ABB / General Electric THQL2160ST1 Miniature Circuit Breaker

The "ST1" suffix indicates the breaker is equipped with a factory-installed 120V shunt trip accessory. This allows the breaker to be tripped remotely via an external control signal, commonly used for emergency stops or automated shutdown systems.

This plug-in breaker is compatible with GE PowerMark Gold load centers and GE A-Series panelboards. Always verify your specific panel's label to ensure it accepts 1-inch per pole THQL frame breakers.

Not always. While THQL breakers are standard 1-inch wide per pole, THQP breakers are 1/2-inch wide per pole and require specialized bus stabs. You can only use a THQP alternative if your GE panel label explicitly lists THQP compatibility for the intended slot.

The 120V shunt trip features factory-installed pigtail wire leads. These leads must be wired to your external 120VAC control or emergency-stop circuit to enable remote tripping.

Yes, this breaker is HACR rated, meaning it is approved for use with heating, air conditioning, and refrigeration motor loads that require a 60A, 2-pole overcurrent protection device.

Yes, it features an internal common trip mechanism. If an overcurrent event or a shunt trip signal affects one pole, the internal trip bar ensures both poles open simultaneously to completely disconnect the 240V load.

The fixed thermal-magnetic trip unit provides two types of protection: a Long-Time (L) thermal delay to prevent nuisance tripping from temporary overloads, and an Instantaneous (I) magnetic response to quickly clear severe short circuits.