Westinghouse | 456D988G16 | Circuit Breaker | 150A | 3-Pole | 600V | Bolt-On

Meet the Westinghouse 456D988G16 circuit breaker—a 150A, 3-pole, 600V bolt-on protection device designed for demanding electrical systems. This unit is built for maintenance, retrofit, and replacement projects where precise specifications and trusted performance matter, ensuring your three-phase feeds stay protected and your downtime stays low.

Key compatibility and setup notes ensure you get the right fit the first time. The part number 456D988G16 is the most reliable reference for matching this breaker to compatible panels and configurations. Always verify the fit and ratings against your specific panel model before ordering, and use the part number as your primary compatibility check.

Why this Westinghouse breaker stands out

• Exact specification alignment with 456D988G16 ensures consistent performance in compatible systems, making it ideal for replacements and upgrades in established installations.
• Bolt-On mounting simplifies field installation and removal, supporting quicker service turns in maintenance windows and retrofit projects.
• Three-pole, 150A capacity is tailored for three-phase circuits and higher-load applications, providing reliable protection for industrial motors, transformers, and feeders.
• 600V maximum voltage rating aligns with typical industrial and commercial distribution environments, helping you protect equipment and maintain safe operation.

Ideal use cases

• Replacing a failed breaker in compatible Westinghouse panels without redesigning the enclosure.
• Retrofitting older electrical systems to meet current protection standards while preserving panel integrity.
• Upgrading three-phase feeders in manufacturing lines, processing equipment, or large commercial power bays.

Specifications at a glance

• Amperage: 150A
• Poles: 3-Pole
• Voltage rating: 600V
• Mounting style: Bolt-On
• Part reference: 456D988G16 (best compatibility reference)

Practical tips for a smooth installation

• Before purchasing, confirm the panel model, bus configuration, and mounting space to ensure a clean bolt-on fit.
• Follow your panel manufacturer’s installation guidelines and use the correct torque specifications for bolt-on breakers.
• Keep the part number handy during service calls—456D988G16 is your go-to reference for compatibility checks.
• Use this breaker primarily in systems that require a robust three-phase protection strategy at 600V and 150A, such as motors, drives, and feeders in industrial settings.