Westinghouse | HLM3800 | Circuit Breaker | 800A | 3-Pole | 600V | Plug-In

Meet the Westinghouse HLM3800 plug-in circuit breaker—a robust, high-capacity protection device designed for demanding electrical systems. With 800 A capacity, 3-Pole configuration, and 600V rating, this breaker is built to safeguard large feeders while simplifying maintenance, retrofit, and replacement tasks. The part number HLM3800 is your most reliable reference for ensuring a perfect fit and compatibility.

• Amperage: 800 A
• Poles: 3-Pole
• Voltage: 600 V
• Plug-In: Plug-in design for quick, field-friendly swaps

Why choose this Westinghouse HLM3800 breaker? Its plug-in form factor minimizes wiring changes and reduces downtime during service events, making it an ideal choice for maintenance, retrofits, and replacements in panel boards that require a precise, reliable compatibility reference. The 3-pole arrangement ensures simultaneous disconnection of all conductors in multi-phase circuits, helping maintain system safety and coordination across your protection scheme.

This breaker is particularly well-suited for facilities with heavy electrical loads, such as industrial equipment lines, large HVAC installations, or data-center infrastructure where uptime matters. If you’re upgrading an aging panel, replacing a failed unit, or stocking a spare to shorten service windows, the HLM3800 offers a dependable solution that aligns with Westinghouse equipment and common 600V distribution systems.

Use cases and scenarios

• Maintenance replacement in Westinghouse panels where the HLM3800 is the identified part reference
• Retrofit or upgrade projects requiring higher current protection without reconfiguring the bus or wiring layout
• Emergency or planned replacements to minimize downtime in critical electrical segments

Important compatibility notes

• Confirm fit and ratings before ordering to ensure seamless replacement
• The HLM3800 part number is the best reference for panel compatibility and bus arrangement
• Verify that your panel supports a 3-Pole, 600V plug-in breaker of this specification

Practical tips for installation and use: handle the unit with the power secured off, follow your panel manufacturer’s guidelines, and verify that the bus configuration matches the plug-in design. This approach helps you achieve a reliable, rapid swap that preserves protective coordination across phases while restoring system reliability.