Westinghouse Vari-Depth Operating Mechanism For Tri-Pac NB Breakers Style 37

Description:

The Westinghouse Vari-Depth Operating Mechanism Style 37 is used in industrial power distribution and circuit protection systems for mechanical operation, remote actuation, and controlled switching of Tri-Pac NB circuit breakers. Commonly installed in switchgear assemblies, motor control centers, industrial electrical distribution panels, and power management systems requiring dependable breaker operation through varying panel depths and enclosure configurations. Maintenance electricians, power system engineers, and industrial system integrators use this operating mechanism for replacement maintenance, breaker mechanism repairs, retrofit projects, and restoration of legacy Westinghouse Tri-Pac NB circuit breaker systems.

Applications:

The Westinghouse Vari-Depth Operating Mechanism Style 37 is commonly used in industrial switchgear systems, electrical distribution assemblies, motor control centers, utility substations, manufacturing facilities, process automation equipment, and power management installations where reliable remote breaker actuation, mechanical switching control, and safe circuit isolation are required for operational safety and electrical system management.

Technical Specifications:

• Manufacturer: Westinghouse
• Product Type: Vari-Depth Operating Mechanism
• Style: 37
• Compatible Breaker Series: Tri-Pac NB Circuit Breakers
• Application Type: Circuit breaker operation and switching control
• Function: Mechanical breaker actuation and operating linkage control
• System Compatibility: Westinghouse Tri-Pac NB breaker systems
• Electrical Function: Manual breaker open/close operation support
• Mechanical Function: Remote operating handle and linkage mechanism
• Installation Environment: Switchgear, MCCs, and electrical distribution panels
• Industry Use: Manufacturing, utility, and industrial power systems
• Compatible Equipment: Tri-Pac NB molded case circuit breakers
• Mounting Type: Door-mounted and panel-operated mechanism assembly
• Control Function: Breaker operation through varying enclosure depths
• Service Application: Replacement and retrofit projects
• Equipment Category: Industrial circuit breaker operating hardware

Common Replacements:

• Eaton Tri-Pac NB Operating Mechanism Assembly
• Cutler-Hammer Vari-Depth Breaker Handle Mechanism
• Siemens Circuit Breaker Rotary Operating Mechanism