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W31 Series Thermal Circuit Breaker | 25 Amp (Toggle)

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$55.40

TE Connectivity / P&B W31 toggle thermal circuit breaker, 25 A. Trip-free design. Rated 50 VDC or 250 VAC (to 400 Hz).

In stock

Part Number: 3-1393247-6 Category: Brand:

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The Tyco Electronics (P&B) W31 series is a single-pole, toggle thermal circuit breaker rated for 25 amps, engineered for reliable protection in AC or DC systems. It combines on/off switching with precise thermal overload protection and a trip-free mechanism that prevents reset against fault conditions.

Key Features

  • Toggle actuator with a visible trip indicator for quick fault identification
  • Trip-free operation; cannot be reset into a fault
  • Resettable overload capacity up to 10Ɨ rated current
  • #8-32 screw terminals and a 3/8-24 threaded mounting bushing (G hardware: two hex nuts + lockwasher)
  • Rated for 50 VDC or 250 VAC (to 400 Hz)
  • Interrupting capacity: Up to 2,000 A @ 50 VDC (≤25 A models)
  • UL 1077 recognized and CSA accepted as a supplementary protector

Electrical Performance (@ +25 °C)

  • Carries 100% of rated current; may trip 101–134%; must trip at 135% within 1 hour
  • Dielectric strength: >1,500 V RMS
  • Endurance: >6,000 cycles at 100% load or 10,000 mechanical cycles

Typical Applications

Aircraft panels and avionics, ground support equipment, industrial control panels, and power distribution.

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TE Connectivity is a global leader in engineered electronic components, renowned in the aerospace industry for its Raychem-branded high-performance wire, cable, heat-shrink tubing, and interconnect solutions. With decades of innovation behind products like MIL-SPEC-rated wires (e.g., M22759) and advanced wire protection systems, TE Connectivity ensures reliability in the harshest flight conditions. Trusted by aircraft OEMs, MROs, and avionics installers worldwide, TE's aerospace solutions set the standard for safety, performance, and longevity.

Specification

Series

Type

Amperage

Terminals

#8-32 screw terminals

Mounting Bushing

3/8-24 threaded (G hardware)

Voltage Rating

50 VDC | 250 VAC (to 400 Hz)

Interrupt Rating

000 A @ 50 VDC (≤25 A models)

,

Up to 2

Approvals

UL 1077 Recognized; CSA Accepted

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