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3-5POLE NEMA SIZE 2 REPLACEMENT
Melting Alloy Overload Relay
Provides thermal overload protection based on selection and thermal trip curve
Available in standard Class 20, as well as Class 10 and Class 30 trip classes (depending on size)
Requires deliberate manual operation after they trip to reset the device
Also establishes a cool down period so that the motor cannot be restarted until a proper cool down time has been achieved.
Includes normally closed trip contact
Added accessory provides additional contact (either N.O. or N.C.) for signaling
Available in 2 or 3 pole designs for use with single phase or 3-phase applications
Thermal unit selection tables available for all applications
Exclusive one piece, tamper-proof thermal unit