Overview
The Westinghouse 21-1000-030 Spring 503B027H01 is a contact spring and arcing contact kit component engineered for use in Westinghouse electrical switchgear and circuit breaker applications. This heavy-duty contact spring assembly provides the reliable arc suppression and electrical switching performance required in industrial automation, motion control, and power distribution systems where switchgear maintenance or replacement is necessary.
Key Features
- Stationary arcing contact spring for Westinghouse circuit breakers
- Heavy-duty construction designed for industrial switchgear applications
- Compatible with multiple Westinghouse breaker models (DS206, DSL, 416, DS-420)
- Provides reliable arc suppression and electrical performance
- Direct replacement contact kit for circuit breaker maintenance
Technical Specifications
- Manufacturer: Westinghouse Electric Corporation
- Part Number: 503B027H01
- Secondary Part Number: 21-1000-030
- Product Type: Contact Spring, Stationary Arcing Contact Kit
- Application: Circuit Breaker Switchgear
- Condition: New in Box
Typical Applications
The Westinghouse 503B027H01 contact spring is used in maintenance and upgrade scenarios for:
- Westinghouse circuit breaker panels and distribution systems
- Industrial switchgear replacement and refurbishment
- Motion control and automation systems requiring switchgear components
- Electrical infrastructure maintenance and repair programs
Compatibility & Replacements
Compatible With
- Westinghouse DS206 circuit breaker models
- Westinghouse DSL circuit breaker series
- Westinghouse 416 breaker series
- Westinghouse DS-420 circuit breakers
- Westinghouse industrial switchgear systems
Replaces / Drop-In Replacement For
- Westinghouse stationary arcing contact spring assemblies in compatible breaker models
- Original equipment manufacturer (OEM) contact kits for specified Westinghouse circuit breakers
- Verify compatibility with your system integrator before ordering.
Works With
- Westinghouse electrical distribution and control systems
- Industrial automation switchgear and circuit protection networks
- Motion control systems utilizing Westinghouse switching components
