ABB / General Electric THQP250 Miniature Circuit Breaker

No. While both are 50A 2-pole breakers, they have different physical dimensions and mounting styles. The THQP250 is a half-inch per pole breaker (1 inch total width) and only fits in panels specifically designed for THQP breakers. The THQL2150 is a standard 1-inch per pole breaker (2 inches total width).

The THQP250 is designed for use in GE Q-Line and PowerMark Gold load centers that are specifically configured to accept half-inch THQP breakers. Always verify your panel label to ensure THQP breakers are listed as an approved type for your specific slot locations.

The THQP250 is a compact breaker that requires 1 inch of total panel space. It uses a half-inch per pole design, allowing for greater circuit density compared to standard 1-inch per pole breakers.

Yes, the THQP250 is HACR rated, meaning it is approved for use with heating, air conditioning, and refrigeration equipment that requires a 50A circuit.

No. You should only install the THQP250 in approved GE or ABB panels. Using other brands of half-inch or tandem breakers, even if they physically fit, violates the UL listing of the panel and can create a safety hazard.

Yes, THQP breakers mount differently than standard THQL breakers. They attach to the busbar using a specialized stab connection designed exclusively for the half-inch breaker slots in compatible GE load centers.