Eaton L1920CWBK Watertight Locking Connector - IP67
Part Number: L1920CWBK
Quick Summary
L1920CWBK is a watertight locking connector for industrial power wiring and back-wiring installations. Engineers often fight moisture, corrosion, and field wiring in outdoor or washdown environments; this connector reduces that risk. Supported by IP67 protection, cULus listing, and RoHS compliance, it meets harsh-duty requirements without sacrificing reliability. Its four-pole, four-wire design and back-wiring method streamline installation, minimize terminal clutter, and shorten commissioning times. Designed for 277/480 V systems, it offers rugged performance that translates to lower maintenance costs and longer service life. Integrating seamlessly with Eaton Arrow Hart ecosystems, it supports scalable industrial deployments and supplier-standard parts compatibility.
Product Information
Extended Description
L1920CWBK Eaton: Eaton Arrow Hart watertight locking connector, #18-10 AWG, 20A, Industrial, 277/480V, Back wiring, Black, Steel, Watertight, L19-20, Four-pole, Four-wire, Santoprene thermoplastic elastomeric, 0.36 to 0.84 in, IP67
Product Name
Eaton Arrow Hart watertight locking connector
Catalog Number
L1920CWBK
UPC
032664709180
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
Amperage Rating
20A
Degree of protection
IP67
NEMA configuration
L19-20
Number Of Poles
Four-pole
Number of wires
4 Non-grounding
Torque rating
14-16 lbf-inch
Voltage rating
3ØY 277/480 V
Environmental resistance
NEMA 6P NEMA 4X NEMA 6 IP67 NEMA 4
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 connector
Device grade
Extra heavy-duty industrial specification grade
Face/body material
Nylon
Material
Santoprene thermoplastic elastomeric
Special features
Watertight
Type
Locking connector
Feature: Watertight and rugged IP67 protection combined with NEMA compatibility provides reliable operation in harsh environments. Business Impact: Reduces moisture ingress and corrosion-related failures, extending asset life and lowering maintenance costs. Application: Outdoor motors, conveyors, and washdown equipment benefit from dependable performance with minimal downtime. Long-tail keywords: watertight locking connector, IP67 power connector, NEMA 6P/NEMA 4X compatibility. Feature: Four-pole, four-wire configuration with back wiring simplifies field installations. Business Impact: Faster wiring, cleaner terminations, and reduced labor time on large installations. Application: Industrial panels and machine wiring in 277/480 V systems. Long-tail keywords: back wiring method, four-pole industrial connector, 277/480V wiring. Feature: 0.36-0.84 inch cord diameter support and 18-10 AWG conductors with 20A rating. Business Impact: Flexible cable compatibility reduces stock variety and accelerates replacements. Application: Standard power feeds for heavy equipment. Long-tail keywords: 18-10 AWG, cord diameter 0.36-0.84 in, 20A. Feature: Durable materials and contacts (Nylon body, Santoprene seal, nickel-plated brass). Business Impact: Enhanced resistance to wear and environmental stress, improving lifecycle costs. Application: Harsh environments with exposure to moisture, dust, and mechanical stress. Long-tail keywords: nylon face/body, Santoprene elastomer, nickel-plated brass contacts. Feature: RoHS compliant and cULus listed. Business Impact: Regulatory compliance supports safety certifications, reducing audit risk and enabling global deployment. Application: Industrial automation, OEM projects, and service centers. Long-tail keywords: RoHS compliant, cULus listed, industrial safety.
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FAQs
To install, mount the connector, strip conductors to the correct length, insert into the back-wiring terminals, and tighten to the 14-16 lbf-in torque range. Verify the seal is seated to maintain IP67 protection, and perform a continuity test before commissioning.
The L1920CWBK is a four-pole, four-wire locking connector rated for 20A at 277/480V, with a L19-20 NEMA configuration. This aligns with common industrial three-phase feeders and minimizes mis-wiring in demanding plants.
Yes. The unit is RoHS compliant and cULus Listed, providing regulatory alignment for global industrial applications and helping to simplify compliance documentation.
It is designed for harsh environments with IP67 protection and NEMA 6P/4X awareness, making it suitable for outdoors, washdowns, and areas with dust, moisture, and mechanical exposure.
The connector uses a nylon body with Santoprene seals and nickel-plated brass contacts, offering durability and corrosion resistance. It supports #18-10 AWG back-wired cables, 0.36-0.84 inch cord diameter, and is compatible with industrial power setups requiring reliable locking and sealing.