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Series EPC
Up to 110A 460 Vac Phase Angle Controller
Part Number EPC24N10A EPC24N40A EPC24N40R EPC46N70A EPC46N110A Description 10A, 265 Vac 40A, 265 Vac 40A, 265 Vac 70A, 460 Vac 110A, 460 Vac
Part Number Explanation
EPC
24
N
10
A
FEATURES/BENEFITS * External phase angle adjust * Designed for all loads * Excellent thermal performance * Internal output protection * Proportional control with voltage or current input. DESCRIPTION The Series EPC phase angle controller has an analog input isolated from the mains to vary the phase angle proportionally to the input and load voltage. The EPC phase angle controller is designed mainly for resistive loads. The EPC may be used with inductive loads, but with limitations. It provides internal protection from load transients. The conduction level is controlled by the input. The Series EPC provides an external adjust that allows the user to modify the cycle time for any particular application. APPLICATIONS * Lighting control (light dimming) * Single-phase motors * Heating control (regulation)
NOTES 1) Line Voltage (nominal): 24 = 240 Vac; 46 = 460 Vac 2) Switch Type: N = Phase Angle Control 3) Control Range: A = 0-10 Vdc; R = 4-20 mAdc
MECHANICAL SPECIFICATION
1.55 (39.5)
3.26 (82.7) .17 (4.4) 1.57 2.89 (40) (73.5)
TYPICAL APPLICATION
3.58 (91) 3.94 (100) WEIGHT: 14.46 oz. (410g)
Figure 1 - EPC relays; dimensions in inches (mm)
+ -
cycle Time
L1
L2
Power supply
Cycle time adjust
Load
Figure 2 - EPC relays
(c) 2003 TELEDYNE RELAYS (800) 284-7007 * www.teledynerelays.com EPC 1
EPC\032003\Q1
Series EPC
INPUT (CONTROL) SPECIFICATION Min Control Voltage Range EPCXXNXXA EPC24N40R Control Current Range EPC24N40R Must Turn-Off Voltage EPCXXNXXA Must Turn-Off Current EPC24N40R Input Resistance (Typical) EPCXXNXXA EPC24N40R 4002% 0.25 Ohms Ohms 4 mA Off-State Leakage Current EPC24N10A EPC24N40A EPC24N40R EPC46N70A EPC46N110A OUTPUT (LOAD) SPECIFICATION Min Operating Range EPC24 EPC46 115 200 265 460 Vrms Vrms Turn-Off Time All relays 41.5 ms Max Unit Turn-On Time All relays (60 Hz) 8.3 ms 4 4 4 5 5 mArms mArms mArms mArms mArms 0.2 V On-State Voltage Drop All relays 1.6 V 5.5 20 mAdc 0 1 10 5 V V Max Units OUTPUT (LOAD) SPECIFICATION (Continued) Min Maximum Surge Current Rating (Non-Repetitive, See Figure 9) EPC24N10A EPC24N40A EPC24N40R EPC46N70A EPC46N110A 120 550 550 1000 2000 A A A A A Max Unit
Peak Voltage (Clamping Voltage) EPC24 EPC46 Internal Circuit Consumption EPC24 EPC46 Load Current Range (See Figure 8) EPC24N10A EPC24N40A EPC24N40R EPC46N70A EPC46N110A .01 .01 .01 .01 .01 10 40 40 70 110 Arms Arms Arms Arms Arms 7 4 mArms mArms 600 (450) Vpeak 1200 (800) Vpeak
Operating Frequency (Trimmer must be adjusted) All relays 47 100 Hz
Off-State dv/dt (Non-Repetitive) All relays I2t for Match Fusing (<8.3ms) EPC24N10A EPC24N40A EPC24N40R EPC46N70A EPC46N110A 72 1500 1500 5000 20,000 A2S A2S A2S A2S A2S 500 V/s
EPC 2
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE
(c) 2003 TELEDYNE RELAYS
EPC\032003\Q1
Series EPC
EQUIVALENT CIRCUIT
N +8V External setting of the synchronization ramp versus main voltage Ramp Supply Mains P
ENVIRONMENTAL SPECIFICATION Min Storage Temperature Operating Temperature Junction Temperature -40 -40 -40 Max 85 85 125 2.7 1.1 1.1 0.43 0.35 8 100 50 Unit C C C C/W C/W C/W C/W C/W pF G G
Synchro
Transformer
Junction-Case Thermal Resistance EPC24N10A EPC24N40A
Analog input +
- + LED Photocoupler
EPC24N40R EPC46N70A
Load
Analog input -
EPC46N110A Input-Output Isolation Shock (@11ms) Vibrations (10 to 4000Hz)
Figure 3 - EPC relays
EXTERNAL PHASE ANGLE ADJUST
Input-Output Isolation @500m All relays Output-Case Isolation @500m EPC24N10A All relays
2500
Vrms
2500 3300
Vrms Vrms
Setting position of the integrated trimmer: 180
Setting position of the integrated trimmer: 90
Rated Impulse Voltage EPC24N10A All relays 2500 4000 V V
Figure 4 - EPC relays
PRINCIPLE OF PHASE ANGLE CONTROL: INPUT/OUTPUT TRANSFER CHARACTERISTICS
Resistive load
Load voltage Load current U Load/ U Mains tr 100%
RMS inductive load voltage versus delay time control
Firing delay time
75%
Inductive load
Load voltage Load current
50%
25% tr
RMS resistive load voltage versus delay time control tr
half cycle full cycle
Firing delay time
0% 0ms
Figure 5 - EPC relays
(c) 2003 TELEDYNE RELAYS
(800) 284-7007 * www.teledynerelays.com
EPC 3
EPC\032003\Q1
Series EPC
INPUT/OUTPUT TRANSFER CHARACTERISTICS
Firing delay time 8.4ms
Firing delay time 10ms
1
1 5
5
4
4.2ms
5ms
4
2 3
Analog input voltage
2 3
Analog input voltage
Load voltage
0ms
0V -> EPCXXXXXA
10V
Load voltage
0ms
0mA
5.5mA -> EPC24N40R
20mA
Figure 6a - EPCXXNXXA
1. Factory presetting to 144 10% (@50Hz)of the initial maximum firing delay angle. It can be modified by using the external phase angle adjust. A variation in the load voltage causes a small decrease of this angle. For 60Hz see item 4. 2. Full conduction mode voltage: Control Voltage = 10 Vdc (+0; -5%) 3. Factory presetting to 0.2 Vdc 0.1V of the minimum control input voltage. Below 0.2Vdc, the relay is off; above 0.2Vdc, the relay is On at a firing delay angle that depends on the external phase angle adjust. 4. Possible presetting zone by using the external phase angle adjust. 5. Firing delay angle limit: 170 (0; +5%); Conditions: EPC24 @ 135 Vac, EPC46 @ 240Vac
Figure 6b - EPC24N40R
1. Factory presetting to 170 10% (@50Hz)of the initial maximum firing delay angle. It can be modified by using the external phase angle adjust. A variation in load voltage causes a small decrease of this angle. For 60Hz see item 4. 2. Full conduction mode voltage: 20 mA (+0; -10%) 3. Factory presetting to 5.5 mA (+10%; -0) of the minimum control input current. 4. Possible presetting zone by using the external phase angle adjust. 5. Firing delay angle limit: 170 (0; +5%); Conditions: @135 Vac; Control input = 5.5 mA.
TYPICAL FILTER EXAMPLES
Filter C1
Filter 1
P
Filter 2 C2 Relay L
C1
Relay
L
N
M C0 1 Filter 1 comprised of C1 and motor inductance
Load C1 type : X2
C0 Usually C0 = 2.2nF max Y type
Figure 7a - Low currents
Figure 7b - High currents, filters in series
EPC 4
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE
(c) 2003 TELEDYNE RELAYS
EPC\032003\Q1
Series EPC
THERMAL CHARACTERISTICS
Tcase max (C)
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 0 1 2 3 4 5 6 7 8 9 10 0 1 10 20 30 40 50 60 70 80 90 100110 125 Without Heat Sink 240 Vac 5C/W 440 Vac
4C/W
SURGE CURRENT
150
85 0C/W 87.5
Non-Repetitive
2C/W
Power Dissipation (W)
Apeak
100
50
90C
Repetitive with initial Tj = 70C
0 0.01 0.1
t (s)
1
10
Figure 9a - EPC24N10A
600
Non-Repetitive
Load Current (Arms)
Ambient Temperature (C)
Figure 8a - EPC24N10A
0.9C/W 60 55
1 /W C /W C 2 1.
0C
0. C 4
7 0.
Apeak
400
200
Repetitive with initial Tj = 70C
Tcase max (C)
65
0 0.01 0.1 1 10
50 45
75
t (s)
W C/
/W
/W
1.
Power Dissipation (W)
5 C
40 35 30 25
2 C/
/W
85
Figure 9b - EPC24N40A, EPC24N40R
1500
W
/W
Apeak
20 15 10 5 0 0 5 10 15 20 25 30 35 40 0
90C
4C
1000
Non-repetitive
With
out H
eat S
ink
500
Repetitive with initial Tj = 70C
1
10
20
30
40
50
60
70
80
90 100 110 125
0 0.01 0.1
Load Current (Arms)
Ambient Temperature (C)
t (s)
1
10
Figure 8b - EPC24N40A, EPC24N40R
120 85
Figure 9c - EPC46N70A
2000
Non-Repetitive
0C /W
110
110A
100 90
0. 55
C/W 0.1
C 0.2
/W
1500
/W
Apeak
Max. case temperature (C)
Power Dissipation (W)
0.
80 70 60 50 40 30 20 10 0 0 10 20 30 40 50 60 70 80 90 100 110 0
70A
1.
90C
Withou
5 0.7 W C/
9 C /W
2 C /W
/W
t Heat Sink
1000 500
Repetitive with initial Tj = 70C
0 0.01 0.1
t (s)
1
10
2C
Figure 9d - EPC46N110A
10
20
30
40
50
60
70
80
90
100
Load Current (Arms)
Ambient Temperature (C)
Figure 8c - EPC46N70A, EPC46N110A
NOTES: 1. Electrical specifications at 25C unless otherwise specified. 2. Phase cutting generates RFI. Filters are recommended. 3. For inductive loads, contact factory. (c) 2003 TELEDYNE RELAYS (800) 284-7007 * www.teledynerelays.com EPC 5
EPC\032003\Q1

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