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 50VDC10A100 - Immediate$5,684.75View Details
CIR BRKR THRM 10A 250VAC 50VDCW33-T2N1Q-10CIR BRKR THRM 10A 250VAC 50VDC10A1070 - Immediate$6,690.34View 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 50VDC30A1103 - Immediate$3,732.00View Details
CIR BRKR THRM 7.5A 240VAC 50VDCW23-X1A1G-7.50CIR BRKR THRM 7.5A 240VAC 50VDC7.5A257 - Immediate$3,732.00View Details

Toggle Actuator - W31 Series

ImageManufacturer Part NumberDescriptionCurrent Rating (Amps)Available QuantityPriceView Details
CIR BRKR THRM 30A 240VAC 50VDCW31-X2M1G-30CIR BRKR THRM 30A 240VAC 50VDC30A248 - Immediate$4,550.81View Details
CIR BRKR THRM 15A 240VAC 50VDCW31-X2M1G-15CIR BRKR THRM 15A 240VAC 50VDC15A231 - Immediate$4,550.81View Details

Compact, Push to Reset - W57 Series

ImageManufacturer Part NumberDescriptionCurrent Rating (Amps)Available QuantityPriceView Details
CIR BRKR THRM 10A 250VACW57-XB7A4A10-10CIR BRKR THRM 10A 250VAC10A736 - Immediate$404.54View Details
CIR BRKR THRM 20A 250VACW57-XB7A4A10-20CIR BRKR THRM 20A 250VAC20A4915 - Immediate$441.71View Details

Push to Reset Fuseholder-Type - W28 Series

ImageManufacturer Part NumberDescriptionCurrent Rating (Amps)Available QuantityPriceView Details
CIR BRKR THRM 3A 250VAC 32VDCW28-XQ1A-3CIR BRKR THRM 3A 250VAC 32VDC3A35875 - Immediate$518.73View Details
CIR BRKR THRM 4A 250VAC 32VDCW28-XQ1A-4CIR BRKR THRM 4A 250VAC 32VDC4A3729 - Immediate$518.73View 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$7,833.13View Details
CIR BRKR MAG-HYDR 15A 277VACW92-X112-15CIR BRKR MAG-HYDR 15A 277VAC15A131 - Immediate$19,039.77View Details

Quick-Connect or Screw Terminals - W6 Series

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
CIR BRKR MAG-HYDR 10A 277VACW68-X2Q12-10CIR BRKR MAG-HYDR 10A 277VAC69 - Immediate$12,496.37View Details
CIR BRKR MAG-HYDR 30A 277VACW68-X2Q12-30CIR BRKR MAG-HYDR 30A 277VAC66 - Immediate$21,526.29View Details
Published: 2013-08-13