WESTINGHOUSE EHB3090, 90 Amp, 480 Volt, 3Pole, Circuit Breaker

Description:

The Westinghouse EHB3090 Circuit Breaker is a molded case circuit breaker used in electrical distribution systems to provide overcurrent and short-circuit protection for industrial and commercial power circuits. Commonly installed in motor control centers, switchgear assemblies, industrial control panels, manufacturing facilities, and commercial buildings where reliable circuit protection is required. Maintenance teams, electricians, and facility managers use this circuit breaker for equipment repairs, electrical system upgrades, replacement of obsolete breakers, and retrofit projects.

Applications:

The Westinghouse EHB3090 is designed to protect electrical circuits from overloads and fault currents in industrial and commercial environments. It is commonly used in power distribution panels, motor feeders, HVAC systems, manufacturing equipment, and building electrical systems where dependable interruption capability and long service life are essential. The EHB series is known for its compact molded case design and compatibility with existing Westinghouse and Eaton electrical systems.

Technical Specifications:

• Manufacturer: Westinghouse / Eaton
• Model / Part Number: EHB3090
• Product Type: Molded Case Circuit Breaker (MCCB)
• Series: EHB
• Number of Poles: 3 Pole
• Rated Current: 90 A
• Voltage Rating: 480 VAC
• Frequency: 50/60 Hz
• Interrupting Rating: 14 kA at 480 VAC typical
• Trip Unit: Thermal Magnetic
• Frame Size: E-Frame
• Mounting: Bolt-On
• Operating Mechanism: Toggle Handle
• Terminal Type: Line and Load Lug Connections
• Standards: UL Listed, CSA Certified
• Housing Material: Molded Thermoset Insulation
• Application Environment: Industrial power distribution, motor control centers, and commercial electrical systems

Common Replacements:

• Eaton EHB3090 Circuit Breaker
• Eaton FD3090 Molded Case Circuit Breaker
• Westinghouse EDB3090 Circuit Breaker