Westinghouse 6LC400 400A 3P 600V Circuit Breaker, Bolt-On | AmpState

Engineered for durable circuit protection in electrical distribution, the Westinghouse 6LC400 400A 3P 600V Bolt-On Circuit Breaker is a trusted choice for panelboards, load centers, and modern installations. When a direct part-number match matters, this 6LC400 model delivers plug-and-play reliability from a name you can trust.

Specifications at a glance

• Amperage: 400 A
• Poles: 3
• Voltage: 600 V
• Mounting: Bolt-On
• Manufacturer/Part: Westinghouse / 6LC400
• Product Type: Circuit Breaker

What makes the 6LC400 stand out

• Direct part-number match ensures compatibility with existing Westinghouse panelboards and legacy installations, reducing downtime and misfits.
• Easy replacement with bolt-on mounting that enables a secure, straightforward installation without special adapters.
• Three-pole protection supports balanced 3-phase systems, delivering reliable fault isolation and system resilience.
• 600V rating suited for commercial and industrial distribution, offering robust interrupt performance under load.

Ideal use cases

• Maintenance teams stocking spare inventory for Westinghouse panelboards and distribution gear.
• Panel builders specifying a known, compatible 6LC400 device for 3-phase assemblies.
• Retrofits and replacements in facilities with older Westinghouse configurations, where exact part matching matters for safety and performance.

Need help matching a part number or confirming compatibility? AmpState can assist in verifying fit against your catalog, wiring diagrams, or panel labeling. Message us and we’ll help ensure you have the right bolt-on circuit breaker for your system.

Secure protection for your electrical distribution with the Westinghouse 6LC400—a bolt-on, 400A, 3-pole, 600V circuit breaker designed to keep panels online and operations steady.