NB140 | Circuit Breaker | 30A | 2-Pole | 240V

The NB140 is an industrial-grade circuit breaker designed to protect 240V electrical systems with a precise 30A rating in a robust 2-pole configuration. Ideal for maintenance, retrofit, and replacement projects where exact specifications matter, this breaker reliably interrupts fault currents to keep equipment and personnel safe.

• Amperage: 30A
• Poles: 2-Pole
• Voltage: 240V

Compatibility is centered on the part number. NB140 is the best reference to match your panel and lineup. Before ordering, please confirm the fit and ratings for your specific installation to ensure seamless replacement or retrofit.

Who benefits from the NB140?

• Electrical maintenance teams working on industrial panels that operate at 240V
• Contractors performing panel retrofits or equipment upgrades in commercial or industrial settings
• Facilities engineers replacing aging breakers with a precise, factory-specified 30A, 2-pole 240V device

Use cases to consider:

• Replacing a worn-out 2-pole 240V breaker in an existing panel where the NB140’s specifications match your system
• Upgrading a legacy circuit to a current 30A protection device during panel retrofit projects
• Stocking a reliable, drop-in replacement for service vans and maintenance crews to minimize downtime

Practical guidance for a smooth installation:

• Verify that your panel accepts 2-pole, 240V breakers and that the NB140’s amperage aligns with the circuit load
• Cross-check the panel’s label or documentation to confirm compatibility with the NB140 part number
• Ensure proper lockout/tagout procedures and that a qualified electrician handles installation

Bottom line: if your project requires a precise 30A, 2-Pole, 240V industrial circuit breaker, the NB140 offers a dependable, spec-accurate solution designed for maintenance, retrofit, and replacement scenarios. Use the NB140 part number as your compatibility reference to secure an exact fit and reliable protection for your 240V circuits.