TE P&B Circuit Breaker W33-S4B1Q-5

The TE Connectivity Potter & Brumfield W33-S4B1Q-5 is an illuminated, two-pole thermal circuit breaker with a rocker actuator. It combines switching and circuit-protection functions: Pole 1 is switch-only, while Pole 2 incorporates series-trip overload sensing.

The unit features an amber illuminated rocker and is specified with a 5 A current rating. Its snap-in panel-mount design and straight quick-connect terminals support panel installation where the correct cut-out, panel thickness and electrical configuration have been verified.

• Manufacturer part number: W33-S4B1Q-5
• TE Connectivity internal number: 2-1393248-8
• Thermal circuit breaker, 2-pole configuration
• Pole 1: switch only; Pole 2: series-trip overload sensor
• Current rating: 5 A
• Operating voltage: 250 VAC / 50 VDC
• Amber illuminated rocker actuator
• Illumination type: 120 VAC neon with resistor
• Snap-in panel mount
• Panel cut-out: 22.22 × 44.45 mm
• Recommended panel thickness: 0.81–6.35 mm
• Terminal configuration: 6.35 mm straight quick-connect tabs

Please confirm the full electrical, mounting and installation requirements against the manufacturer documentation before use.

Manufacturer product information and W33 Series documentation