Westinghouse | MA3175S | Circuit Breaker | 175A | 3-Pole | 600V | Bolt-On

Westinghouse MA3175S Circuit Breaker — 175A, 3-Pole, 600V, Bolt-On is a purpose-built protection device designed for maintenance, retrofit, and replacement projects where exact specifications matter. This 3-pole breaker delivers dependable three-phase overcurrent protection in demanding electrical environments up to 600V.

Key details at a glance

• Amperage: 175A
• Poles: 3-Pole
• Voltage rating: 600V
• Mounting: Bolt-On
• Part reference: MA3175S

Why this bolt-on breaker stands out

• Secure, durable mounting: Bolt-On installation provides a robust, vibration-resistant connection in panels designed to accommodate this mounting style, reducing the risk of loose connections and ensuring reliable operation in busy electrical rooms.
• Designed for three-phase protection: With 3-pole construction, it protects three-phase distribution circuits, making it ideal for commercial and light industrial environments that run motors, drives, and other three-phase equipment.
• High-voltage capability: Rated up to 600V, this breaker is suitable for a wide range of power distribution applications, from small industrial panels to larger commercial systems.
• Replacement and retrofit ready: The MA3175S is a precise part-number match for compatible panels, simplifying replacements and retrofits when you need to preserve panel integrity and performance.
• Compatibility reference: The part number MA3175S is the best reference for assessing compatibility—always confirm fit and ratings against your specific panel requirements before ordering.

Use cases and practical applications

• Maintenance and service upgrades in three-phase distribution panels where space, mounting style, and amperage align with a 175A, 3-pole, 600V device.
• Retrofits that upgrade protection in commercial facilities or light industrial setups, ensuring the panel continues to defend critical equipment like motors and conveyors.
• Repairs where aging or failed breakers are replaced with a genuine MA3175S to maintain system-wide protection integrity.

Important installation notes

Before purchasing, verify fit and ratings for your specific panel. The MA3175S is designed for bolt-on panels that accept this mounting style and current rating. Always use the part number MA3175S as your primary compatibility reference to avoid mismatches and ensure compliant, reliable protection.

Trustworthy protection for your electrical system starts with the right breaker. Add the Westinghouse MA3175S to your cart today to secure a precise, durable, and compatible 175A, 3-Pole, 600V bolt-on solution for your panel.