Industrial AT31050 50A 3-Pole 250 V Circuit Breaker

Meet the Industrial AT31050 50A 3-Pole 250 V Circuit Breaker—built for dependable, three‑phase protection in demanding industrial environments. With a 50 A current rating and a three‑pole configuration, it delivers reliable, coordinated isolation across all live lines to safeguard motors, drives, conveyors, and control panels.

Key specifications at a glance

• Current rating: 50 A
• Poles: 3 (three‑pole configuration for balanced three‑phase protection)
• Voltage rating: 250 V
• Part Number: AT31050

Why you need it

Industrial equipment thrives on continuous protection. The AT31050 proactively interrupts fault currents, preventing overheating, wiring damage, and unplanned downtime. Its three‑pole design ensures simultaneous disconnection of all phases, helping maintain system integrity and worker safety during faults or maintenance.

Ideal applications

Use this circuit breaker in three‑phase power distribution for manufacturing lines, machine control panels, automated systems, and industrial distribution boards. It’s a practical choice whenever you require robust, reliable overcurrent protection for up to 50 A per leg at 250 V.

What makes the AT31050 stand out

• Dedicated three‑pole protection provides synchronized shutdown across all phases
• Compact, panel‑friendly form factor that integrates smoothly into standard industrial enclosures
• Clear, traceable part identification (AT31050) for maintenance planning and quick replacements

Practical installation and usage tips

• Ensure your panel and wiring are rated for 250 V and three‑phase operation before installation
• Follow your facility’s electrical guidelines for proper wiring terminations and safe handling
• Keep a spare AT31050 on hand to minimize downtime during routine maintenance or replacements