Eaton L720PWBK Watertight locking plug - IP67
Part Number: L720PWBK
Quick Summary
The Eaton L720PWBK watertight locking plug provides secure, back-wired connections for industrial equipment in harsh environments. It helps mitigate downtime and water ingress risks in washdown and outdoor facilities by delivering robust sealing and reliable electrical performance. It carries IP67 protection along with RoHS compliance and cULus listing, ensuring dependable operation across demanding installations. Designed for L7-20 configurations with back wiring and Santoprene sealing, it supports fast, reliable field installs while lowering maintenance costs. Durable nickel-plated brass contacts and a nylon body further enhance long-term reliability in industrial automation projects. This combination of rugged construction and standard electrical ratings aligns with OEM requirements and procurement criteria.
Product Information
Extended Description
L720PWBK Eaton: Eaton Arrow Hart watertight locking plug, #18-10 AWG, 20A, Industrial, 277V, Back wiring, Black, Steel, Watertight, L7-20, Two-pole, Three-wire, Santoprene, 0.36 to 0.84 in, IP67
Product Name
Eaton Arrow Hart watertight locking plug
Catalog Number
L720PWBK
UPC
032664709616
Product Length/Depth
4.75 in
Product Height
3.75 in
Product Width
3.75 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
Grounding 3
Torque rating
14-16 lbf-inch
Voltage rating
277 V
Environmental resistance
NEMA 6 NEMA 4X IP67 NEMA 6P 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 plug
Device grade
Extra heavy-duty industrial specification grade
Face/body material
Nylon
Material
Santoprene
Special features
Watertight
Type
Locking plug
Feature: IP67 watertight sealing and back-wiring capability. Business Impact: Reduces water ingress, corrosion, and installation time, boosting overall equipment uptime. Application: Outdoor motors, pumps, and washdown-rated machinery in continuous-operation facilities. Feature: 20A, 277V, two-pole, three-wire configuration. Business Impact: Supports common industrial loads with proper current handling, lowering overcurrent risk and mis-matches. Application: L7-20 power connections for industrial automation equipment. Feature: Cord diameter range 0.36-0.84 in and back wiring method. Business Impact: Flexible wiring options and straightforward terminations improve field install speed and reduces wiring errors. Application: Hard-to-fit cables in compact controller enclosures. Feature: Environmental resistance covering NEMA 6, NEMA 4X, IP67, NEMA 6P, NEMA 4. Business Impact: Long service life in dusty, moist, and chemical-exposed environments, reducing maintenance cycles. Application: Harsh manufacturing floors and outdoor installations. Feature: Material and construction—nylon body, Santoprene seal, nickel-plated brass contacts. Business Impact: Enhanced durability, vibration resistance, and reliable contact performance under dynamic loads. Application: Heavy-duty industrial plugs in equipment hubs and control panels. Feature: Compliance and certifications—RoHS compliant, cULus listed. Business Impact: Regulatory alignment simplifies procurement and international deployments, lowering compliance risk. Application: Global OEMs and multi-site operations needing traceable certifications.
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FAQs
The L720PWBK supports the L7-20 NEMA configuration with a back-wiring method and #18-10 AWG conductors. Its 20A, 277V rating, 0.36-0.84 in cord diameter, and IP67 enclosure allow reliable connections for outdoor motors and washdown equipment while simplifying field terminations and reducing installation time.
Key specs include 20A amperage, 277V voltage, two-pole three-wire configuration, IP67 rating, and environmental resistance to NEMA 6/4X/6P/4. Nickel-plated brass contacts and a Santoprene seal on a nylon body deliver durable, vibration-resistant performance suitable for industrial automation and outdoor use.
Yes. The L720PWBK is RoHS compliant and cULus listed, supporting regulatory compliance across multiple regions. This reduces supplier risk, simplifies approval processes, and aligns with global OEM procurement standards for harsh-environment equipment.
Watertight locking plugs like the L720PWBK prevent water ingress and dust intrusion, dramatically lowering failure rates in washdown and outdoor environments. The locking mechanism also ensures a secure, vibration-resistant connection, minimizing maintenance interruptions and improving uptime for critical equipment.
The combination of IP67 protection, durable contact materials, and back-wiring convenience reduces maintenance frequency and installation labor. With a robust NEMA/L7-20 configuration and RoHS/cULus certifications, facilities experience lower downtime, predictable performance, and faster onboarding for new lines, driving lower lifecycle costs and increased asset utilization.