Brand:Hubbell Wiring Device-Kellems Catalog ID:HBL4100P9W Heavy Duty Products, IEC Pin and Sleeve Devices, Industrial Grade, Male, Plug, 100A 3-Phase Delta 250V AC, 3- Pole 4-Wire Grounding, Terminal Screws, Blue, Watertight Watertight Devices - Hubbell?s IEC 60309 Pin and Sleeve plugs, connectors, inlets and receptacles are the highest performing products available. The HBL series of IEC pin and sleeve were designed for the demanding North American market. Hubbell was the first and is still only manufacturer of IEC 60309 devices in the USA and have numerous innovative features noted below. The IEC line of plugs and connectors are made with a rugged super tough, one-piece housing. The thermoset polyester contact carrier provides a high resistance to electrical tracking. They withstand higher temperatures which may result from overload or arcing. The heavy-duty, external cord grip provides superior strain relief on the conductors. Hubbell?s horsepower rated plugs and receptacles meet NEC 430.109(F) requirements and recognized as an approved disconnecting ?line of sight? disconnecting means. Solid one-piece pins for reliable electrical contact Gasketed sealing ring provides watertight seal Heavy duty external cord grips Watertight