Circuit Breakers

TE Connectivity's thermal and hydraulic magnetic circuit breakers

Image of TE Connectivity's Circuit BreakersTE Connectivity's thermal circuit breakers are available with rocker, push-pull, toggle, and push-to-reset actuators. These circuit breakers combine on/off switching with circuit protection in a single unit. They also offer a low-cost alternative to magnetic circuit breakers.

Magnetic Circuit breakers offer ratings from 20 mA to 50 A. Magnetic models are 1-pole to 4-pole devices. All series meet UL 1077 requirements, and several types meet ignition protection according to UL 1500.

Circuit Breakers PTM

Thermal Circuit Breakers
  • Typically less expensive
  • Trip point varies with the ambient temperature
  • One- through four-pole models
Magnetic Circuit Breakers
  • Typically more expensive
  • Temperature stable over a wide range
  • One- and two-pole models only

Rocker Actuator - W33 Series

ImageManufacturer Part NumberDescriptionCurrent Rating (Amps)Available QuantityPriceView Details
CIR BRKR THRM 20A 250VAC 50VDCW33-S4B1Q-20CIR BRKR THRM 20A 250VAC 50VDC20A251 - Immediate$403.93View Details
CIR BRKR THRM 5A 250VAC 50VDCW33-S1N1Q-5CIR BRKR THRM 5A 250VAC 50VDC5A205 - Immediate$425.68View Details

Push-Pull Actuator - W23 Series

ImageManufacturer Part NumberDescriptionCurrent Rating (Amps)Available QuantityPriceView Details
CIR BRKR THRM 30A 240VAC 50VDCW23-X1A1G-30CIR BRKR THRM 30A 240VAC 50VDC30A996 - Immediate$161.70View Details
CIR BRKR THRM 10A 240VAC 50VDCW23-X1A1G-10CIR BRKR THRM 10A 240VAC 50VDC10A345 - Immediate$161.70View Details

Toggle Actuator - W31 Series

ImageManufacturer Part NumberDescriptionCurrent Rating (Amps)Available QuantityPriceView Details
CIR BRKR THRM 15A 240VAC 50VDCW31-X2M1G-15CIR BRKR THRM 15A 240VAC 50VDC15A181 - Immediate$197.18View Details
CIR BRKR THRM 5A 240VAC 50VDCW31-X2M1G-5CIR BRKR THRM 5A 240VAC 50VDC5A122 - Immediate$197.18View Details

Compact, Push to Reset - W57 Series

ImageManufacturer Part NumberDescriptionCurrent Rating (Amps)Available QuantityPriceView Details
CIR BRKR THRM 20A 250VACW57-XB7A4A10-20CIR BRKR THRM 20A 250VAC20A4184 - Immediate$17.28View Details
CIR BRKR THRM 20A 250VACW57-XB1A7A10-20CIR BRKR THRM 20A 250VAC20A700 - Immediate$19.85View Details

Push to Reset Fuseholder-Type - W28 Series

ImageManufacturer Part NumberDescriptionCurrent Rating (Amps)Available QuantityPriceView Details
CIR BRKR THRM 5A 250VAC 32VDCW28-XQ1A-5CIR BRKR THRM 5A 250VAC 32VDC5A2020 - Immediate$20.58View Details
CIR BRKR THRM 15A 250VAC 32VDCW28-XQ1A-15CIR BRKR THRM 15A 250VAC 32VDC15A5399 - Immediate$21.31View Details

Heavy Duty #10-32 Stud Connections - W9 Series

ImageManufacturer Part NumberDescriptionCurrent Rating (Amps)Available QuantityPriceView Details
CIR BRKR MAG-HYDR 5A 277VACW91-X112-5CIR BRKR MAG-HYDR 5A 277VAC5A46 - Immediate$336.43View Details
CIR BRKR MAG-HYDR 20A 277VACW91-X112-20CIR BRKR MAG-HYDR 20A 277VAC20A133 - Immediate$339.36View Details

Quick-Connect or Screw Terminals - W6 Series

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
CIR BRKR MAG-HYDR 20A 277VACW67-X2Q12-20CIR BRKR MAG-HYDR 20A 277VAC107 - Immediate$461.89View Details
CIR BRKR MAG-HYDR 5A 277VACW67-X2Q12-5CIR BRKR MAG-HYDR 5A 277VAC119 - Immediate$348.28View Details
Published: 2013-08-13