WESTINGHOUSE NB3500PF Molded Case Circuit Breaker

Description:

The Westinghouse NB3500PFU molded case circuit breaker is used in industrial power distribution and high-capacity electrical protection systems. Commonly installed in switchgear assemblies, motor control centers, manufacturing equipment, and industrial distribution panels. Maintenance teams and system integrators use this circuit breaker for replacement, retrofit projects, preventive maintenance, and heavy-duty electrical system upgrades.

Applications:

The Westinghouse NB3500PFU circuit breaker is commonly used in manufacturing facilities, industrial automation systems, HVAC equipment, power distribution systems, and motor control applications where reliable three-phase circuit protection and dependable fault interruption are critical for safe and continuous electrical operation.

Technical Specifications:

• Brand: Westinghouse
• Part Number: NB3500PFU
• Product Type: Molded Case Circuit Breaker
• Number of Poles: 3 Pole
• Current Rating: 500 Amp
• Voltage Rating: 600 V
• Protection Type: Thermal Magnetic Circuit Protection
• Frame Type: Molded Case
• Mounting Type: Fixed Mount
• Frequency Rating: 50/60 Hz
• Phase Type: Three Phase
• Application: High-Capacity Power Distribution and Motor Protection
• Trip Mechanism: Thermal Magnetic Trip
• Industrial Duty Rated: Yes
• Compatible Installations: Switchgear, MCCs, and Distribution Panels
• Terminal Type: Mechanical Lug Connections

Common Replacements:

• Eaton NB3500F
• Square D PJF36500CU44A
• Siemens HND36500