Eaton L1520PWBK Watertight Locking Plug - IP67 Rating
Part Number: L1520PWBK
Quick Summary
Watertight locking plug from Eaton delivers rugged, moisture-resistant electrical connections for industrial machinery and equipment. In harsh environments, moisture intrusion and unreliable back-wiring can lead to downtime and costly maintenance. With IP67 protection, RoHS compliance, and cULus listing, this plug meets strict industry standards while using durable Santoprene and nickel-plated brass contacts. Designed for three-pole, four-wire L15-20 configurations at 250 V, it supports #18-10 AWG wiring through back-wiring methods. By combining a robust mechanical interface with easy installation, it helps minimize field repair time, improve reliability, and reduce total cost of ownership for harsh-duty applications in manufacturing, food processing, and outdoor equipment.
Product Information
Extended Description
L1520PWBK Eaton: Eaton Arrow Hart watertight locking plug, #18-10 AWG, 20A, Industrial, 250V, Back wiring, Black, Steel, Watertight, L15-20, Three-pole, Four-wire, Santoprene, 0.36 to 0.84 in, IP67
Product Name
Eaton Arrow Hart watertight locking plug
Catalog Number
L1520PWBK
UPC
032664708985
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
L15-20
Number Of Poles
Three-pole
Number of wires
4 Grounding
Torque rating
14-16 lbf-inch
Voltage rating
3Ø 250 V
Environmental resistance
NEMA 6 IP67 NEMA 6P NEMA 4 NEMA 4X
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 design eliminates accidental disconnects and moisture ingress, reducing downtime and extending equipment life in washdown and outdoor environments. Business impact is lower maintenance costs and higher uptime, especially for pumps, conveyors, and industrial motors. Application-wise, the plug is ideal for three-pole L15-20 connections in 250 V systems, including heavy-duty automation panels and remote enclosures. Feature robust IP67/NEMA compatibility, ensuring reliable operation in wet factories, outdoors, and chemical plants, while supporting back-wiring for fast, scalable installations in retrofit projects. Feature nickel-plated brass contacts deliver low contact resistance and long-term corrosion resistance, translating to consistent performance in harsh environments. Application includes food processing lines, water treatment, and outdoor machinery where frequent washdowns occur. Feature Nylon face/body and Santoprene material provide impact resistance and a durable seal, supporting rugged industrial service and reducing replacement cycles. Application notes: torque rating of 14–16 lbf-in ensures proper mating force without over-tightening, while back-wiring supports straightforward field wiring with #18-10 AWG conductors. Feature RoHS compliance and cULus listing address regulatory requirements, lowering risk in cross-border procurement and enabling safer, compliant installations across facilities.
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FAQs
To install the L1520PWBK, prepare #18-10 AWG conductors, route them through the back-wiring terminals, tighten to a torque of 14-16 lbf-in as specified, and ensure the nylon body seals are seated. Verify correct L15-20 three-pole, four-wire configuration and insulation integrity before mating with the corresponding receptacle. This approach minimizes invasion risk and ensures reliable electrical contact in industrial environments.
The plug is rated for 20A at 250 V (3Ø) with a L15-20 configuration and three poles, four wires. It features IP67 ingress protection and supports environmental ratings including NEMA 6, 6P, 4, and 4X for washdown and outdoor use. These specs ensure durable performance in demanding conditions while maintaining regulatory compliance (RoHS, cULus).
Yes. Its IP67 rating and multiple NEMA compatibility (including 6, 6P, 4, 4X) make it well-suited for washdown zones, outdoor equipment, and harsh industrial environments. The Santoprene seal and nylon body contribute to moisture resistance, while back-wiring supports quick field installation in retrofit projects with robust service life.
This locking plug is RoHS compliant and cULus listed NOM, aligning with global regulatory expectations for electrical components. These certifications help reduce compliance risk in both domestic and international installations and support safer procurement and engineering practices.
By reducing downtime from moisture ingress, minimizing maintenance needs, and enabling fast, secure back-wired installations, the L1520PWBK lowers total cost of ownership. Its durability—coupled with IP67 protection and robust contact materials—translates to longer service life in harsh environments, improving reliability and ROI for industrial plants.