Westinghouse | HFB3190ML | Circuit Breaker | 25A | 3-Pole

Meet the Westinghouse HFB3190ML — a genuine 25A, 3-pole circuit breaker crafted for dependable overcurrent protection in your electrical panel. Designed with maintenance, retrofit, and replacement in mind, this breaker helps you keep circuits safe, code-compliant, and ready for service with minimal downtime.

Key specifications

• Amperage: 25A
• Pole configuration: 3-Pole
• Part reference: HFB3190ML
• Primary use: Maintenance, retrofit, and replacement in compatible panels
• Compatibility note: Confirm fit and ratings before ordering; use the part number as the best reference for compatibility

Why this breaker stands out

• Authentic Westinghouse quality: Designed to match the original specifications in panels that accept HFB-style breakers, ensuring reliable performance and safe operation.
• Clear compatibility path: The part number HFB3190ML is your best reference for matching against your panel model, reducing guesswork during maintenance or retrofit.
• Focused 25A protection: Ideal for circuits that require a precise 25-amp limit, helping prevent overheating and electrical faults without unnecessarily tripping other components.

Ideal use cases

• Panel maintenance: Replace a worn or failed breaker to restore interrupting capacity and protect connected circuits.
• Retrofit projects: Upgrade or reconfigure panels to maintain proper overcurrent protection in multi-conductor or three-pole arrangements.
• Emergency replacements: Stock a genuine Westinghouse part for quick service calls and downtime reduction.

How to verify compatibility

• Identify panels that accept HFB-style breakers and confirm that 3-pole, 25A devices are appropriate for the circuit layout.
• Cross-check the panel’s model number with the HFB3190ML part reference to ensure exact compatibility.
• Ensure the circuit requires a 25A rating and that the breaker’s trip characteristics align with your protection strategy.

Installation and best practices

• Always de-energize the main power supply and verify absence of voltage before handling components.
• Follow local electrical codes and guidelines, and consider professional installation for safety and compliance.
• Handle the breaker with care to preserve terminal integrity and avoid contamination that could affect performance.

Care and storage

• Store in original packaging in a dry, cool environment to preserve connector surfaces and trip mechanisms.
• Keep spare units readily accessible in your service toolkit for fast, reliable replacements when needed.