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  11. Locking Plug, L21-20P, 20 A, 120/208V AC, Three Phase, 4 Pole, Screw Terminals, Black
Hubbell Wiring Device-Kellems Locking Plug, L21-20P, 20 A, 120/208V AC, Three Phase, 4 Pole, Screw Terminals, Black HBL2511BK - main

Locking Plug, L21-20P, 20 A, 120/208V AC, Three Phase, 4 Pole, Screw Terminals, Black

  • Mfr # HBL2511BK

  • Zoro # G2357345

product price: $50.29
/ea

Key Features

NEMA Plug Configuration
L21-20P
Current Rating
20 A
Voltage Rating
120/208V AC
Phase
Three
Number of Poles
4
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Specifications

Product Information

MFR #
HBL2511BK
Zoro #
G2357345
UPC #
783585172262
Country of Origin
United States

Dimensions

For Maximum Cable Diameter
1.15 in
For Minimum Cable Diameter
0.35 in
Cord Size
0.350 in to 1.150 in
Face Diameter
2.21 in
Minimum Wire Size
16 AWG
Body Length
2.75 in
Maximum Wire Size
8 AWG
Outside Diameter
2.33 in
Wire Size
#16 AWG to #8 AWG
Length
2.75 in
Width
2.33 in
Dimensions
2.75 in x 2.33 in x 2.33 in
Height
2.33 in

Details

Item
Locking Plug
NEMA Plug Configuration
L21-20P
Current Rating
20 A
Voltage Rating
120/208V AC
Phase
Three
Number of Poles
4
Number of Wires
5
Number of Blades
5
Wire Connection Type
Screw Terminals
Wiring Style
Standard
Connection Orientation
Straight
Shrouded
No
Grounding
Grounded
Housing Color
Black
IP Rating
IP20
Standards
CSA Certified C22.2 No. 42, Federal Specification W-C-596, UL 498
Resistance Properties
Chemical Resistant, Impact Resistant
Material
Nylon
Grade
Industrial
Boot Code
C
Application
Extra Heavy Duty Industrial
Market
Industrial
Minimum Operating Temperature
-40 Degrees C
For Location
Indoor
Blade Material
Brass
Polarized
Yes
Maximum Operating Temperature
75 Degrees C
For Environment
Dry
Housing Material
Nylon
Horsepower Rating
2 hp
Flammability
HB or better per UL 94 or CSA 22.2 No. 0.6
Cord Range
0.350"-1.150" (9-29)
OEM Brand Name
Hubbell Wiring Device-Kellems
Material - Mounting Hardware
Cord Mounted
Amperage Rating
20 A
Cord Type
All Listed Portables
Dielectric Strength
Withstands 2,000V minimum
Performance
Electrical-Current Interrupting - Certified for current interrupting at full rated current Electrical - Dielectric Voltage - Withstands 2,000V minimum Mechanical - Terminal Accommodation - #16 AWG - #8 AWG stranded copper wire only Mechanical - Terminal Identification - Terminals identified in accordance with UL 498 Environmental - Flammability - HB or better per UL94/CSA 22.2 No.0.17 Environmental - Moisture Resistance - IP20 Suitability Environmental - Operating Temperatures - Maximum Continuous 75°C Minimum -40°C (w/o impact)
Antimicrobial
No
NEMA Configuration
L21-20
Amps
20

Description

The HUBBELL 20A Locking Plug L21-20P is a four-pole, five-wire plug suitable for use in industrial applications where locking-type electrical connections are required. It is rated for 20 amps and operates at 120/208VAC in three-phase systems. The plug features a nylon housing and brass blades, with a cord range: accepts cable diameters from 0.350" to 1.150". A clear, funnel-shaped wire entry simplifies termination, while an integral dust shield helps protect the wiring chamber from contaminants.


Key Features of the HUBBELL - 20A Locking Plug L21-20P:

  • Amperage/Voltage: Rated for 20 A and 120/208V AC in three-phase circuits

  • NEMA Configuration: L21-20P (4 poles, 5 wires)

  • Cord Range: accepts cable diameters from 0.350" to 1.150"

  • Wire Size Compatibility: Accommodates #16 AWG to #8 AWG stranded copper wire

  • Housing Material: nylon housing and brass blades

  • Connection Type: Screw terminals with standard wiring style

  • Operating Temperature Range: -40°C minimum (without impact) to +75°C maximum continuous use

  • Ingress Protection: IP20 rating; suitable for indoor dry locations unless additional protection is provided

  • Certifications & Standards: UL 498 Listed, CSA C22.2 No.42 Certified, Federal Specification W-C-596 compliant

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