Westinghouse | 314C640G21 | Circuit Breaker | 125A | 3-Pole | 415V

Meet the Westinghouse 314C640G21 circuit breaker — a purpose-built, 125A, 3-pole safety device engineered for 415V three-phase networks. This unit is crafted for maintenance, retrofit, and replacement projects where exact specifications matter, delivering dependable protection without guesswork.

• 125A line current provides solid protection for medium-current feeders and motors, helping to prevent overheating and equipment damage.
• 3-Pole design ensures balanced protection across all three live lines in a three-phase system, promoting stable operation and safer shutdown in fault conditions.
• 415V compatibility aligns with standard European and many international industrial power distributions, simplifying integration into existing panels.
• Part number reference 314C640G21 is the best compatibility guide, making selection precise for replacement or retrofit missions.
• Maintenance, retrofit, and replacement use—a reliable choice whether you’re upgrading an aging panel, swapping a failed unit, or refreshing critical electrical infrastructure.

How to use this breaker effectively

• Before ordering, confirm fit and ratings against your current panel labeling and schematics. The part number is your clearest reference for compatibility.
• Verify that your system is a 415V three-phase network and that the circuit’s current draw does not exceed 125A to ensure proper protection and tripping performance.
• During installation, follow standard electrical safety practices, secure lugs with the manufacturer-recommended torque, and replace any enclosure seals or gaskets as needed to maintain enclosure integrity.

Designed for professionals who need reliability without guesswork, this Westinghouse circuit breaker is ideal for:

• Industrial equipment rooms where three-phase motors and feeders run at 415V
• Panel retrofit projects replacing legacy breakers with matching 314C640G21 specifications
• Maintenance routines in manufacturing, processing, or HVAC applications requiring precise amperage and phase protection

Why this matters for your operation: precise matching of amperage, pole configuration, and voltage minimizes downtime, protects valuable equipment, and helps maintain compliance with electrical standards. With the 314C640G21, you’re choosing a dedicated, spec-aligned solution that fits your existing infrastructure while delivering dependable performance when it matters most.