Whirlwind HBL2511 NEMA L21-20P Twist-Lock Plug

The HBL2511 is a Hubbell four pole five wire NEMA L21-20P twist-lock plug with a nylon housing, natural nylon blade holder and polycarbonate retainer. L21-20 is the three-phase 20 A configuration used on production distro.

It is rated for a maximum 30 C temperature rise at full rated current after 50 cycles of overload at 150 percent of rated current at a 0.75 power factor, and withstands a minimum 2000 V dielectric. It has a nylon cord clamp, brass blades, a nickel-plated steel terminal clamp and #10-32 brass multi-drive terminal and ground screws, with an IP20 protection rating.