Westinghouse HFB3090L Molded Case Circuit Breaker

Description:

The Westinghouse HFB3090L Circuit Breaker with Shunt Trip is a 90 Amp 3 Pole molded case circuit breaker used in industrial power distribution and emergency shutdown systems. Commonly installed in manufacturing equipment, motor control centers, HVAC systems, automation panels, and commercial electrical distribution assemblies requiring remote trip capability. Maintenance teams, OEMs, and system integrators use this breaker for overload protection, emergency disconnect applications, retrofit projects, and replacement of industrial branch circuit breakers.

Applications:

The Westinghouse HFB3090L with shunt trip is commonly used in industrial and commercial electrical systems where remote circuit interruption and dependable branch circuit protection are required. It is frequently installed in emergency shutdown systems, fire safety interlocks, automation equipment, processing machinery, pump systems, industrial control cabinets, and facility power distribution panels where reliable thermal magnetic protection and remote tripping functionality are necessary for operational safety and equipment protection.

Technical Specifications:

• Brand: Westinghouse
• Part Number: HFB3090L
• Product Type: Molded Case Circuit Breaker with Shunt Trip
• Current Rating: 90 Amp
• Number of Poles: 3 Pole
• Voltage Rating: 600 VAC
• Frequency Rating: 50/60 Hz
• Phase Compatibility: 3 Phase
• Trip Type: Thermal Magnetic
• Special Feature: Shunt Trip Mechanism
• Mounting Style: Bolt-On
• Frame Series: HFB
• Protection Type: Overload and Short Circuit Protection
• Application: Branch Circuit and Remote Disconnect Protection
• Suitable For: Industrial Power Distribution Systems
• Construction Type: Molded Case Industrial Breaker
• Typical Installation: MCCs and Industrial Control Panels

Common Replacements:

• Eaton HFD3090 with Shunt Trip
• Cutler-Hammer HFD3090 Shunt Trip
• Westinghouse HFB3090