Eaton 3765EX Locking Plug for Industrial Use - cULus Listed
Part Number: 3765EX
Quick Summary
Eaton 3765EX locking plug securely terminates industrial power cords for equipment in demanding facilities. This locking plug delivers a 50 A, 600 VAC / 250 VDC rating with back-wire terminals to simplify field terminations and reduce installation time. The unit is cULus Listed and CSA certified, signaling robust safety and regulatory compliance for North American operations. California standard Pro grip design enhances grip and prevents loosening under vibration, while the nylon body and 0.44 to 1.06 in cord diameter range support reliable, long-life connections. Operating temperature range from -40 to 105 °C broadens installation options in harsh plants, and the device supports #10-6 AWG conductors for flexible layouts.
Product Information
Extended Description
3765EX Eaton: Eaton locking plug, #10-6 AWG, 50A, Industrial, 600 Vac, 250Vdc, Back wiring, Black, red, Pro grip, Non-NEMA, Three-pole, Four-wire, grounding, Nylon, 0.44 to 1.06 in
Product Name
Eaton Arrow Hart pro grip California standard locking plug
Catalog Number
3765EX
UPC
032664663789
Product Length/Depth
6.94 in
Product Height
3.38 in
Product Width
3.61 in
Product Weight
1.05 lb
Certifications
cULus Listed CSA certified
Special features
Locking plug
Type
Locking plug
Amperage Rating
50 A
Voltage rating
600 Vac, 250 Vdc
Contact material
Zinc plated brass
Application
Industrial
Device grade
Extra heavy duty
Wiring method
Back
Number of wires
4 Grounding
Number Of Poles
Three-pole
Color
Red Black
Cord diameter
0.44-1.06 in (11.1-26.0 mm)
Material
Nylon
Operating temperature
-40 to 105 °C (-40 to 221 °F)
Allowable wire size
#10-6 AWG
NEMA configuration
Non-NEMA
Torque rating
45 lbf-inch
Design type
Pro grip
Face/body material
Glass filled nylon
Arrow Hart Buyers Guide Section C
Arrow Hart - Connecting Safety to Reliability since 1890
Eaton Specification Sheet - 3765EX
Feature → Business Impact → Application: 50 A, 600 VAC / 250 VDC rating enables handling of high-current loads typical in industrial machinery, reducing the need for multiple connectors and improving power reliability on the shop floor. This translates to measurable uptime gains and lower wiring complexity in panel assemblies and equipment carts. Application: use in heavy equipment and assembly lines where robust, back-wired terminations expedite installations and maintenance. Feature → Pro grip locking plug design removes ambiguity during assemblies, providing a secure connection that resists vibration-induced disengagement. Business impact: minimizes unscheduled downtime, lowers rework costs, and enhances field service efficiency. Application: conveyors, presses, and machining centers with persistent vibration.
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FAQs
The 3765EX is designed for back-wire termination with #10-6 AWG conductors, supporting a 3-pole, 4-wire configuration. This simplifies field terminations, reduces wiring errors, and speeds up panel assembly while maintaining a secure, code-compliant connection in industrial environments.
The 3765EX is cULus Listed and CSA certified, indicating compliance with North American safety standards. These marks help ensure regulatory acceptance in industrial facilities, provide traceable safety assurances for audits, and support risk reduction in mission-critical wiring installations.
Yes. The 3765EX is described as a California standard locking plug and features Pro grip design for secure engagement. This makes it a reliable choice for California-based installations and other North American applications requiring robust locking and non-NEMA configurations.
Key specs include 50 A, 600 VAC / 250 VDC ratings, back wiring, 0.44–1.06 in cord diameter, 3 poles with 4 conductors, and a nylon body with Pro Grip. It supports #10–6 AWG conductors, operating from -40 to 105 °C, with a torque rating of 45 lbf-in to ensure proper termination without over-tightening.
Pro Grip reduces the risk of accidental disconnections in vibration-prone environments, lowering maintenance calls and downtime. It also simplifies installation and inspection routines, contributing to faster commissioning, consistent electrical performance, and a lower total cost of ownership over the equipment’s service life.