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4,871 electrical equipment manuals organized by equipment type — all free to download as PDFs.

Relays and Meters

Overcurrent relays, protective relays, metering equipment, and related documentation.

Air breakers, insulated case breakers, molded case breakers, trip units, retrofit kits, vacuum interrupters, renewal parts, and accessories.

Motor control centers, starters, contactors, overloads, and MCC bucket replacement guides.

Communications modules, accessories, field testing documentation, and other equipment.

Dry-type transformers, oil-filled transformers, pad-mounted, and instrument transformers.

Disconnect switches, transfer switches, safety switches, and operating manuals.

Fuse links, fuse holders, fuse catalogs, and rating documentation.

Bus duct, busway systems, bus plugs, insulators, and installation manuals.

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