Industrial NEF433070 70A 3-Pole 480 V Circuit Breaker

Industrial NEF433070 is a rugged 70 A, 3-pole circuit breaker engineered for demanding 480 V three-phase power distribution. Identified by Part Number NEF433070, this device is designed to deliver dependable protection for your essential equipment in manufacturing, processing, and automated environments.

Designed for reliable three-phase protection

The 3-pole configuration ensures simultaneous interruption on all phases, preserving system balance and preventing phase-to-phase faults in high-demand electrical networks. This makes it an ideal choice for protecting motors, feeders, and control circuits that operate at 480 V in industrial panels and distribution boards.

Key specifications

• Current rating: 70 A
• Poles: 3
• Voltage rating: 480 V
• Part number: NEF433070

Why NEF433070 suits your process

In environments where uptime matters, this circuit breaker provides clear protection for motor-driven equipment, conveyors, pumps, and processing lines that run on 480 V three-phase power. The single-device solution simplifies wiring and panel layout while delivering targeted protection exactly where it’s needed.

Use cases

• Protection for 3-phase motor circuits in manufacturing lines
• Primary protection for 480 V feeders feeding industrial equipment
• Panel and control cabinet protection in automated systems

Installation and maintenance insights

Verify compatibility with your control panel and conductor sizing for a 70 A rating. Ensure proper mounting and secure terminations for all three poles. Regularly inspect the trip mechanism and test accessibility to maintain balanced protection across the three phases.