text.skipToContent text.skipToNavigation

HBL2521ST - Twist-Lock® Edge Plug with Spring Termination, 20A, 277/480V, L22-20R, Black and White Nylon

By Hubbell Wiring Device-Kellems 

Catalog ID: HBL2521ST

By Hubbell Wiring Device-Kellems
Catalog ID:  HBL2521ST
Locking Devices, Twist-Lock®, Industrial, Male Insulgrip® Plug, 20A 3-Phase 277/480V AC, 4-Pole 5-Wire Grounding, L22-20R, Spring Terminal, Black and White Nylon.
  • Faster termination time
  • No need for screwdriver and torque wrench
  • Spring Termination eliminates strand relaxation
  • Funnel shaped wire entry for ease of termination
  • Superior cord grip design protects terminations from excess strain
Add to List

More Options

Where to Buy

Product Details


Item Type Plug
Number Of Poles 4
UPC 783585681528

Electrical Ratings

Current Rating 20 A
Voltage Rating 277/480 VAC

Conductor Related

Number Of Wires 5


Carton Quantity 30

Resources and Downloads

Installation/Instruction Manual (IOM)


Twist-Lock plugs and flanged inlets with EdgeConnect technology install in 10 seconds