounting
21 20 17
10
0 -30 -20
0
20
40
60
80
100
0 -30 -20
0
20
40
60
80
100
Ambient temperature (C)
Ambient temperature (C)
Note: The data above assumes that the Unit is mounted on a vertical surface. If it is mounted on a horizontal surface, reduce the load current shown above by 30%.
One Cycle Surge Withstand Current G3PF-@25B G3PF-@25B-@TB
Inrush current (A. Peak) 250
Non-repetitive input (For repetitive input, the figure will be less than the value for surge current withstand indicated by the broken line.)
G3PF-@35B G3PF-@35B-@TB
Inrush current (A. Peak) 500
200
400
150
300
100
200
50
100
0 10
30 50
100
300 500 1,000
3,000 5,000
0 10
30 50
100
300 500 1,000
3,000 5,000
Energized time (ms)
Energized time (ms)
6
G3PF
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Dimensions
Main unit
G3PF-@25B
Two, M5 250.2 4.6 dia.
(Unit: mm)
77.6 38.1
100 max. 900.2
Six, M3
12
13 Elliptical hole: 4.6 x 5.6 45 max.
4.5
Mounting Holes 250.3
900.3
110 max. 86.8
Two, 4.5 dia. or M4
G3PF-@35B
Two, M5
250.2
4.6 dia.
77.6 38.1
100 max. 900.2
Six, M3
4.5 13.5 11.5 Elliptical hole: 4.6 x 5.6 55 max.
Mounting Holes 250.3
130 max. 900.3 106.8
Two, 4.5 dia. or M4
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G3PF-@25B-CTB
Two, M5
250.2
4.6 dia.
77.6
100 max. 900.2
4.5 12 13 Elliptical hole: 4.6 x 5.6 45 max.
Mounting Holes 250.3
117 max. 900.3 110 max. 86.8 Two, 4.5 dia. or M4
G3PF-@35B-CTB
Two, M5
250.2
4.6 dia.
77.6
100 max. 900.2
4.5 13.5 11.5 Elliptical hole: 4.6 x 5.6 55 max.
Mounting Holes 250.3
137 max. 900.3 130 max. 106.8 Two, 4.5 dia. or M4
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G3PF-@25B-STB
Two, M5
250.2
4.6 dia.
77.6
100 max. 900.2
Eight, M2
4.5 12 13 Elliptical hole: 4.6 x 5.6 Mounting Holes 250.3 45 max.
115 max. 900.3 110 max. 86.8 Two, 4.5 dia. or M4
G3PF-@35B-STB
Two, M5
250.2
4.6 dia.
77.6
100 max. 900.2
Eight, M2
4.5 13.5 11.5 Elliptical hole: 4.6 x 5.6 55 max.
Mounting Holes 250.3
135 max. 900.3 130 max. 106.8 Two, 4.5 dia. or M4
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Safety Precautions
Refer to Safety Precautions for All Solid State Relays.
CAUTION
The G3PF may rupture if short-circuit current flows. As protection against accidents due to short-circuiting, be sure to install protective devices, such as fuses and no-fuse breakers, on the power supply side. Minor burns may occasionally occur. Do not touch the SSR or the heat sink while the power is being supplied or immediately after the power supply has been turned OFF. The SSR and heat sink become extremely hot. Minor electrical shock may occasionally occur. Do not touch the main circuit terminals on the SSR immediately after the power supply has been turned OFF. Shock may result due to the electrical charge stored in the built-in snubber circuit. Minor electrical shock may occasionally occur. Always turn OFF the power supply before performing wiring. Also, always attach the cover terminal. 3. Conditions in which the G3PF may be subject to condensation as the result of rapid changes in temperature. 4. Conditions in which the G3PF may be dropped or subject to excessive vibration or shock. 5. Conditions in which the G3PF is not packaged. (3) Mounting 1. Do not use the G3PF if the heat radiation fins have been bent by being dropped. Doing so may result in malfunction due to a reduction in the heat radiation performance. 2. Do not block the movement of the air surrounding the SSR or heat sink. Abnormal heating of the SSR may result in shorting failures of the output elements or burn damage. 3. Make sure that there is no excess ambient temperature rise due to the heat generation of the G3PF. If the G3PF is mounted inside a panel, install a fan so that the interior of the panel is fully ventilated. Otherwise, shorting failures of the output elements or burn damage may result. 4. Make sure the DIN track is securely mounted. Otherwise, the G3PF may fall. 5. Do not handle the G3PF with oily or dusty (especially iron dust) hands. Doing so may result in malfunction. 6. Mount the G3PF in the specified direction (on a vertical or horizontal surface). Otherwise excessive heat generated by the G3PF may cause short-circuit failures of the output elements or burn damage.
Mounted on a vertical surface Mounted on a horizontal surface
Precautions for Safe Use
OMRON constantly strives to improve quality and reliability. SSRs, however, use semiconductors, and semiconductors may commonly malfunction or fail. In particular, it may not be possible to ensure safety if the SSRs are used outside the rated ranges. Therefore, always use the SSRs within the ratings. When using an SSR, always design the system to ensure safety and prevent human accidents, fires, and social harm in the event of SSR failure. System design must include measures such as system redundancy, measures to prevent fires from spreading, and designs to prevent malfunction. (1) Operating and Storage Environments Do not use or store the G3PF in the following locations. Doing so may result in damage, malfunction, or deterioration of performance characteristics. 1. Locations subject to corrosive or flammable gases. 2. Do not store in locations subject to ambient storage temperatures outside the range -30 to 70C. 3. Do not use in locations subject to ambient operating temperatures outside the range -20 to 60C. 4. Do not use in locations subject to relative humidity outside the range 25% to 85%. 5. Locations subject to high temperature or high humidity. 6. Locations subject to condensation as the result of rapid changes in temperature. 7. Locations subject to exposure to water, oil, or chemicals. 8. Locations subject to dust (especially iron dust) or salts. 9. Locations subject to rainwater or water splashes. 10.Locations subject to direct sunlight. 11.Locations subject to shock or vibration. (2) Transport Do not transport the G3PF under the following conditions. Doing so may result in damage, malfunction, or deterioration of performance characteristics. 1. Conditions in which the G3PF may be subject to water or oil splashes. 2. Conditions in which the G3PF may be subject to high temperature or high humidity.
Vertical direction
Panel
7. When mounting the G3PF to a control panel or other fixture with screws, be sure to tighten the screws to a torque of 0.98 to 1.47 N*m. A lower level of tightening torque may cause the G3PF to fall. 8. Do not drop the G3PF or subject it to excessive vibration or shock. Doing so may result in damage, malfunction, or deterioration of performance characteristics. (4) Wiring 1. Use wires that are thick enough for the load current. Otherwise, excessive heat generated by the wire may cause burning. Tightening torque M2: 0.22 to 0.28 N*m M3: 0.4 to 0.56 N*m M5: 1.57 to 2.35 N*m Control connector mounting torque (detachable terminal) 0.25 to 0.3 N*m 2. When tightening terminal screws, prevent any nonconducting material from becoming caught between the screws and the tightening surface. Otherwise, excessive heat generated by the terminal may cause burning. 3. Use wires that are suited to the load current and voltage. Otherwise, excessive heat generated by the wires may cause burning, or the outer covering of the wire may melt, resulting in electrical shock or ground fault. 4. Use a crimp terminal size that is suited to the diameter of the wire. Otherwise, it may result in burning, or the outer covering of the wire may melt, resulting in electrical shock or ground fault.
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5. Do not use wires with a damaged outer covering. Otherwise, it may result in electric shock or ground leakage. 6. Do not wire any wiring in the same duct or conduit as power or high-tension lines. Otherwise, inductive noise may damage the G3PF or cause it to malfunction. (5) Adjustment and Use Do not adjust or use the G3PF under the following conditions. Doing so may result in damage, malfunction, or burning. 1. Conditions in which voltage or current exceeding the rated values is applied to the input or output terminals. 2. Conditions in which a load exceeding the rated range is selected or used. 3. Conditions in which a power supply frequency other than the rated frequency is selected or used. (6) Failure Detection If the G3PF control circuit or alarm output circuit should malfunction, the failure detection function and output will not operate normally. To protect against this possibility, it is recommended that the design includes redundant safety functions. (7) Noise and Surge Effects If noise or an electrical surge occurs that exceeds the malfunction withstand limit for the G3PF output circuit, the output will turn ON for a maximum of one half cycle to absorb the noise or surge. Confirm that turning the output ON for a half cycle will not cause a problem for the device or system in which the G3PF is being used prior to actual use. The G3PF malfunction withstand limit is shown below. * Malfunction withstand limit (reference value): 500 V
Note: This value was measured under the following conditions. Noise duration: 100 ns and 1 s Repetition period: 100 Hz Noise application time: 3 min
Precautions for Correct Use
The SSR in operation may cause an unexpected accident. Therefore it is necessary to test the SSR under the variety of conditions that are possible. As for the characteristics of the SSR, it is necessary to consider differences in characteristics between individual SSRs. The ratings in this catalog are tested values in a temperature range between 15C and 30C, a relative humidity range between 25% and 85%, and an atmospheric pressure range between 88 and 106 kPa. It will be necessary to provide the above conditions as well as the load conditions if the user wants to confirm the ratings of specific SSRs. (1) Solvents Do not allow the resin parts of the G3PF to come in contact with solvents, such as alcohol, thinner, trichloroethane, or gasoline. Doing so will dissolve markings and may result in deteriorating the performance of the parts. (2) Oil Do not allow the terminal cover of the G3PF to come in contact with oil. Doing so may cause the cover to become cloudy or to crack. (3) Mounting Do not drop the G3PF or subject it to excessive vibration. Doing so may result in damage, malfunction, or deterioration of performance characteristics. (4) Mounting Interval (Panel Mounting)
Note: When close mounting, check Load Current vs. Ambient Temperature under Engineering Data.
Between duct and G3PF
Duct or other object blocking airflow
G3PF-@25-@@@
80 mm min.
Mounting direction Vertical direction
80 mm min.
Host and slave G3PF-@35-@@@
80 mm min.
Between duct and G3PF
50 mm min.
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(5) G3PF and Duct (or Other Object Blocking Airflow) Relationship
Incorrect Example Countermeasure 1
30 mm max. (No more than 1/3 the G3PF depth is recommended.)
Countermeasure 2
Duct or other object blocking airflow
Airflow
Mounting surface
Mounting surface
Vertical direction
Mounting surface G3PF
Base
G3PF
Duct or other airflow-blocking object
If the depth direction of the G3PF is obstructed by ducts, the heat radiation will be adversely affected.
Use ducts that have a shallow depth, to provide a sufficient ventilation area.
If the ducts cannot be made lower, place the G3PF on a metal base so that it is not surrounded by the ducts.
(6) Ventilation Outside the Control Panel
Be aware of airflow
Duct or other object blocking airflow
G3PF
Ventilation outlet (Axial Fan)
Air inlet
G3PF
Note 1. If the air inlet or air outlet has a filter, clean the filter regularly to prevent it from clogging to ensure an efficient flow of air. 2. Do not locate any objects around the air inlet or air outlet, otherwise the objects may obstruct the proper ventilation of the control panel. 3. A heat exchanger, if used, should be located in front of the G3PF to ensure the efficiency of the heat exchanger.
(7) G3PF Ambient Temperature The rated current of the G3PF is measured at an ambient temperature of 40C. (8) The G3PF uses a semiconductor to switch the load. This causes the temperature inside the control panel to increase due to heating resulting from the flow of electrical current through the load. G3PF reliability can be increased by adding a ventilation fan to the control panel to dispel this heat, thus lowering the ambient temperature of the G3PF. (Arrhenius's law suggests that life expectancy is doubled by each 10C reduction in ambient temperature.)
G3PF rated current (A) Required number of fans per G3PF 25 A 0.4 35 A 0.54
Example: For 10 G3PF SSRs with load currents of 35 A, 0.54 x 10 = 5.40 Thus, 6 fans would be required.
Note 1. Size of fans: 92 mm2, Air volume: 0.7 m3/min, Ambient temperature of control panel: 30C 2. If there are other instruments that generate heat in the control panel in addition to SSRs, more ventilation will be required. 3. Ambient temperature: The temperature that will allow the SSR to cool by convection or other means.
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Read and Understand This Catalog
Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you have any questions or comments.
Warranty and Limitations of Liability
WARRANTY
OMRON's exclusive warranty is that the products are free from defects in materials and workmanship for a period of one year (or other period if specified) from date of sale by OMRON. OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, REGARDING NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR PARTICULAR PURPOSE OF THE PRODUCTS. ANY BUYER OR USER ACKNOWLEDGES THAT THE BUYER OR USER ALONE HAS DETERMINED THAT THE PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE. OMRON DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED.
LIMITATIONS OF LIABILITY
OMRON SHALL NOT BE RESPONSIBLE FOR SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS, WHETHER SUCH CLAIM IS BASED ON CONTRACT, WARRANTY, NEGLIGENCE, OR STRICT LIABILITY. In no event shall the responsibility of OMRON for any act exceed the individual price of the product on which liability is asserted. IN NO EVENT SHALL OMRON BE RESPONSIBLE FOR WARRANTY, REPAIR, OR OTHER CLAIMS REGARDING THE PRODUCTS UNLESS OMRON'S ANALYSIS CONFIRMS THAT THE PRODUCTS WERE PROPERLY HANDLED, STORED, INSTALLED, AND MAINTAINED AND NOT SUBJECT TO CONTAMINATION, ABUSE, MISUSE, OR INAPPROPRIATE MODIFICATION OR REPAIR.
Application Considerations
SUITABILITY FOR USE
OMRON shall not be responsible for conformity with any standards, codes, or regulations that apply to the combination of products in the customer's application or use of the products. At the customer's request, OMRON will provide applicable third party certification documents identifying ratings and limitations of use that apply to the products. This information by itself is not sufficient for a complete determination of the suitability of the products in combination with the end product, machine, system, or other application or use. The following are some examples of applications for which particular attention must be given. This is not intended to be an exhaustive list of all possible uses of the products, nor is it intended to imply that the uses listed may be suitable for the products: * Outdoor use, uses involving potential chemical contamination or electrical interference, or conditions or uses not described in this catalog. * Nuclear energy control systems, combustion systems, railroad systems, aviation systems, medical equipment, amusement machines, vehicles, safety equipment, and installations subject to separate industry or government regulations. * Systems, machines, and equipment that could present a risk to life or property. Please know and observe all prohibitions of use applicable to the products. NEVER USE THE PRODUCTS FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS, AND THAT THE OMRON PRODUCTS ARE PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM.
PROGRAMMABLE PRODUCTS
OMRON shall not be responsible for the user's programming of a programmable product, or any consequence thereof.
Disclaimers
CHANGE IN SPECIFICATIONS
Product specifications and accessories may be changed at any time based on improvements and other reasons. It is our practice to change model numbers when published ratings or features are changed, or when significant construction changes are made. However, some specifications of the products may be changed without any notice. When in doubt, special model numbers may be assigned to fix or establish key specifications for your application on your request. Please consult with your OMRON representative at any time to confirm actual specifications of purchased products.
DIMENSIONS AND WEIGHTS
Dimensions and weights are nominal and are not to be used for manufacturing purposes, even when tolerances are shown.
PERFORMANCE DATA
Performance data given in this catalog is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent the result of OMRON's test conditions, and the users must correlate it to actual application requirements. Actual performance is subject to the OMRON Warranty and Limitations of Liability.
ERRORS AND OMISSIONS
The information in this document has been carefully checked and is believed to be accurate; however, no responsibility is assumed for clerical, typographical, or proofreading errors, or omissions.
2010.1 In the interest of product improvement, specifications are subject to change without notice.
Industrial Automation Company
http://www.ia.omron.com/
OMRON Corporation
(c)Copyright OMRON Corporation 2010 All Right Reserved.

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