As a thermal protection relay made by bi-metal, overload of the motor.
Protects against burns caused by bonding.
1a1b high contact reliability. Adopts independent auxiliary contacts, a and b contact points different voltages.
Can be used.
Reset method can be switched manually, and automatically.
As a thermal protection relay made by bi-metal, overload of the motor.
Protects against burns caused by bonding.
Easy to check the operation
Constant current value is easy to set