LAB3400WSK | Circuit Breaker | 400A | 3-Pole | 600V

LAB3400WSK is an industrial circuit breaker designed for reliability in demanding electrical environments. Rated at 400 A with a 3-pole configuration for 600 V systems, this device is built to handle high-current protection while remaining adaptable for maintenance, retrofit, and replacement tasks where exact specifications matter.

Key specifications

• Amperage: 400 A
• Poles: 3-Pole
• Voltage: 600 V

What makes LAB3400WSK different

Unlike generic breakers, LAB3400WSK is identified by its part number, serving as the most reliable reference for compatibility in compatible panel boards and switchgear. It’s specifically suited for installations that demand precise ratings and a robust, industrial-grade build.

Ideal use cases

• Maintenance and retrofit projects where the existing equipment requires exact 400 A, 3-Pole, 600 V specifications.
• Replacement of aging or failed breakers in industrial panels, service entrances, and machine control circuits.
• Panel upgrades in manufacturing lines where uptime and protection coordination matter.

Compatibility and ordering guidance

Before ordering, verify fit and ratings to ensure seamless replacement. The part number LAB3400WSK is the most reliable reference for compatibility with your equipment.

Installation and practical tips

• Follow relevant electrical codes and manufacturer torque specs when wiring terminals.
• Inspect the enclosure rating and ensure the breaker is compatible with your panel’s interrupting capacity and conductor sizing.
• Store and handle the device per standard industrial practices to prevent damage prior to installation.