Westinghouse NB31299F Circuit Breaker NB31299F

Description:

The Westinghouse NB31299F Circuit Breaker is used in industrial power distribution and high-capacity electrical protection systems. Commonly installed in switchgear assemblies, large manufacturing equipment, industrial distribution panels, and motor control centers. Maintenance teams and system integrators use this circuit breaker for replacement, retrofit projects, preventive maintenance, and heavy-duty electrical system upgrades.

Applications:

The Westinghouse NB31299F circuit breaker is commonly used in manufacturing facilities, industrial automation systems, HVAC equipment, power distribution systems, and motor control applications where reliable high-current three-phase circuit protection and dependable fault interruption are critical for safe and continuous electrical operation.

Technical Specifications:

• Brand: Westinghouse
• Part Number: NB31299F
• Product Type: Circuit Breaker
• Number of Poles: 3 Pole
• Current Rating: 1200 Amp
• Voltage Rating: 600 VAC
• Protection Type: Thermal Magnetic Circuit Protection
• Frame Type: Molded Case Circuit Breaker
• 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 and Distribution Panels
• Terminal Type: Mechanical Lug Connections
• Interrupting Capacity: Industrial High Fault Current Rated

Common Replacements:

• Eaton NB31200F
• Square D PJF361200CU44A
• Siemens HND361200