Description
The MA-350A Ruptair Power Circuit Breaker was originally manufactured by Allis Chalmers. The featured MA-350A was manufactured in October 1960 by Allis Chalmers Boston Works in Boston, MA and fully reconditioned by Circuit Breaker Sales in 2025. The MA-350A was designed to be inserted in both indoor and outdoor type D switchgear.
CBS offers spare MA-350A circuit breakers wired to match your existing wiring, a full line of breaker and switchgear spare parts, new vacuum replacement circuit breakers, and remote racking solutions. We supply solutions from stock and reconditioning services for your existing MA-350A 1200 A circuit breakers.
