Westinghouse 718B721G37 Polar Unit HU-1 Shunt Trip Assy

Description:

The Westinghouse 718B721G37 Shunt Trip Assembly is used in industrial circuit breaker trip and protection systems. Commonly installed in switchgear assemblies, breaker control equipment, and industrial power distribution systems. Maintenance teams, electrical contractors, and system integrators use this shunt trip assembly for breaker protection replacement, electrical maintenance, and retrofit projects.

Applications:

The Westinghouse 718B721G37 Shunt Trip Assembly is used in industrial switchgear systems, circuit breaker control assemblies, facility power distribution equipment, and electrical protection applications requiring dependable remote trip and breaker shutdown operation.

Technical Specifications:

• Manufacturer Part Number (MPN): 718B721G37
• Product Type: Shunt Trip Assembly
• Brand: Westinghouse
• Unit Type: Polar Unit HU-1
• Application Type: Industrial Circuit Breaker Protection
• Function: Remote Breaker Trip and Shutdown Control
• Installation Type: Breaker Mounted
• Compatible Systems: Industrial Switchgear and Power Distribution Equipment
• Typical Use: Breaker Protection and Electrical Maintenance
• Industrial Environment: Manufacturing and Commercial Facilities

Common Replacements:

• Eaton S29322 Shunt Trip Assembly
• Siemens MTX3B800SHT Shunt Trip Unit
• Square D S33595 Shunt Trip Module