NB230 | Circuit Breaker | 30A | 2-Pole | 240V | Bolt-On

Introducing the NB230 — a rugged 30A, 2-pole 240V bolt-on industrial circuit breaker built for dependable protection in maintenance, retrofit, and replacement projects. Designed to precisely match your existing panel specifications, the NB230 delivers secure installation and reliable trip performance when it matters most.

• Amperage: 30A
• Poles: 2-Pole
• Voltage: 240V
• Mounting: Bolt-On
• Reference: Part number NB230

The 2-pole configuration protects both live legs of a 240V circuit, providing balanced interruption and enhanced safety in motor controls, heating elements, and other high-demand applications. The bolt-on design ensures a secure, vibration-resistant connection in rugged industrial environments where plug-in breakers aren’t suitable or when retrofitting existing panels.

Ideal use cases

• Maintenance and service replacements for aging panels that require exact NB230 specifications
• Retrofit projects where a sturdy bolt-on breaker is needed to preserve panel integrity
• New or rebuilt control panels demanding a reliable 30A, 240V, 2-pole protective device
• Motor control circuits and heavy-load branch circuits that benefit from solid, dual-line interruption

Fit and compatibility guidance: Always verify fit and ratings before ordering. The NB230 part number is the best reference to ensure compatibility with your enclosure and bus arrangement. Confirm that your system requires 30A, 240V, 2-pole, bolt-on protection to avoid mismatches.

installation tips

• Power down the equipment and lock out electrical sources before beginning
• Remove the existing breaker and prepare the panel for a bolt-on connection
• Align with the panel’s bus terminals and secure using the manufacturer’s torque specifications
• Test after installation to confirm proper tripping and restoration of power

With the NB230, you gain a proven, compatibility-focused solution for protecting valuable equipment and ensuring safe operation in industrial environments. If your panel or retrofit plan calls for a 30A, 240V, 2-pole bolt-on breaker, this part-numbered NB230 delivers a precise, dependable match for your protection needs.