NAS Circuit Breakers 800-909-3660 sales@naswgr.com

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MA-250, FC-500 and FB-500 Arc Barriers

Arc barriers for Allis Chalmers MA-250 and FC-500 circuit breakers in stock at our Cleveland, OH facility – ship same day.  PN: 71-112-971-001.  These ceramic arc barriers mount above the stationary contact assembly and are frequently cracked on Allis Chalmers...

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Old & New!

Old and New!  Where else can you see a 1991 vintage circuit breaker next to a 1940’s vintage circuit breaker breaker?  Shown in photos are a 1991 Westinghouse 150VCP-W500 sitting on our shelves next to a couple of 1940’s Air Blast...

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Old & New!

Old and New!  Where else can you see a 1991 vintage circuit breaker next to a 1940’s vintage circuit breaker breaker?  Shown in photos are a 1991 Westinghouse 150VCP-W500 sitting on our shelves next to a couple of 1940’s Air Blast...

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GE Magne-Blast Arcing Contacts

General Electric Magne-Blast arcing contacts, reconditioned & ready to ship.  These are moving and stationary arcing contacts for General Electric Magne-Blast type AM4.16-250 circuit breaker. Click here to view our General Electric Magne-Blast type AM4.16-250 circuit breaker. Call : 800-909-3660   Email:...

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GE Magne-Blast Arcing Contacts

General Electric Magne-Blast arcing contacts, reconditioned & ready to ship.  These are moving and stationary arcing contacts for General Electric Magne-Blast type AM4.16-250 circuit breaker. Click here to view our General Electric Magne-Blast type AM4.16-250 circuit breaker. Call : 800-909-3660   Email:...

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Siemens Allis FC-500B Circuit Breaker Testing

Siemens Allis type FC-500B circuit breaker in the shop for testing.  Arc chutes are removed to inspect the contacts.  This is a 15kV, 1200A breaker with SE-515 stored energy mechanism.  Click to view the Siemens Allis FC-500B data sheet. Call...

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Siemens Allis FC-500B Circuit Breaker Testing

Siemens Allis type FC-500B circuit breaker in the shop for testing.  Arc chutes are removed to inspect the contacts.  This is a 15kV, 1200A breaker with SE-515 stored energy mechanism.  Click to view the Siemens Allis FC-500B data sheet. Call...

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