NFJ435070 | Circuit Breaker | 70A | 3-Pole | 480V | Bolt-On

Industrial-grade NFJ435070 circuit breaker delivers dependable protection for high-demand electrical circuits in 480V systems. This 3-pole, 70A unit uses bolt-on mounting for a secure, vibration-resistant installation, making it ideal for maintenance, retrofit, and replacement projects where exact specs matter.

• Amperage: 70A
• Poles: 3-Pole
• Voltage: 480V
• Mounting: Bolt-On

The part number NFJ435070 is your best reference for compatibility. This unit is engineered to drop into compatible industrial panels without the need for major rework, helping you minimize downtime during upgrades or repairs. With a robust bolt-on design, it delivers a solid mechanical connection that stands up to the vibration and demands of busy facilities.

Why this specific breaker matters — when your system runs at 480V and requires a 70A protection level across three poles, matching the exact part number ensures electrical characteristics, interrupting capacity, and mounting alignment align with your existing panel hardware. This reduces the risk of misfit components and ensures safer, more predictable performance in day-to-day operations.

Ideal use cases

• Retrofit projects where existing breakers must be replaced with an exact specification to fit the panel footprint and bus connections.
• Maintenance inventories for manufacturing lines and process equipment powered by 480V feeders.
• Emergency spare parts for critical 3-pole, high-amp circuits to minimize downtime during service windows.

Installation and compatibility tips

• Always confirm fit and ratings before ordering— use the NFJ435070 part number as the primary compatibility reference to ensure seamless replacement.
• Power down the equipment and verify absence of voltage before handling the breaker.
• Follow manufacturer torque specifications for bolt-on terminals to ensure a secure, conductive connection.
• Inspect bus bar alignment and panel internal clearances to prevent binding or arcing under fault conditions.
• Keep a spare NFJ435070 on hand for proactive maintenance, reducing downtime during routine service or upgrades.

Designed for reliability in industrial environments, this 3-pole, 70A breaker handles demanding 480V circuits with a straightforward bolt-on installation. Its exact-spec compatibility makes it a strategic choice for upgrading older panels, completing retrofits, or stocking a reliable replacement that keeps critical operations running smoothly.