Mechanical Interlock, Unfused, 100A, 25 HP

The HUBBELL Mechanical Interlock, Unfused, 100A, 25 HP is a mechanically interlocked pin and sleeve device rated for use in applications requiring up to 100A and IP67 ingress protection. This unit combines a disconnect switch and receptacle in one non-metallic enclosure, including a disconnect switch and receptacle combination that allows visual confirmation of plug removal. It features an unfused design rated for up to 100 amps and 25 horsepower at 240V AC (3-phase), rated for indoor (Type 12) and outdoor (Type 4X, IP67) environments as specified.

Key Features of the HUBBELL Mechanical Interlock Device:

• Amperage/Voltage Rating: Rated for 100A, 240V AC (3-phase), supporting up to 25 HP loads.


• Electrical Connection: Pin and sleeve type with pressure terminal screws; accommodates #3 AWG to #1/0 AWG copper wire only.


• Ingress Protection: IP67; enclosure ratings: Outdoor Type 4X, Indoor Type 12.


• Material Construction: Non-metallic thermoplastic housing with stainless steel assembly screws, nickel-plated brass hinge pins, neoprene gaskets/seals, and UV-stabilized components.


• Locking Handle: Lockable handle accommodates lockout/tagout procedures; interlock mechanism prevents plug removal when switch is ON.


• Circuit Interrupting Capability: Rated for current interruption at stated amperage; dielectric strength tested to minimum of 3,000V AC.


• Pole/Wire Configuration: Supports three poles/four wires as per IEC standards; compatible with Hubbell part number 6C556 plugs.


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


• Certifications & Standards: UL Listed, CSA Certified; conforms to IEC mechanical interlock standards.