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FEATURES
* Miniature size * Current rating up to 22 Amps * Individually temperature calibrated and checked * Positive make and break with Klixon(R) snap-action disc * Reliable temperature performance over life of protector * Gasketed steel case suitable for impregnation processes * Current and temperature sensitivity for maximum design flexibility * Same side or opposite side terminations
The Klixon(R) 7AM thermal protector prevents overheating in a variety of consumer, industrial and commercial products. It is a miniature, snap-acting, thermally operated device that is a proven performer in protection technology. It is the right choice for applications where available space is at a premium. Thermtrol can provide these units with a variety of leads, terminations and insulating sleeves to meet specific requirements, including nickel strip leads for NI-CAD battery packs.
13.1 (.515) Ref.
Ca
nL
ead
Plate Lead
20.3 (.800) Max. 8.3 (.325) Ref 5.1 (.200) Max.
Plate Lead Attachment
APPLICATIONS
* Battery packs * Battery chargers * Permanent split capacitor motors * Shaded pole motors * HID ballasts * Fluorescent lighting ballasts * Transformers * Vacuum cleaners * Recessed lighting fixtures * Automotive accessory motors, solenoids, etc... * PC boards
6.6 (.260) Ref 10.9 (.430) Max.
Can Lead Attachment The Can The Insulator
Type A, Radial Lead Configuration
13.1 (.515) Ref. Can Lead Plate Lead
22.9 (.900) Max. Can Lead Attachment Plate Lead Attachment
8.3 8.3 (.325) Ref (.325) Ref 5.1 5.1 00) Max. (.200) Max. 6.6 6.6 (.260) Ref (.260) Ref 10.9 (.430) Max. The Can The Insulator
Type B, Axial Lead Configuration
Klixon(R) is a registered trademark of Texas Instruments, Inc.
www.thermtrol.com
E-mail: sales@thermtrol.com
All dimensions mm (in.) 8914 Pleasantwood Ave., N.W. * P.O. Box 2501 * North Canton, OH 44720 * (330) 497-4148 * Fax (330) 497-4189
Leads
Thermtrol's state-of-the-art automated lead processing equipment can produce lead wires to meet customer application needs for overall length, wire type, wire size, terminated connection and stripped length requirements.
Lead Tolerances Unless specified otherwise, the following tolerances apply to all assemblies. Lead Lengths Minimum Pull Strength 0" to 2" 0.062" Wire ga. Lead to Thermostat Lead to AMP Terminal 2.1" to 6" 0.125" 6.1" to 12" 0.250" 22-20 ga. 20 lbs. 20 lbs. 12.1" to 36" 0.500" 18 ga. 20 lbs. 20 lbs. 36.1" to 120" 0.750" 16-14 ga. 20 lbs. 50 lbs. Over 120" 1.000"
Contact Ratings 16Vdc 20 Amps 115Vac 22 Amps 277Vac 8 Amps 600Vac 4 Amps Ensure maximum contact needs do not exceed these voltage/current combinations. These ratings are applicable for 10,000 cycles.
Case Material Insulator Material Lead Attachments
Mechanical Specifications Nickel Zinc Coated Steel Dacron-Mylar-Dacron* impregnated with a sealing epoxy 18AWG-22AWG Standard Termination 16AWG-14AWG Also Available
*Dacron and Mylar are registered trademarks of E.I. DuPont de Nemours & Co., Inc.
Sleeving
UL Approvals
Approved Values Approved Applications Ratings Temp. Code Temp. (C) Appliance 120Vac/15FLA 85LRA 120Vac/5.5Amp Fluorescent 200Vac & 021-040 70-165 Ballast 240Vac/2Amp 201-219 Protector 277Vac/1.75Amp 600Vac/1Amp Incandescent 600 Watts Tungsten 021-039 70-165 Lamp Protector 120V Motor 120Vac, 240Vac 020-036 65-145 Protector 480 Vac 201-216 File No. E19340 Vol. 1 Sec. 4 Standard UL873 & C22.2 No. 74 (CUL)
In order to achieve optimum heat transfer from the protected medium or ambient to the thermostat, the 7AM has been designed with the case connected to the bimetallic disc. However, this feature makes it necessary to electrically insulate the 7AM from the mounting surface. Typically, this is accomplished with a Mylar sleeve available in 0.006 inch thickness, and marked with the part number. Custom markings and other sleeve materials can also be provided.
Bi-Metal Options
E40044 Vol. 1 Sec. 5
UL2111
7AM performance is dependent upon the applied current. In applications where temperature rise is less than 2C per second, use low-resistance ratings. High-resistance Bi-Metal is recommended for applications with 2- 5C per second rates of temperature rise. Contact the factory for additional application consideration if the rate of temperature rise exceeds 5C per second. Use these curves to determine which Bi-Metal will trip in the manner required for your application.
Ultimate Trip Current vs. Protector Ambient Temperature
20 7AM034 7AM033 7AM032 7AM031 7AM030 7AM029 7AM028 7AM027 7AM026 7AM025
Numbering System
7AM 202 A 5
Average First Cycle Tripping vs. Current in 25C Ambient
50
(Approx.: to be used for selecting samples only)
Standard Opening Temperature Code
15
40
10
7AM034 7AM033 7AM032 7AM031 7AM030 7AM029 7AM028 7AM027 7AM026 7AM025
30
9 Ultimate Trip Current in Amperes 8 7
6
20
5
4 7AM214 7AM213 7AM212 7AM211 7AM210 7AM209 7AM208 7AM207 7AM206 7AM205
15
7AM214 7AM213 7AM212 7AM211 7AM210 7AM209 7AM208 7AM207 7AM206 7AM205
3
Opening Temp. C 65 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140 145 150 155 160 165
15 10 9 8 7 6 5 4 1
Low Resistance Bi-Metal 70 /cmf 020 021 022 023 024 025 026 027 028 029 030 031 032 033 034 035 036 037 038 039 040
High Resistance Bi-Metal 468 /cmf 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220
Standard Opening Temperature Tolerance 5C
Terminal Configuration A B Type A Radial Leads Type B Axial Leads
Short Time Current in Amperes
Note: Unless otherwise requested, samples will be produced with 6" long, #18 gauge, XLPE 125C (UL3173) leads. Thermtrol will also apply appropriate insulation (Mylar or Nomex) to electrically isolate the protector body.
40
50
60
70
80
90
100 110 120 130
10 30 25
Nonstandard opening temperature and bimetal resistances are available.
20 Tripping Time in Seconds
Temperature in Degrees Centigrade
4/5

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