Murray MP330 30A 3P 240V Circuit Breaker, Plug-On | AmpState

The Murray MP330 is a reliable plug-on circuit protector designed for panelboards, load centers, and broad electrical distribution use. This 30A, 3-pole, 240V breaker is ideal for retrofit projects and maintenance planning where you need to preserve a consistent part number, keeping inventory and documentation straightforward.

• Specifications at a glance: Murray MP330, 30 A, 3 poles, 240V, plug-on mounting.
• Plug-on convenience: Easy, tool-free installation that snaps directly onto compatible bus stabs in your panel, speeding replacements and reducing downtime.
• Maintenance-friendly: Aligns with existing part numbers in your stock and service records, simplifying ordering and service planning for multiple panels.
• Protection you can trust: Provides dependable overcurrent protection to shut down circuits safely during overloads or faults, protecting wiring and connected equipment.

This MP330 is an excellent fit for professionals and facilities teams managing residential, commercial, or light industrial panels that rely on 240V systems. It delivers coordinated disconnection across all conductors in a three-pole arrangement, making it a practical choice for applications where reliability and consistency matter during upgrades or routine maintenance.

Why it stands out: The plug-on design reduces installation steps, while the three-pole configuration ensures simultaneous disconnection of all phases—crucial for safety and code compliance in multi-wire systems. Whether you’re upgrading an aging panel or stocking a spare for future service events, the MP330 keeps your workload moving smoothly without surprises.

Compatibility and support: If you’re uncertain about fit, AmpState offers guidance to confirm compatibility and match the MP330 with your existing panelboard. Reach out with your panel model and voltage specifications, and we’ll help verify a seamless match.

Available now from AmpState. Add the Murray MP330 30A 3P 240V Plug-On Circuit Breaker to your order and streamline your retrofit and maintenance workflow with a trusted, consistent component you can rely on.