Eaton L720CW Watertight Locking Connector - IP67
Part Number: L720CW
Quick Summary
The Eaton L720CW watertight locking connector provides rugged power connections for industrial equipment in harsh environments. In wet or dusty facilities, conventional fittings can fail to seal, causing downtime and safety risks. It meets IP67 environmental protection and RoHS compliance while carrying a 20A, 277V rating, with cULus listing. This combination delivers reliable, code-compliant connectivity while reducing wiring mistakes and maintenance costs over the life of the system. Our design prioritizes compatibility with back-wiring and common 18-10 AWG conductors, simplifying installation. With robust materials and proven sealing, technicians gain predictable performance, quicker changes, and longer service intervals. This combination of features supports reliability-centered maintenance programs and helps meet stringent safety and environmental standards.
Product Information
Extended Description
L720CW Eaton: Eaton Arrow Hart watertight locking connector, #18-10 AWG, 20A, Industrial, 277V, Back wiring, Yellow, Steel, Watertight, L7-20, Two-pole, Three-wire, Santoprene thermoplastic elastomeric, 0.36 to 0.84 in, IP67
Product Name
Eaton Arrow Hart watertight locking connector
Catalog Number
L720CW
UPC
040893641843
Product Length/Depth
6.86 in
Product Height
3.93 in
Product Width
4.42 in
Product Weight
1.025 lb
Compliances
RoHS Compliant
Certifications
cULus Listed
Amperage Rating
20A
Degree of protection
IP67
NEMA configuration
L7-20
Number Of Poles
Two-pole
Number of wires
3 Grounding
Torque rating
14-16 lbf-inch
Voltage rating
277 V
Environmental resistance
NEMA 4X NEMA 6 NEMA 6P NEMA 4 IP67
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
Watertight locking design provides IP67 and enclosure protection for power connections, keeping moisture and contaminants out of critical joints and preventing corrosion of the contacts. This directly reduces field failures, extends connector life, and lowers maintenance costs in harsh environments. The L720CW is well-suited for industrial equipment, outdoor machinery, and washdown areas where reliable power delivery is essential. Two-pole, three-wire configuration with L7-20 standards supports 20A at 277V and uses a secure locking mechanism to resist vibration and accidental disconnection. The back wiring option simplifies field terminations and minimizes installation errors, while a torque rating of 14-16 in-lbf ensures a proper seal without over-tightening. This combination delivers dependable connections for motors, pumps, conveyors, and other demanding loads in challenging facilities. Durable materials include a Nylon face/body, nickel-plated brass contacts, and a Santoprene elastomeric seal. These choices deliver abrasion resistance, chemical tolerance, and long-term corrosion resistance in production floors, chemical plants, and outdoor installations. The yellow color aids quick identification in complex cable layouts and reduces mis-wiring risk during maintenance. The design also supports ease of inspection and replacement when service intervals occur. Environmental resistance covers NEMA 4X, NEMA 6, NEMA 6P, and IP67, supporting both indoor and outdoor use in wet, dusty, or washdown conditions. Operators gain fewer enclosure-related faults and less downtime due to ingress, while technicians appreciate standardized mounting and compatibility with common electrical boxes. This makes the L720CW a strong fit for conveyors, mixers, and power distribution cabinets in diverse facilities. Compliance and traceability are supported by RoHS compliance and cULus listing, aligning with stringent safety and environmental standards. For project engineers, this reduces regulatory risk and speeds approvals, while procurement benefits from a standardized, readily available component with predictable lead times and parts availability. The connector is designed for industrial uptime and long service life. Compatibility and installation advantages include back wiring for #18-10 AWG conductors, a wire-diameter range of 0.36-0.84 inches, and a product length of 6.86 inches. The color yellow enhances visibility in crowded panels, while the 1.025 lb weight supports secure mounting without excessive strain. Overall, the L720CW combines rugged construction with straightforward termination to minimize commissioning time and maximize uptime.
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FAQs
The L720CW supports back wiring for #18-10 AWG conductors, enabling straightforward terminations in crowded panels. The torque rating is 14-16 in-lbf to ensure a proper seal without over-tightening. When terminating, ensure insulation is fully seated and use appropriate strain relief to maintain long-term reliability.
The connector is rated for 20A at 277V, with a two-pole, three-wire configuration conforming to the L7-20 NEMA standard. It uses a locking mechanism to resist disconnection, supports back wiring, and is designed for industrial motors, pumps, and other equipment requiring secure, high-integrity power connections.
Yes. The L720CW delivers IP67 protection along with NEMA 4X, 6, and 6P ratings, making it appropriate for wet, dusty, and washdown environments. Its nylon body, nickel-plated brass contacts, and Santoprene seal resist corrosion and chemical exposure, improving uptime in harsh facilities.
The L720CW is RoHS compliant and cULus Listed, providing regulatory assurance for safety and environmental standards. Its IP67 rating and NEMA protection further support compliance for installations in challenging conditions and under audits.
By reducing ingress-related faults, enabling back wiring for quick terminations, and using durable materials, the L720CW lowers maintenance frequency and repair costs. The secure locking mechanism minimizes downtime due to disconnections, offering measurable increases in uptime and a favorable total cost of ownership over the product life cycle.