Insulated Case Circuit Breakers

Insulated Case Circuit BreakersWe are insulated case circuit breaker experts... we've worked with them for decades, and we're familiar with virtually every manufacturer, style and type. With our extensive knowledge and experience, we can assist you in determining whether it's best to repair, replace, upgrade or retrofit your insulated case circuit breaker.

Not only do we have an extensive inventory available for replacing your insulated case breaker, we have skilled technicians with extensive experience in repairing and upgrading them or retrofitting an older generation model with a newer one. We can also assist you in determining when it makes sense to replace an air breaker by retrofitting it with an insulated case breaker.

Due to consolidation in the electrical industry, some insulated case circuit breakers have been sold under more than one brand name. Among the insulated case circuit breakers that we stock and service are:

  • General Electric insulated case circuit breakers:
    Power Break, Power Break II. SHB, SHD, SHF, SSB, SSD, SSF, TC, TCL, TCMM, THC, THCMM, THP, THPMM, THPVF, THPVV, THPYY, THS, THSS, TP, TPMM, TPR, TPRR, TPS, TPSS, TPVF, TPVG, TPVVF, TPY, TPYY, TUPMM
  • Cutler-Hammer / Westinghouse / Eaton insulated case circuit breakers:
    SPB, Magnum DS, Magnum SB, Type CRD, CRDC, MDN-C20, PA, PAF, PB, PBF, PC, PCA, PCC, PCCF, PCCFG, PCCFGA, PCCGA, PCF, PCFA, PCFG, PCFGA, PCGA, RD, RDC, RGC, RGH, RGK
  • Siemens / Allis Chalmers / ITE insulated case circuit breakers:
    SB, SBA, SHHTD, STD, STDUV
  • ABB / BBC / Gould / ITE insulated case circuit breakers:
    Emax, Isomax, SACE E3S, E3V, E6V, S8V, T8V
  • Square D / Schneider Electric insulated case circuit breakers:
    SE, SED, SEF, SEHD, SEHF, MP Masterpact, Masterpact NW. Micrologic
  • Merlin Gerin insulated case circuit breakers:
    CM / CM1250H, Type MP
  • Federal Pacific Electric / FPE insulated case circuit breakers:
    NP series

Replacement parts are our specialty; and we have tens-of-thousands in-stock. We can react quickly to your emergency requirements and assist you in keeping your facility online.