Industrial LS36T400E 400A 3-Pole 600 V Circuit Breaker

Industrial LS36T400E 400A 3-Pole 600 V Circuit Breaker is engineered for rugged, reliable overcurrent protection in demanding industrial environments. With a 400 A current rating across three poles and a voltage rating up to 600 V, this breaker is tailored for three-phase power distribution in factories, processing plants, and large facilities. The LS36T400E is designed to integrate seamlessly into standard industrial panels and switchgear, delivering consistent protection where machinery and workflows demand uninterrupted performance.

Why the 3-Pole design matters

Three-pole protection ensures that all live conductors trip together during a fault. This synchronized disconnection minimizes phasing inconsistencies, protects motors and transformers from damage, and enhances workplace safety by reducing the likelihood of arc-related hazards in 3-phase systems.

Key benefits

• Precise 400 A protection for main feeders, MCCs, and large 3-phase loads
• Voltage compatibility up to 600 V, accommodating common industrial distributions (including 380–480 V systems)
• Dedicated industrial design that supports consistent performance in demanding environments
• Simple integration with standard panel boards and mounting configurations

Ideal use cases

• Main feeder protection for manufacturing lines powered by 3-phase motors
• Motor control centers (MCCs) and switchgear assemblies in heavy industries
• Service or distribution feeders in warehouses, distribution centers, and large facilities
• Backup protection within 600 V-class electrical infrastructures for process equipment

Practical considerations for procurement and installation

When selecting the LS36T400E, ensure your panel or switchgear accommodates a 3-pole, 400 A device and that the system voltage does not exceed 600 V. Confirm compatibility with your existing busbar arrangement and mounting rails, and coordinate with your maintenance plan to inspect termination points and accessibility for future servicing. The LS36T400E is identified by part number LS36T400E, making ordering straightforward for ongoing projects or facility upgrades.

What you gain with the LS36T400E

Focused on real-world industrial needs, this circuit breaker delivers dependable protection for critical 3-phase loads, enabling smoother operation, reduced downtime, and safer shutdowns when electrical faults occur. If you’re upgrading a facility’s power distribution or equipping a new MCC or panel with robust, predictable protection, the LS36T400E 400A 3-Pole 600 V Circuit Breaker stands out as a practical, purpose-built choice.