Westhinghouse MCP331000C - 100A, 3-Pole, Circuit Breaker

The Westhinghouse MCP331000C is a purpose-built safeguard for your three-phase power system. Delivering a solid 100A current rating in a 3-pole configuration, this circuit breaker provides dependable overcurrent protection where it matters most—across panelboards, switchboards, and control panels in demanding industrial, commercial, and OEM environments.

Why the MCP331000C stands out

• 100A rating tailored for medium to higher load circuits common in distribution panels and motor control centers.
• 3-Pole design protects all three phases simultaneously, reducing imbalance risks and simplifying panel layout in 3-phase systems.
• Versatile applicability built for panelboards, switchboards, and control panels, making it a reliable choice for both new installations and retrofits.
• Solid protection, straightforward operation delivers dependable overcurrent protection to keep equipment and personnel safe in industrial and commercial settings.

Ideal applications and use cases

Designed for environments where consistent, safe operation is non-negotiable, the MCP331000C is an excellent fit for:

• Industrial panelboards and motor control centers requiring robust three-phase protection
• Commercial electrical distributions where reliable circuit isolation is needed
• OEM equipment builds that demand a ready-to-install, 3-pole 100A circuit breaker

Installation and compatibility considerations

• Ensure your installation supports a 3-pole, 100A circuit breaker in the intended panel or switchboard configuration.
• Use in applications where synchronized protection across all three phases is beneficial, helping prevent phase imbalances and unwanted faults.
• Pair with compatible bus connections and mounting to maintain secure, dependable electrical distribution.

Practical benefits you’ll notice

With the Westhinghouse MCP331000C, you gain a reliable fail-safe that improves downtime resistance and protects critical loads—from motors to control circuits—without complicating your panel design. Its straightforward 3-pole protection aligns with standard 3-phase systems, making routine maintenance and future upgrades smoother and more predictable.