|
 |
| Voltage |
|
Upto 250 VAC or 24 VDC |
| Continuous Load |
|
Upto 8 AMPS |
| Maximum Load Switching Capacity |
|
30 AMPS
|
| Switching Action |
|
SPST Normally Closed (N.C.) contacts which open with a snap action at preset temperature. Also available Normally Open (N.O..) contacts which close with a snap action at preset temperature. |
| Flash-over Voltage |
|
Exceeds 2 KV between body & leads. |
| Endurance (Life) |
|
Exceeds 100,000 operations (trippings). |
| Trip Temperature |
|
Available preset for any trip temperature between 60  5 C to 160 5 C specified by customer. Trip temperature not adjustable. |
| Reset Temperature |
|
Reset temperature (restart temp) approx. 20 5 C below trip temperature. |
| Restart Mode |
|
Automatic restart upon cooling. Adequate precaution must be exercised in applications where automatic restart can cause injury, i.e., in power tools, mixie blades, power saws, machinery etc. |
|
I.S.I. Definition of Thermal Cut-outs
|
| -IS. 302-1973, Para 2.37: A device during abnormal operation, limits the temperature of an appliance, or parts of it, by automatically opening the circuit or by reducing the current, and which is so constructed that its setting cannot be altered by the user. |
Self-Resetting Thermal Cut-out
|
-I.S.. 302-1973, Para 2.38: A thermal cut-out which automatically restores the current after the relevant part of the appliance has cooled down sufficiently.
U.S. Standards are specified by U.L. 547 - THERMAL PROTECTORS FOR MOTORS.
Canadian Standards are specified by Canadian Standards Association (C.S.A.)
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