Eaton L520PW Watertight Locking Plug - L5-20 IP67
Part Number: L520PW
Quick Summary
Eaton L520PW watertight locking plug provides secure, back-wired power connections for industrial equipment in harsh environments. Maintenance teams often battle moisture ingress, corrosion, and washdown-related failures that drive downtime and repair costs. This device carries IP67 protection, RoHS compliance, and cULus listing, underscoring rugged reliability and regulatory alignment. By combining robust connectivity with straightforward installation, it supports faster changeovers and safer electrical practices. For engineers and procurement leaders, the L520PW delivers a durable, compliant solution that reduces maintenance intervals while enabling scalable, compliant power distribution in industrial settings.
Product Information
Extended Description
L520PW Eaton: Eaton Arrow Hart watertight locking plug, #18-10 AWG, 20A, Industrial, 125V, Back wiring, Yellow, 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
L520PW
UPC
040893641744
Product Length/Depth
6 in
Product Height
3.5 in
Product Width
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
Grounding 3
Torque rating
14-16 lbf-inch
Voltage rating
125 V
Environmental resistance
NEMA 6P NEMA 4 NEMA 6 IP67 NEMA 4X
Allowable wire size
#18-10 AWG
Wiring method
Back
Color
Yellow
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 environmental protection paired with NEMA compatibility. Business Impact: relentless ingress protection reduces unplanned downtime and extends equipment life in wet or dusty environments. Application: outdoor substations, washdown rooms, and rugged conveyors. The L520PW’s watertight design minimizes field failures and supports compliance with demanding industrial codes. Feature: Back wiring with #18-10 AWG conductors. Business Impact: faster, safer field terminations with fewer loose connections; installation cost and time reduced. Application: on-site panel and equipment hookups where quick, reliable wiring matters. Feature: Two-pole, three-wire configuration with ground. Business Impact: improved fault tolerance and grounding reliability for motor loads and lighting circuits. Application: L5-20 power distribution in industrial plants. Feature: Nickel-plated brass contacts. Business Impact: low contact resistance and corrosion resistance extend connector life and maintain voltage integrity under harsh conditions. Application: high-humidity and chemical exposure environments. Feature: Santoprene seal, Nylon body, and yellow color coding. Business Impact: durable, chemical-resistant housing that withstands frequent handling and easy identification in busy plant floors. Application: maintenance carts, repair spares, and field service kits. Feature: Torque rating 14-16 lbf-in. Business Impact: consistent engagement force reduces connection drift and loosening over time. Application: assembly and panel mounting where torque control is critical. Overall, these features drive measurable uptime, safety, and lifecycle cost reductions in industrial applications.
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FAQs
The L520PW accepts back wiring with #18-10 AWG conductors, allowing a secure connection from smaller control leads to larger power wires. Ensure the conductors are fully stripped to the appropriate length and tightened to the manufacturer’s specified torque (14-16 in-lbf). This approach minimizes stray strands and reduces the risk of loose terminations in dirty or wet environments.
This locking plug is rated for 20A at 125V and features IP67 ingress protection. It is designed for two-pole, three-wire configurations with ground and uses nickel-plated brass contacts for low resistance and aging resistance. The device aligns with NEMA L5-20 configurations and is built for industrial duty in harsh conditions.
Ideal for outdoor equipment, washdown zones, and rugged installations, the L520PW supports L5-20 power circuits in harsh environments. With its watertight sealing and durable nylon/Santoprene construction, it handles frequent handling, routine inspections, and maintenance cycles typical in manufacturing floors, wastewater treatment, and material handling systems.
The L520PW is RoHS compliant and cULus Listed NOM, ensuring compliance with hazardous location and safety standards. IP67 protection adds a robust environmental rating for moisture and particulate ingress. These certifications help ensure regulatory alignment during audits and support safe operation in mixed chemical and washdown environments.
Regular inspection of the locking mechanism and connectors should be performed to verify torque retention (14-16 lbf-in) and seal integrity. The nickel-plated brass contacts resist corrosion, reducing replacement frequency in humid environments. Integrated back-wiring simplifies upgrades, lowers labor costs during maintenance, and supports longer intervals between restocking spares, improving total cost of ownership.