Schneider Electric KL36125 Circuit Breaker, 400A, 3-Pole, 600V

Schneider Electric KL36125 Circuit Breaker — 400 A, 3-Pole, 600 V — is engineered for demanding industrial electrical service, routine maintenance, and replacement projects. Use the part number KL36125 to confirm compatibility with your panel, bus, and application, ensuring a secure fit from day one.

Designed to protect three-phase systems, this 3-pole breaker delivers reliable overcurrent protection for commercial and industrial circuits in environments that demand durability and consistent performance. Built to withstand the rigors of industrial use, it pairs seamlessly with Schneider Electric equipment to help keep critical processes online and protected.

Key specifications

• Amperage: 400 A
• Poles: 3
• Voltage: 600 V
• Manufacturer: Schneider Electric
• Part number: KL36125
• Product type: Circuit Breaker

Why this breaker excels in industrial settings

• High-current capability (400 A) makes it suitable for heavy feeder applications and larger branch circuits in manufacturing floors, data centers, and distribution panels.
• Three-pole design provides robust protection for 3-phase loads, helping prevent damage from imbalances and short circuits in motors and equipment compressors.
• Part-specific compatibility (KL36125) reduces guesswork during replacements, minimizing downtime and ensuring you’re pairing the correct device with your existing Schneider Electric ecosystem.
• Intended for industrial service, maintenance, and replacement projects where dependable, long-term performance is essential.

Ideal use cases

• Replacing aging breakers in industrial distribution panels or switchgear where a 3-phase, 400 A solution is required.
• Feeding large motors, conveyors, or processing lines that operate on 3-phase power within a plant or facility.
• Upgrading panel protection during system upgrades or capacity expansions, ensuring continuity and safety.

Compatibility and installation considerations

• Always verify fit by part number (KL36125) and align with your specific application requirements and panel ratings.
• Confirm the breaker’s voltage and current ratings match the system they will protect, and ensure mounting and enclosure compatibility with your existing hardware.
• For assistance with matching a part number or confirming compatibility, reach out — we can help verify fit and guide you to the right Schneider Electric solution for your project.

Ready to upgrade or replace? The Schneider Electric KL36125 circuit breaker is your reliable choice for safeguarding heavy 3-phase loads. If you need help confirming compatibility or selecting the right part for your exact setup, send us a message and we’ll assist you in getting it right the first time.