Westinghouse HNCA31200F Molded Case Circuit Breaker

Description:

The Westinghouse HNCA31200F Style 1373086G17 is a high-capacity molded case circuit breaker designed for industrial and commercial power distribution systems requiring advanced electronic trip protection and high interrupting capability. Commonly installed in switchgear, motor control centers, industrial distribution panels, and large electrical service equipment where reliable feeder and branch circuit protection is required. Maintenance electricians, power system engineers, and industrial automation technicians use this breaker for replacement, retrofit, or electrical distribution system maintenance. The HNCA series is part of the Westinghouse SELTRONIC® electronic trip breaker family.

Applications:

The Westinghouse HNCA31200F circuit breaker is commonly used in industrial and commercial electrical systems to protect high-current feeders, large motors, switchgear assemblies, and power distribution equipment from overload and fault conditions. It is installed in manufacturing facilities, utility systems, data centers, processing plants, and heavy industrial machinery where dependable circuit interruption and adjustable electronic trip protection are required. The breaker is designed for use in Westinghouse CDP and FDP panelboards, switchboards, and motor control centers.

Technical Specifications:

• Manufacturer: Westinghouse Electric Corporation
• Model: HNCA31200F
• Style Number: 1373086G17
• Series: HNCA / SELTRONIC®
• Product Type: Molded Case Circuit Breaker
• Number of Poles: 3-Pole
• Current Rating: 1200 Amp
• Voltage Rating: 600 VAC
• Phase Configuration: 3-Phase
• Interrupt Rating: High Interrupting Capacity
• Trip Technology: Solid-State Electronic Trip Unit
• Trip Functions: LSI (Long-Time, Short-Time, Instantaneous)
• Mounting Type: Bolt-On / Unit Mount
• Function: Overcurrent and short-circuit protection
• Application: Industrial and commercial electrical distribution systems
• System Compatibility: Westinghouse switchgear, panelboards, and MCC systems
• Operating Environment: Industrial electrical applications
• Intended Use: High-current feeder and distribution circuit protection
• Performance Feature: Advanced SELTRONIC electronic trip protection with adjustable trip functions

Common Replacements:

• Eaton ND31200 Electronic Trip Circuit Breaker
• Siemens Sentron Power Circuit Breaker
• Schneider Electric Square D PowerPact P-Frame Circuit Breaker