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P&B Circuit Breakers Datasheets

P&B circuit breakers include both thermal and magnetic types in ratings from milliamps to 50 amps. The information below may help users to quickly differentiate these two types of P&B circuit protectors:

Thermal circuit breakers
  • Typically less expensive.
  • Trip point varies with the ambient temperature.
  • One- and two-pole models only.
Magnetic circuit breakers
  • Typically more expensive.
  • Temperature stable over a wide range.
  • Available with different time delays before tripping.
  • One- through four-pole models.

Select an appropriate circuit breaker for your application.

ProductSeries
Thermal Circuit Breakers
Rocker Actuator W33
Push/Pull Actuator W23
Toggle Actuator W31
Compact, Rocker Actuator W51
Low-cost, Push to Reset W54
Compact, Push to Reset W57
Push to Reset Fuseholder-Type W28
Push to Reset Only W58
Circuit Breakers
Magnetic Hydraulic W6/W9