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Low Voltage Roll-In Replacement Breakers

Low Voltage Roll-In Replacement Breakers

National Switchgear is a leading provider of aftermarket low and medium voltage roll-in direct replacement circuit breakers. Roll-in replacement breakers are interchangeable and can be inserted directly into existing switchgear, minimizing downtime in critical applications.

GTE Sylvania SSPB-800 roll in replacement circuit breakers
Manufacturer Low Voltage Models Medium Voltage Models
ABB/ITE KA, KB, KC, K-Line, LK, MB, MBE HV, HK, GHK
Federal Pacific DMB, FP, FPS DST, DST-2
General Electric AK, AKR AM, FH
GTE Sylvania SSPB ---
McGraw Edison --- PSD, WSA
Siemens/Allis-Chalmers LA, RL AM, FB, FC, MB, MC
Westinghouse/Cutler-Hammer DB, DS DH, DHP, VCP-W

  • Meets ANSI C37.20.1 standards
  • 635V low voltage power circuit breaker (air circuit breaker)
  • Minimum feeder outage (just like swapping a breaker)
  • Virtually maintenance free
  • Retrieve load current data remotely
  • Operate breaker remotely through communications
  • Complete phase insulation
  • Full inspection of arcing chamber / main contacts possible
  • Standard SD pocket feature / bluetooth communications
  • Interchangeable with existing breakers (typically no cell modifications)
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