The Hubbell HBL21415B is an industrial-grade Hubbellock 3-pole, 4-wire grounding locking male plug rated for 30A 600V AC or 20A 250V DC. Designed with a high-impact nylon housing, thermoset interior, and heavy-duty brass blades, this plug provides safe and positive locking power connections in harsh industrial applications.
We have inspected this item and we do not have the capability to install the unit to fully test it. There are some cosmetic scuffs and scratches throughout the unit. The outer factory box shows light shelf wear and tear.
Please refer to the photos for more information.
This unit only includes what is photographed in the listing.
Made in USA.
Technical Specs
| Item | Locking Plug |
| Manufacturer Part Number | HBL21415B |
| Blade Material | Brass |
| Voltage Rating | 250V DC/600V AC |
| Body Length | 2.33 in |
| Connection Orientation | Straight |
| Current Rating | 20/30 A |
| For Maximum Cable Diameter | 1.2 in |
| For Minimum Cable Diameter | 0.7 in |
| Grounding | Grounded |
| Housing Color | Black; White |
| Housing Material | Nylon |
| IP Rating | IP30 |
| Market | Industrial |
| Maximum Operating Temperature | 75 °C |
| Maximum Wire Size | 6 AWG |
| Minimum Operating Temperature | -40 °C |
| Minimum Wire Size | 10 AWG |
| NEMA Plug Configuration | Non-NEMA |
| Number of Blades | 4 |
| Number of Poles | 3 |
| Outside Diameter | 2.33 in |
| Overall Length | 2.33 in |
| Phase | Three |
| Polarized | Yes |
| Resistance Properties | Chemical Resistant; Impact Resistant |
| Shrouded | No |
| UL 94 Flammability Rating | HB |
| Wire Connection Type | Screw Terminals |
| Wiring Style | Standard |
| Country of Origin | USA |