Eaton L520CW watertight locking connector - IP67
Part Number: L520CW
Quick Summary
Eaton L520CW watertight locking connector provides secure, IP67-rated power connections for industrial environments. This design helps engineers mitigate moisture ingress and corrosion that typically disrupts production and increases maintenance costs. It carries UL Listed, CSA certified, NOM, and cULus Listed protections, ensuring code compliance and safety across North American sites. With back-wiring for #18-10 AWG and a two-pole, grounding 3-wire layout, it enables faster field terminations and reliable, long-term performance in harsh conditions. The yellow nylon housing, nickel-plated brass contacts, and Santoprene elastomeric seal combine to deliver robust durability while supporting scalable, preventive maintenance programs and safer installation practices.
Product Information
Extended Description
L520CW Eaton: Eaton Arrow Hart watertight locking connector, #18-10 AWG, 20A, Industrial, 125V, Back wiring, Yellow, Steel, Watertight, L5-20, Two-pole, Three-wire, Santoprene thermoplastic elastomeric, 0.36 to 0.84 in, IP67
Product Name
Eaton Arrow Hart watertight locking connector
Catalog Number
L520CW
UPC
040893641829
Product Length/Depth
6.61 in
Product Height
3.87 in
Product Width
4.37 in
Product Weight
1.025 lb
Compliances
RoHS Compliant
Certifications
UL Listed CSA certified NOM cULus Listed
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 6 IP67 NEMA 4 NEMA 6P 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 connector
Device grade
Extra heavy-duty industrial specification grade
Face/body material
Nylon
Material
Santoprene thermoplastic elastomeric
Special features
Watertight
Type
Locking connector
Wiring Devices Buyer’s Guide
Eaton Specification Sheet - L520CW
Eaton Specification Sheet - L520CW
Watertight protection translates directly to reduced downtime and extended equipment life in outdoor and washdown environments. The IP67 rating combined with NEMA compatibility limits moisture and dust ingress, safeguarding sensitive electrical connections and lowering maintenance costs over the life of the system. The locking mechanism secures connections in vibration-prone applications, improving reliability for portable machinery, generators, and outdoor electronics. Back wiring for #18-10 AWG simplifies on-site terminations, cutting wiring time and minimizing field errors while enabling consistent terminations in control panels and enclosures. Nickel-plated brass contacts deliver dependable conductivity and longevity under cycling and mechanical stress, which reduces re-termination events and signal integrity issues in demanding industrial networks. Santoprene thermoplastic elastomeric sealing compounds enhance chemical resistance and flexibility, supporting longer service intervals in environments with oils, coolants, or solvents. The rugged nylon housing and yellow finish improve visibility and ease of inspection, aligning with industrial maintenance workflows and visual safety standards. Overall, the L520CW combines rugged build quality with installation efficiency to deliver a compelling total cost of ownership advantage for OEMs and end users.
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FAQs
The L520CW supports back wiring for #18-10 AWG conductors. Confirm enclosure is dry before wiring, thread the terminals per catalog torque of 14-16 lbf-in, and secure the locking connection to prevent vibration-induced disengagement. Use appropriate strain relief and sealants as required by your installation to maintain IP67 integrity and meet safety standards.
The connector is rated for 20A at 125V, with a two-pole NEMA L5-20 configuration and IP67 environmental protection. It accommodates 3 wires including ground, and features nickel-plated brass contacts with a Santoprene elastomer seal. These specs support reliable operation in wet or dusty industrial settings while meeting UL Listed and CSA/NOM/cULus certifications.
Yes. With IP67 protection, corrosion-resistant contacts, and a yellow nylon housing, the L520CW is designed for outdoor, washdown, and harsh industrial environments. Its locking mechanism prevents accidental disconnection in vibro-heavy applications, ensuring continuous power delivery to equipment like pumps, conveyors, and outdoor robotics.
The L520CW carries UL Listed, CSA certified, NOM, and cULus Listed certifications, along with RoHS compliance. These certifications indicate conformance to safety and environmental regulations across North America, simplifying procurement for regulated industries and helping maintain regulatory compliance in OEM and integration projects.
Field terminations are streamlined by back wiring, reducing labor time and rework. The rugged contact materials and sealing system minimize corrosion and wear, lowering replacement frequency. The combination of IP67 protection, locking mechanism, and durable housing supports longer service intervals, translating to lower total cost of ownership for capital equipment and service contracts.