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by Hubbell Wiring Device-Kellems 

Catalog ID: HBL25250

Locking Devices, Hubbellock®, Industrial, Receptacle, 30A 600V AC, 20A 250V DC, 4-Pole 5-Wire Grounding, Black phenolic interior, Aluminum weatherproof housing, Non NEMA, Screw Terminal, Blue, With FS/FD Cover.

  • Spring loaded safety shutter contains arcing when mating or un-mating devices under load
  • Spring loaded safety shutter automatically ejects the plug eliminating contact teasing
  • Box terminals in conjunction with screws with pressure pads provide maximum termination strength and dependability
  • Metallic weather protective spring loaded cover provides protection from moisture and dust

Auto Ejects Improperly Made Connection

Product Details


Application Heavy Duty Industrial
Environmental Conditions Indoor Dry Unless Protected By Additional Means
Item Type 20A/30A Grounding Hubbellock® Receptacle
Material Aluminum, Cast
Material - Mounting Hardware Screw Mounting
Number Of Poles 4-Pole
OEM Brand Name Hubbell Wiring Device-Kellems
Operating Temperature Maximum continuous 75°C and minimum -40°C without Impact
  • Electrical - Current Interrupting - Certified for current interrupting at full rated current
  • Electrical - Dielectric Voltage - 2,000V minimum
  • Environmental - Flammability - UL 94 V0 for Receptacles and Inlets.HB or better for Plugs and Connectors
  • Environmental - Moisture Resistance - IP30 Suitability
  • Environmental - Operating Temperatures - Maximum Continuous 75°C, Minimum -40°C (w/o impact)
  • Mechanical - Terminal Accomodation - #10 AWG - #6 AWG solid or stranded copper wire only.
  • Mechanical - Terminal Identification - Terminals identified in accordance with UL 498
Type Receptacle
UPC 783585017594


Dimensions 4.56 in x 3.28 in x 3.67 in
Display Size Standard Sized Product
Height 3.67 in
Length 4.56 in
Weight 1.3 lb
Width 3.28 in

Electrical Ratings

Amperage Rating 20/30 A
Connectivity Back Wired Screw Terminals
Current / Amperage Rating 20/30 A
Current Rating 20 A
Dielectric Strength Withstands 2,000V minimum
Voltage Rating 250 VDC/600 VAC
Voltage Rating Description 250 VDC/600 VAC
Wattage 18000 W

Conductor Related

Number Of Wires 5-Wire
Wire Size #10 AWG to #6 AWG

Certifications and Compliance

Industry Standard(s)
  • Certified to CSA Standard
  • Listed to UL Standard


Carton Quantity 5