Eaton WMZT1C05 5A 1-Pole 480 V Circuit Breaker

The Eaton WMZT1C05 is a compact, reliable circuit breaker engineered for 480 V environments. With a precise 5 A rating and a single-pole design, this unit delivers focused overcurrent protection for individual branches within your electrical panel, helping to prevent damage and downtime from faults on a single hot leg.

• Current rating: 5 A
• Poles: 1
• Voltage rating: 480 V
• Part number: WMZT1C05
• Brand: Eaton

Why a 1-Pole 480 V breaker matters

In high-voltage systems, protecting a single circuit at 480 V with a dedicated 1-pole breaker helps contain faults quickly, minimizing arcing risks and limiting damage to wiring and connected equipment. The WMZT1C05 is designed to respond to overcurrent conditions on a single branch, providing dependable protection for loads that run off a 480 V supply.

Ideal use cases

• Protect small 480 V branch circuits in industrial control panels and commercial electrical rooms
• Guard individual loads or control lines that operate at 480 V within Eaton-compatible panels
• Serve as a precise, single-point protective device when upgrading legacy 1-pole protection in 480 V distributions

Installation and compatibility tips

Choose the WMZT1C05 for Eaton panel systems configured for 1-pole, 480 V protection. Ensure the breaker is installed in a compatible enclosure and that the circuit load does not exceed the 5 A rating. Follow standard electrical safety practices and torque specifications per your panel’s guidelines to maintain secure terminations and reliable operation.

Best practices for longevity and reliability

• Use the WMZT1C05 strictly within its 5 A rating to prevent nuisance trips and premature wear
• Periodically verify connections for tightness and signs of heat or discoloration
• Match the breaker type to the panel’s listed compatibility to ensure predictable trip behavior
• Document its placement and rating in your electrical diagrams for future maintenance

Engineered by Eaton, the WMZT1C05 5 A 1-Pole 480 V circuit breaker is a focused solution for protecting single-branch loads in high-voltage systems, delivering dependable interruption when faults occur while helping you maintain safer, more reliable electrical infrastructure.