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 250V 50VW33-S4B1Q-20CIR BRKR THRM 20A 250V 50V20A218 - Immediate$74.49View Details
CIR BRKR THRM 10A 250V 50VW33-T4B1Q-10CIR BRKR THRM 10A 250V 50V10A83 - Immediate$97.27View Details

Push-Pull Actuator - W23 Series

ImageManufacturer Part NumberDescriptionCurrent Rating (Amps)Available QuantityPriceView Details
CIR BRKR THRM 30A 240V 50VW23-X1A1G-30CIR BRKR THRM 30A 240V 50V30A801 - Immediate$33.91View Details
CIR BRKR THRM 10A 240V 50VW23-X1A1G-10CIR BRKR THRM 10A 240V 50V10A449 - Immediate$35.62View Details

Toggle Actuator - W31 Series

ImageManufacturer Part NumberDescriptionCurrent Rating (Amps)Available QuantityPriceView Details
CIR BRKR THRM 5A 240V 50VW31-X2M1G-5CIR BRKR THRM 5A 240V 50V5A824 - Immediate$40.84View Details
CIR BRKR THRM 15A 240V 50VW31-X2M1G-15CIR BRKR THRM 15A 240V 50V15A305 - Immediate$40.94View Details

Compact, Push to Reset - W57 Series

ImageManufacturer Part NumberDescriptionCurrent Rating (Amps)Available QuantityPriceView Details
CIR BRKR THRM 10A 250VW57-XB7A4A10-10CIR BRKR THRM 10A 250V10A1931 - Immediate$4.54View Details
CIR BRKR THRM 5A 250VW57-XB1A4A10-5CIR BRKR THRM 5A 250V5A0 - Immediate
599 - Marketplace
$2.54View Details

Push to Reset Fuseholder-Type - W28 Series

ImageManufacturer Part NumberDescriptionCurrent Rating (Amps)Available QuantityPriceView Details
CIR BRKR THRM 4A 250V 32VW28-XQ1A-4CIR BRKR THRM 4A 250V 32V4A4593 - Immediate$4.29View Details
CIR BRKR THRM 7A 250V 32VW28-XQ1A-7CIR BRKR THRM 7A 250V 32V7A6537 - Immediate$4.42View Details

Heavy Duty #10-32 Stud Connections - W9 Series

ImageManufacturer Part NumberDescriptionCurrent Rating (Amps)Available QuantityPriceView Details
CIR BRKR MAG (HYD DLY) 20A 277VW91-X112-20CIR BRKR MAG (HYD DLY) 20A 277V20A158 - Immediate$71.74View Details
CIR BRKR MAG (HYD DLY) 50A 277VW93-X112-50CIR BRKR MAG (HYD DLY) 50A 277V50A31 - Immediate$262.83View Details

Quick-Connect or Screw Terminals - W6 Series

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
CIR BRKR MAG (HYD DLY) 20A 277VW67-X2Q12-20CIR BRKR MAG (HYD DLY) 20A 277V38 - Immediate$85.78View Details
CIR BRKR MAG (HYD DLY) 10A 277VW67-X2Q12-10CIR BRKR MAG (HYD DLY) 10A 277V111 - Immediate$78.77View Details
Published: 2013-08-13