Receptacle, Interlock

The HUBBELL Watertight Mechanical Interlock is an unfused, pin and sleeve device that functions as a combined disconnect switch and receptacle. It is rated for 30 A, 480V AC, three-phase power with four wires and features a non-metallic thermoplastic housing; rated for indoor and outdoor use. The interlock mechanism includes an interlock mechanism that restricts plug removal when the switch is engaged, allowing for visual confirmation of disconnection and compatibility with OSHA Lockout/Tagout procedures.

Key Features of the HUBBELL Watertight Mechanical Interlock:

• Current Rating: 30 A; Voltage Rating: 480V AC; Horsepower Rated: 15 hp


• Electrical Connection Type: Pin and Sleeve (compatible with plug number 5Z941)


• Wire Size Compatibility: Compatible with cord sizes from 12 to 8 AWG


• Enclosure Ratings: IP67 watertight; NEMA ratings of 4X and 12


• Operating Temperature Range: -40°C to +75°C


• Housing Material: Thermoplastic housing; UV stabilized components


• Screw Material: Stainless steel (300 series) for corrosion resistance


• Includes locking handle


• No circuit breaker or fuse protection (non-fused design)


• Flammability Ratings: UL94 V-0, UL94 5VA certified materials


• Standards Compliance: UL Listed; IEC60309-1 & IEC60309-2 compatible design