NB3P40 | Circuit Breaker | 40A | 3-Pole | 240V | Bolt-On

Introducing the NB3P40—an industrial circuit breaker built for exacting 240V, 3-pole protection in demanding electrical panels. With a precise 40A rating and bolt-on mounting, this unit is designed for maintenance, retrofit, and replacement projects where matching specifications is non-negotiable.

Key specifications

• Amperage: 40A
• Poles: 3-Pole
• Voltage: 240V
• Mounting: Bolt-On
• Reference: Part NB3P40

Why choose NB3P40

• Precisely matched for 40A, 3-pole, 240V circuits, ensuring reliable protection in your control panels and distribution boards.
• Ideal for retrofit, maintenance, and replacement scenarios where exact spec compliance is essential for safety and performance.
• Bolt-on mounting simplifies installation within compatible panel enclosures, helping to minimize downtime during service or upgrades.
• Keep NB3P40 as your go-to reference for compatibility—the part number is the clearest guide to an exact, like-for-like replacement.

Compatibility and use cases

Before ordering, verify that your equipment requires a 3-pole, 240V, 40A bolt-on breaker. The NB3P40 is the best reference for ensuring a correct fit in panels designed for bolt-on breakers and for projects that demand replication of existing protection schemes.

Ideal scenarios

• Routine maintenance on industrial control panels that specify a 40A, 3-pole, 240V protection device.
• Retrofits where replacing an older breaker with an exact NB3P40 match preserves circuit wiring, labeling, and protection profiles.
• Replacement after component limitations or failure in 240V distribution circuits within manufacturing environments.

For best results, confirm fit and ratings against your panel documentation and rely on the NB3P40 part number as the definitive compatibility reference. This approach ensures seamless integration, consistent protection, and dependable operation in your industrial electrical system.