Multiquip ATS-54715 Automatic Transfer Switch 100A 240VAC 1PH 2P NEMA 3R with Key Lock

The Multiquip ATS-54715 is a genuine OEM Automatic Transfer Switch 100A 240VAC 1PH 2P NEMA 3R with Key Lock designed for NEMA3R-rated electrical installations. This is a direct OEM replacement sourced through Multiquip's authorized parts network, ensuring the component meets the original design and electrical specifications for the application. The ATS-54715 delivers dependable automatic transfer switching at 100 amps on a single-phase, 2-pole configuration, housed in a weatherproof NEMA 3R enclosure with an integrated key lock for secure operation. Sourced from DHS Equipment as a genuine Multiquip OEM part, this switch is the correct replacement for installations specifying the ATS-54715.

Key Features

• Genuine OEM Electrical Rating Compliance — Manufactured to Multiquip's original 100A, 240VAC, single-phase, 2-pole specifications, ensuring correct load transfer capacity without derating or adaptation.
• NEMA 3R Weatherproof Enclosure — The NEMA 3R-rated housing protects internal switching components from rain, sleet, and external ice formation, making it suited for outdoor or semi-exposed installations.
• Integrated Key Lock Security — The built-in key lock prevents unauthorized manual operation or tampering, an important feature for generator and power transfer applications in shared or unsecured environments.
• Automatic Transfer Switching Function — Switches power source automatically when primary supply is interrupted, maintaining continuity of connected loads without manual intervention at the panel.
• Direct OEM Replacement — Replaces the original ATS-54715 unit with matching terminal configurations and enclosure dimensions, supporting a straightforward swap during service or upgrade work.
• Electrical Safety Integrity — As a genuine OEM component, the ATS-54715 carries the correct insulation ratings, contact materials, and switching architecture required for safe operation in transfer switch applications.

An automatic transfer switch monitors the incoming utility or primary power supply and, upon detecting a loss or drop below acceptable voltage, automatically switches the connected load over to a backup or generator source. The NEMA 3R enclosure protects the switching mechanism from environmental exposure, while the key lock adds a layer of access control to prevent unintended manual override. When a transfer switch fails or degrades, connected equipment may lose power unexpectedly or fail to transfer to backup power when needed — making timely replacement with the correct OEM part critical to system reliability.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.