ReviewsCircuit Breaker Panels

UBIZ250-New Zinsco QC50 Replacement. Two Pole 50 Amp Thick Series Manufactured by Connecticut Electric.

Replacement Zinsco circuit breaker manufactured new by Connecticut Electric.
For use in Zinsco circuit breaker panels.
Intertek ETL Listing to UL Standard 489 for US and Canada-Molded case circuit breakers.
120/240 VAC 2 Pole breaker in a 1 1/2″ body.
May also be branded as Sylvania (ie Sylvania QC50).

Replacement Pushmatic circuit breaker manufactured new by Connecticut Electric.
For use in Pushmatic circuit breaker panels.
Intertek ETL Listing to UL Standard 489 for US and Canada-Molded case circuit breakers.
May also be branded as Bulldog (ie Bulldog P120).

Replacement Challenger MH115-L Type A circuit breaker manufactured new by Connecticut Electric.
For use in Challenger Type A circuit breaker panels.
Intertek ETL Listing to UL Standard 489-Molded case circuit breakers.
120 VAC 1 Pole breaker 1/2" thin type breaker.
May also be branded: Murray, Crouse-Hinds, or Sylvania.

Replacement Zinsco circuit breaker manufactured new by Connecticut Electric.
For use in Zinsco circuit breaker panels.
Intertek ETL Listing to UL Standard 489 for US and Canada-Molded case circuit breakers.
May also be branded as Sylvania (ie, Sylvania RC 3850).

Replacement Challenger MH240 Type A circuit breaker manufactured new by Connecticut Electric.
For use in Challenger Type A circuit breaker panels.
Intertek ETL Listing to UL Standard 489-Molded case circuit breakers.
120/240 VAC 2 Pole breaker 1" thin type breakers.
May also be branded: Murray, Crouse-Hinds, or Sylvania.

Replacement Zinsco circuit breaker manufactured new by Connecticut Electric.
For use in Zinsco circuit breaker panels.
Intertek ETL Listing to UL Standard 489 for US and Canada-Molded case circuit breakers.
120/240 VAC 2 Pole breaker in a 1 1/2" body.
May also be branded as Sylvania (ie Sylvania QC20).

Replacement Pushmatic circuit breaker manufactured new by Connecticut Electric.
For use in Pushmatic circuit breaker panels.
Intertek ETL Listing to UL Standard 489 for US and Canada-Molded case circuit breakers.

Replacement Federal Pacific Electric Stab-Lok circuit breaker manufactured new by Connecticut Electric.
For use in Stab-Lok circuit breaker panels.
Intertek ETL Listing to UL Standard 489 for US and Canada-Molded case circuit breakers.
120 VAC 1 Pole breaker in 1/2" thin body-NC Style.

Replacement Federal Pacific Electric Stab-Lok circuit breaker manufactured new by Connecticut Electric.
For use in Stab-Lok circuit breaker panels.
Intertek ETL Listing to UL Standard 489 for US and Canada-Molded case circuit breakers.
120/240 VAC 2 Pole breaker in 1″ thin body-NC Style.

This is a great circuit breaker used to protect a low-voltage DC electrical system from damage caused by excess current resulting from an overload or short circuit.
Fast trip to ensure reliable operation of the load and prolong the life of electrical circuit breakers. It can also work as on-off switch for DC load circuits.
DC breaker is more powerful than AC breaker to extinguish arcs. It means that our low-voltage breaker can be used at the same level voltage of DC and AC circuit system.
Modular structure, can be easily installed on the DIN standard guide rail in distribution box, bistable locking clip, the installation more convenient. Suitable for isolation in accordance with industrial standards: IEC EC60947-2/GB14048.2.
Widely used for solar panels grid system, wind and solar hybrid system and many other DC systems.

Replacement Challenger MH220 Type A circuit breaker manufactured new by Connecticut Electric.
For use in Challenger Type A circuit breaker panels.
Intertek ETL Listing to UL Standard 489-Molded case circuit breakers.
120/240 VAC 2 Pole breaker 1" thin type breakers.
May also be branded: Murray, Crouse-Hinds, or Sylvania.
Type UBITBA for use in Challenger/T&B load centers.