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Preventive Maintenance Checklist for Magnum DS Circuit Breakers

by Daniel Van Oosten, from the Community

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This preventive maintenance checklist guides qualified technicians through servicing Magnum DS power circuit breakers. It outlines safety rules, required tools and materials, and a two year service routine for active breakers. Tasks include manual and electrical open close operations, inspecting arc chutes and primary contacts, measuring contact resistance, verifying torque on connections, cleaning, and testing in the racked out position. It also covers testing Digitrip trip units and batteries, interlocks, racking sequences, and remote operations, then returning the breaker to service and recording results.

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Digitize any process, procedure or policy
Eliminate mistakes made by paper-based processes
Create and share professional reports instantly
Confirm accountability and compliance with a digital log

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This community page makes available free workplace checklists and templates created by other users within the SafetyCulture community. SafetyCulture has re-published this content and where possible, has credited the original author. SafetyCulture has not verified the accuracy, reliability or suitability of any community content. You agree that your use of any of this content is in accordance with SafetyCulture’s Terms and Conditions .