Square D 9422ATF12 Cam Disconnect Switch Fused 200A

Product Description

The SQUARE D 9422ATF12 is a fused, open-enclosure cam disconnect switch rated at 200 amps, designed for use in industrial and commercial electrical distribution systems. It provides a reliable means of isolating electrical loads during maintenance or emergency shutdown procedures. Rated at 40 horsepower at 208 volts (single phase), it handles substantial motor and load circuits. The switch ships with a 6-inch handle included. Licensed electricians install this type of disconnect in compliance with NEC requirements for motor branch circuit disconnecting means.

This cam disconnect switch is suited for commercial and industrial installations where a robust, high-amperage fused disconnect is required. The open enclosure design is appropriate for use in electrical rooms, panel boards, or protected indoor locations. Its NEMA ratings of 1, 3, 3R, and 4 allow deployment across a range of environmental conditions, from general indoor use to outdoor and weather-resistant applications. It is commonly installed as part of motor control centers, machinery branch circuits, or switchgear assemblies requiring a lockable isolation point.

Key Features

• 200-amp fused disconnect for high-capacity motor and load circuits
• Single-phase horsepower rating of 40 hp at 208 volts
• Open enclosure construction for use in protected or enclosed electrical spaces
• NEMA ratings 1, 3, 3R, and 4 cover indoor, outdoor, and weatherproof applications
• 6-inch handle included for safe manual operation
• CSA certified and UL Recognized

Compatibility

Designed as an OEM-style fused cam disconnect switch for commercial and industrial electrical systems requiring a 200-amp open-enclosure disconnect with NEMA 1, 3, 3R, or 4 ratings.

Installation Notes

Installation must be performed by a licensed electrician in accordance with applicable NEC articles governing disconnecting means and motor branch circuits. De-energize and lock out the upstream power source before beginning installation. Verify fuse sizing matches the load requirements before energizing. Confirm enclosure type is appropriate for the installation environment before mounting.