Eaton L720CWBK Watertight Locking Connector - cULus Listed
Part Number: L720CWBK
Quick Summary
Eaton L720CWBK watertight locking connector delivers secure, back-wired connections for industrial equipment and outdoor installations. Too often, moisture ingress, corrosion, or back-wiring missteps cause downtime and costly troubleshooting in harsh environments. This unit is IP67 rated and NEMA 4X compatible, RoHS compliant, and cULus listed, providing robust protection and safety. In practice, these certifications translate to longer service life and fewer field failures in washdown zones and outdoor plants. For buyers, the ability to terminate #18-10 AWG with a 277V supply aligns with common control-panel practices, delivering predictable performance with minimal rework. Coupled with a manageable 1.025 lb weight, this connector supports efficient installation in tight spaces and busy industrial environments.
Product Information
Extended Description
L720CWBK Eaton: Eaton Arrow Hart watertight locking connector, #18-10 AWG, 20A, Industrial, 277V, Back wiring, Black, Watertight, L7-20, Two-pole, Three-wire, Santoprene thermoplastic elastomeric
Product Name
Eaton Arrow Hart watertight locking connector
Catalog Number
L720CWBK
UPC
032664709609
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
NEMA configuration
L7-20
Number Of Poles
Two-pole
Number of wires
Grounding 3
Torque rating
14-16 lbf-inch
Voltage rating
277 V
Environmental resistance
NEMA 4X IP67 NEMA 4 NEMA 6 NEMA 6P
Allowable wire size
#18-10 AWG
Wiring method
Back
Color
Black
Contact material
Nickel plated brass
Application
Industrial
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 IP67/NEMA 4X protection; Business Impact: Reduces moisture ingress and corrosion, extending device life and minimizing downtime in harsh environments; Application: Outdoor equipment, washdown areas, and process plants. Feature: L7-20 two-pole, three-wire configuration rated at 20A and 277V; Business Impact: Secure, vibration-resistant mating under normal industrial loads, enhancing reliability and safety; Application: Motors, pumps, and control panels in demanding facilities. Feature: Back wiring for #18-10 AWG conductors; Business Impact: Faster terminations with lower field termination error rates, shortening installation time and labor costs; Application: Field wiring in panels and junction boxes. Feature: Nickel-plated brass contacts; Business Impact: Low contact resistance and corrosion resistance improve long-term performance and reduce maintenance; Application: Frequent cycling environments and outdoor applications. Feature: Nylon body with Santoprene seals; Business Impact: Durable, chemical resistant housing that withstands temperature fluctuations and harsh chemicals; Application: Industrial machines and equipment enclosures. Feature: Torque rating of 14-16 lbf-in; Business Impact: Ensures proper mating force and electrical integrity, reducing retorque needs and rework; Application: Field installations with regulatory torque requirements. Feature: RoHS compliant and cULus listed; Business Impact: Simplifies compliance, procurement, and safety certifications, accelerating project approvals; Application: Regulated industrial environments and turnkey builds.
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FAQs
The L720CWBK supports back-wiring with #18-10 AWG conductors, enabling quick terminations in crowded panels. The 14-16 lbf-in torque rating helps ensure a proper connection, reducing the likelihood of loose terminations and rework in the field.
The connector is rated for 20A at 277V with an L7-20 two-pole, three-wire configuration, including a grounding conductor, suitable for industrial loads and motor/pump circuits.
Yes. It carries IP67 and NEMA 4X protection, along with NEMA 4, 6, and 6P compatibility, making it well-suited for washdown zones, outdoor installations, and harsh environments.
It is RoHS compliant and cULus listed, providing regulatory confidence and safer procurement for regulated industrial applications.
Nickel-plated brass contacts and Santoprene seals deliver low contact resistance, corrosion resistance, and reliable sealing over time, reducing maintenance frequency and enabling longer service life in challenging conditions.