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 10A 250VAC 50VDCW33-S4B1Q-10CIR BRKR THRM 10A 250VAC 50VDC10A101 - Immediate$527.31View Details
CIR BRKR THRM 10A 250VAC 50VDCW33-T2N1Q-10CIR BRKR THRM 10A 250VAC 50VDC10A1070 - Immediate$620.59View 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 50VDC30A1126 - Immediate$346.18View Details
CIR BRKR THRM 5A 240VAC 50VDCW23-X1A1G-5CIR BRKR THRM 5A 240VAC 50VDC5A339 - Immediate$346.18View 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 50VDC15A266 - Immediate$422.13View Details
CIR BRKR THRM 20A 240VAC 50VDCW31-X2M1G-20CIR BRKR THRM 20A 240VAC 50VDC20A191 - Immediate$422.13View Details

Compact, Push to Reset - W57 Series

ImageManufacturer Part NumberDescriptionCurrent Rating (Amps)Available QuantityPriceView Details
CIR BRKR THRM 5A 250VACW57-XB7A4A10-5CIR BRKR THRM 5A 250VAC5A1478 - Immediate$35.47View Details
CIR BRKR THRM 20A 250VACW57-XB7A4A10-20CIR BRKR THRM 20A 250VAC20A6022 - Immediate$40.97View Details

Push to Reset Fuseholder-Type - W28 Series

ImageManufacturer Part NumberDescriptionCurrent Rating (Amps)Available QuantityPriceView Details
CIR BRKR THRM 15A 250VAC 32VDCW28-XT1A-15CIR BRKR THRM 15A 250VAC 32VDC15A2028 - Immediate$40.89View Details
CIR BRKR THRM 3A 250VAC 32VDCW28-XQ1A-3CIR BRKR THRM 3A 250VAC 32VDC3A36102 - Immediate$48.12View Details

Heavy Duty #10-32 Stud Connections - W9 Series

ImageManufacturer Part NumberDescriptionCurrent Rating (Amps)Available QuantityPriceView Details
CIR BRKR MAG-HYDR 20A 277VACW91-X112-20CIR BRKR MAG-HYDR 20A 277VAC20A83 - Immediate$726.59View Details
CIR BRKR MAG-HYDR 20A 277VACW92-X112-20CIR BRKR MAG-HYDR 20A 277VAC20A78 - Immediate$1,766.10View Details

Quick-Connect or Screw Terminals - W6 Series

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
CIR BRKR MAG-HYDR 15A 277VACW68-X2Q12-15CIR BRKR MAG-HYDR 15A 277VAC37 - Immediate$982.04View Details
CIR BRKR MAG-HYDR 20A 277VACW67-X2Q12-20CIR BRKR MAG-HYDR 20A 277VAC292 - Immediate$988.93View Details
Published: 2013-08-13