Westinghouse | 456D988G12 | Circuit Breaker | 70A | 3-Pole | 600V | Bolt-On

Meet the Westinghouse 456D988G12 Circuit Breaker — a purpose-built solution for maintenance, retrofit, and replacement projects where exact specifications matter. Designed for reliable, three-phase protection, this bolt-on unit delivers the precise combination of amperage, voltage, and mounting style needed to keep electrical systems safe and compliant.

Key advantages in a single, trusted package include a strong 70A rating across 3 poles and a 600V maximum, making it suitable for a wide range of commercial and light industrial applications. The bolt-on design provides a secure, field-installable connection that supports dependable operation in demanding environments where vibrations or equipment movement can be a concern.

Key specifications

• Amperage: 70A
• Poles: 3-Pole
• Voltage rating: 600V
• Mounting: Bolt-On
• Part number: 456D988G12

Why this Westinghouse breaker stands out

What sets this unit apart is its exact compatibility with Westinghouse panels and systems that require a 3-pole, 70A, 600V bolt-on breaker. The 456D988G12 is not a generic replacement — it’s a dedicated component whose part number serves as the most reliable reference for fit and ratings. For professionals performing panel upgrades or replacements, this specificity reduces guesswork and helps you maintain panel integrity and electrical safety.

Compatibility and installation guidance

Before purchasing, confirm that your equipment accepts a Westinghouse 3-pole, 70A, 600V bolt-on breaker. Use the part number 456D988G12 as the primary reference for compatibility with your panel model and catalog. This unit is intended for installations where bolt-on mounting is the correct mounting method and where the panel’s voltage and current ratings align with 600V and 70A, respectively. If you’re replacing an existing bolt-on breaker, ensure the footprint, bus connection scheme, and overall enclosure configuration match to ensure a secure, code-compliant fit.

Ideal use scenarios

Perfect for facilities managers and electrical contractors tackling retrofits in commercial buildings, manufacturing floors, data centers, and other environments with 3-phase electrical systems. When upgrades involve upgrading or standardizing protective devices, the Westinghouse 456D988G12 provides a dependable, compliant option that aligns with existing Westinghouse infrastructure and maintenance practices.

Practical tips for best results

• Cross-check the panel’s catalog number and rating to ensure this 70A, 3-pole, 600V bolt-on breaker is the correct match.
• Keep the part number 456D988G12 as your primary reference when ordering to avoid mismatches.
• Follow established lockout/tagout procedures during replacement and verify tight, secure mounting after installation.
• Document the replacement with the breaker’s ratings and part number for future maintenance and audits.

With its precise specifications, secure bolt-on mounting, and clear compatibility reference, the Westinghouse 456D988G12 Circuit Breaker is a reliable choice for professionals seeking a thorough, dependable 3-pole protection solution at 70A and 600V.