Eaton 3763EX Locking Plug - Pro Grip 50A 600VAC cULus Listed
Part Number: 3763EX
Quick Summary
The Eaton 3763EX Locking Plug provides secure electrical connections for industrial machinery in demanding factory environments. Vibration and frequent disconnections from standard connectors drive downtime and safety risks in heavy industry equipment. It carries cULus Listed and CSA certified markings, aligning with North American electrical safety standards. Designed for Pro Grip and back wiring, it supports a broad cord diameter range and easy field installation. In short, you gain reliability, safety, and faster commissioning for high-demand productions. Constructed from glass-filled nylon, it withstands rugged environments. The torque rating of 45 lbf-in supports secure connections.
Product Information
Extended Description
3763EX Eaton: Eaton locking plug, #10-6 AWG, 50A, Industrial, 600 Vac, 250Vdc, Back wiring, Black, red, Pro grip, Non-NEMA, Two-pole, Three-wire, grounding, Nylon, 0.44 to 1.06 in
Product Name
Eaton Arrow Hart pro grip California standard locking plug
Catalog Number
3763EX
UPC
032664663765
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
Grounding 3
Number Of Poles
Two-pole
Color
Red Black
Cord diameter
0.44-1.06 in (11.1-26.0 mm)
Material
Glass filled 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 - 3763EX
Feature → Pro Grip locking mechanism provides positive retention under vibration, reducing accidental disconnects and downtime. This translates to higher line availability for heavy equipment such as presses and CNC systems in manufacturing floors. Feature → High amperage and voltage ratings enable single, robust power feeds for motors and welders, reducing wiring complexity and inventory. In practice, technicians achieve faster commissioning with fewer connectors and easier fault isolation. Feature → Back wiring with grounding and a three-wire configuration simplifies field terminations and enhances safety, while locking design minimizes pull-out risk during equipment movement. This is valuable in robotics, material handling, and automation cabinets. Feature → Glass-filled nylon body and zinc-plated brass contacts resist impact and corrosion, with an operating range of -40 to 105 °C, ideal for outdoor enclosures and harsh indoor environments. Feature → Cord diameter range 0.44 to 1.06 inches and a torque rating of 45 lbf-in enable consistent, repeatable assemblies across wire sizes. Feature → Certifications and non-NEMA configuration support compliance with North American standards, easing procurement for spec-driven projects.
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FAQs
The 3763EX locking plug is designed for #10-6 AWG conductors with back wiring, two-pole, three-wire grounding, and a cord diameter range of 0.44 to 1.06 inches. It is a non-NEMA locking device and supports 50 A at 600 VAC, with compatibility focused on industrial machinery, control panels, and power distribution in automation environments.
Rated for 50 A and 600 VAC with a 250 VDC rating, the plug also specifies a -40 to 105 °C operating temperature range. It uses zinc-plated brass contacts in a glass-filled nylon body, ensuring reliable performance in harsh factory settings and outdoor enclosures. The back-wiring method aids secure terminations.
Ideal for industrial automation, control panels, motors, conveyors, welding equipment, and robotics cells where vibration, frequent disconnects, and high-load demands are common. The Pro Grip design and robust materials provide reliable power delivery in manufacturing floors, machine centers, and heavy-duty material handling applications.
The 3763EX carries cULus Listed and CSA certified markings, aligning with North American electrical safety standards. These certifications help meet regulatory requirements for equipment installed in industrial facilities and support procurement where compliance is mandatory.
Installation is accelerated by back wiring, a straightforward two-pole, three-wire configuration, and a locking mechanism that resists vibration-induced disconnection. This reduces downtime, minimizes rework, lowers spare-parts inventory, and delivers a faster return on investment for mission-critical automation systems.