Westinghouse | EHB3100L | Circuit Breaker | 100A | 3-Pole | 480V

The Westinghouse EHB3100L Circuit Breaker is a dedicated 100A, 3-pole protector designed for 480V three-phase systems. Built for maintenance, retrofit, and replacement tasks, it delivers dependable overcurrent protection when exact compatibility matters most.

Key specifications

• Amperage: 100A
• Poles: 3-Pole
• Voltage: 480V
• Part number: EHB3100L
• Applications: maintenance, retrofit, and replacement in compatible panels
• Important note: Confirm fit and ratings before ordering. The part number is the best reference for compatibility.

What makes this breaker stand out

• The EHB3100L is purpose-built for 3-pole setups, delivering reliable protection across all three phases.
• Ideal for panel upgrades or replacements where a like-for-like match is essential, reducing installation guesswork.
• Rely on the exact part number (EHB3100L) to ensure you’re ordering the correct device for your Westinghouse or compatible panels.
• Engineered to withstand industrial demands, providing consistent trip performance when it matters most.

Ideal use cases

• Replacing a failed or outdated 3-pole breaker in industrial control panels, motor starters, or large HVAC/equipment circuits operating at 480V.
• Retrofit projects where a new-but-accurate 100A, 3-pole device is required to match existing electrical schematics and labeling.
• Service maintenance in facilities and plants that rely on standardized Westinghouse components for quick parts replacement.

Compatibility and installation guidance

Before you order, verify that your panel accepts the EHB3100L and that the system voltage and current ratings align with your installation. Use the part number as the primary reference to confirm footprint, mounting style, and bussing compatibility. Follow all local electrical codes and the panel manufacturer’s instructions during installation, and ensure proper de-energization and safety procedures are in place.

Practical tips for best results

• Keep a spare EHB3100L on hand for planned maintenance or unexpected outages in 3-phase 480V systems.
• Label the replacement clearly to reflect its 100A, 3-pole 480V role, aiding future servicing and audits.
• Store unused breakers in a dry, dust-free environment to preserve contact surfaces and performance.

Choose the Westinghouse EHB3100L Circuit Breaker for a trustworthy, exact-match replacement that aligns with your 3-phase 480V infrastructure. Its clear part-number guidance and retrofit-ready design help you keep critical electrical systems protected with minimal downtime.