Eaton 140D316G05 Circuit Breaker, 400A, 3-Pole, 600V

The Eaton 140D316G05 circuit breaker is built for demanding industrial environments where service, maintenance, and replacement tasks require dependable protection. Associated with the Westinghouse DSL series, this unit is ready to safeguard your three‑phase systems while delivering clear, actionable compatibility guidance through its precise part number.

• Amperage: 400 A
• Poles: 3
• Voltage: 600 V
• Series: Westinghouse DSL
• Part number: 140D316G05

Ideal for industrial electrical service, this breaker shines in panel modernization, equipment upgrades, and routine maintenance where reliable fault interruption is essential. Its 400 A rating provides robust protection for heavy loads, while the 3‑pole design supports balanced, three‑phase circuits common in industrial plants and manufacturing lines.

Why choose the Eaton 140D316G05 for your project?

• Durable, industrial‑grade protection: Designed to perform in demanding settings, helping to prevent equipment damage and unscheduled downtime.
• Clear compatibility guidance: Use the part number 140D316G05 to confirm fit with your specific application and panel configuration.
• Versatile in modernization and replacement: Suitable for updating older DSL‑series installations or integrating into new or expanded electrical rooms.

How to verify fit and ensure seamless installation:

• Match the part number 140D316G05 to your panel or equipment specification.
• Confirm amperage (400 A), poles (3), and voltage (600 V) align with your circuit requirements.
• Check your enclosure’s mounting, interrupting ratings, and any local electrical codes or standards for compliance.

If you’re unsure about compatibility or need help matching this part number to your application, send us a message and we’ll help verify fit and suggest the best installation approach for your specific system.