Eaton L520PWBK Watertight Locking Plug - IP67
Part Number: L520PWBK
Quick Summary
The Eaton L520PWBK watertight locking plug is a reliable back-wired connection solution for industrial equipment in demanding environments. Engineers often face moisture ingress, dust intrusion, and wiring complexity that slow projects and threaten uptime. This model delivers robust protection with IP67 sealing and a locking mechanism to prevent accidental disconnection, while staying compatible with back wiring and easy field termination. It carries RoHS compliance and cULus Listed NOM certification, supporting regulatory requirements across global supply chains, and aligns with the L5-20 two-pole configuration for industrial power outlets. By supporting #18-10 AWG conductors at 125 V and 20 A, it reduces maintenance, speeds installation, and improves long-term reliability in harsh sites.
Product Information
Extended Description
L520PWBK Eaton: Eaton Arrow Hart watertight locking plug, #18-10 AWG, 20A, Industrial, 125V, Back wiring, Black, Steel, Watertight, L5-20, Two-pole, Three-wire, Santoprene, 0.36 to 0.84 in, IP67
Product Name
Eaton Arrow Hart watertight locking plug
Catalog Number
L520PWBK
UPC
032664709494
Product Length/Depth
6.38 in
Product Height
3.82 in
Product Width
4.4 in
Product Weight
1.025 lb
Compliances
RoHS Compliant
Certifications
cULus Listed NOM
Amperage Rating
20A
Degree of protection
IP67
NEMA configuration
L5-20
Number Of Poles
Two-pole
Number of wires
3 Grounding
Torque rating
For #10-14 AWG: 14-16 lbf-inch. For #8 AWG: 20 lbf-inch
Voltage rating
125 V
Environmental resistance
NEMA 6 NEMA 6P NEMA 4 NEMA 4X IP67
Allowable wire size
#18-10 AWG
Wiring method
Back
Color
Black
Contact material
Nickel plated brass
Application
Industrial
Cord diameter
0.36-0.84 in
Design type
Watertight locking plug
Device grade
Extra heavy-duty industrial specification grade
Face/body material
Nylon
Material
Santoprene
Special features
Watertight
Type
Locking plug
Feature: IP67 watertight protection with a locking plug design → Business impact: protects sensitive connections from water, dust, and washdown exposure, reducing unplanned downtime in aquatic or high-dust environments → Application: ideal for outdoor equipment, pumps, and industrial motors. Feature: Back wiring compatible with #18-10 AWG conductors → Business impact: simplifies field terminations, lowers labor time, and minimizes wiring errors → Application: rapid installations on factory floors and remote facilities. Feature: Nylon face/body with Santoprene sealing and nickel-plated brass contacts → Business impact: improves durability and corrosion resistance in harsh environments, extending service life and reducing replacement costs → Application: long-term installations in chemical plants and food processing facilities. Feature: NEMA L5-20 two-pole, three-wire configuration with 125 V, 20 A rating and torque specs (14-16 lbf-in for #10-14 AWG; 20 lbf-in for #8 AWG) → Business impact: ensures compliant, high-integrity connections and predictable torque during assembly → Application: steady use in powered equipment, conveyors, and industrial controls. Feature: RoHS compliant and cULus Listed NOM with IP67 environmental resistance → Business impact: regulatory alignment and safer procurement, reducing compliance risk and audit findings → Application: procurement-ready solution for regulated industrial facilities.
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FAQs
The L520PWBK uses back wiring and supports #18-10 AWG conductors. For termination torque, expect 14-16 in-lbf for #10-14 AWG and 20 in-lbf for #8 AWG to ensure a secure connection.
IP67 rating guarantees complete protection against dust ingress and temporary immersion in water, making it suitable for outdoor, washdown, and damp industrial areas while maintaining electrical integrity.
Yes. It is RoHS compliant and cULus Listed NOM, supporting regulatory compliance and safer procurement across regulated markets.
Best for industrial equipment requiring reliable locking power connections, such as motors, pumps, conveyors, and control panels that operate in harsh or outdoor environments and need a L5-20, two-pole, three-wire configuration.
The plug uses a nylon face/body, Santoprene sealing, and nickel-plated brass contacts, delivering durability, corrosion resistance, and reliable performance in aggressive or washdown settings.