Eaton 3764EX Locking Connector - Pro Grip, 50A cULus

Part Number: 3764EX
Manufacturer
Eaton
Part number
3764EX

Quick Summary

Eaton 3764EX locking connector delivers secure back-wired power connections for industrial equipment in harsh environments. This design addresses field wiring challenges, including misalignment and accidental disengagement, by using a robust Pro Grip locking mechanism. It carries cULus Listed and CSA certified marks, and supports wide operating temperatures and durable nylon construction, making it suitable for long service life in demanding plants. For panel builders and maintenance teams, this means faster, safer installations with consistent reliability. Leveraging its back-wiring capability and 0.44–1.06 in cord range, the 3764EX offers a practical balance of ease-of-use and rugged performance for high-current automation applications.

Product Information

Extended Description

3764EX Eaton: Eaton locking connector, #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 connector
Catalog Number
3764EX
UPC
032664663772
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 connector
Type
Locking connector
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 4
Number Of Poles
Three-pole
Color
Black Red
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
Feature: 50 A at 600 Vac and 250 Vdc rating enables handling high-current loads with a single connection, reducing the need for parallel junctions and improving overall panel efficiency. Business Impact: Improves power distribution reliability and compliance with industrial electrical specifications, lowering downtime and wiring footprint. Application: Motor drives, pumps, and heavy automation panels where current peaks occur. Feature: Pro Grip locking connector provides positive engagement and vibration resistance, minimizing accidental disconnects. Business Impact: Enhances uptime in demanding environments and reduces maintenance callbacks. Application: Robotic cells and conveyor systems subject to vibration or frequent door cycling. Feature: Back wiring method simplifies field terminations, speeding installation and reducing labor costs while maintaining secure connections. Business Impact: Shortens project schedules and improves installation accuracy in tight electrical cabinets. Application: Control panels and junction boxes with limited access. Feature: Wide cord diameter range 0.44 to 1.06 inches (11.1–26.0 mm) and #10–6 AWG wire suitability allow flexible wiring options, improving pre-build planning and on-site adaptability. Business Impact: Reduces part SKUs and enables standardization across multiple system configurations. Application: Panel assemblies and power distribution blocks in manufacturing lines. Feature: Glass-filled nylon body with a temperature range of -40 to 105 °C and a torque rating of 45 lbf-in ensures durable, long-life performance in industrial settings. Business Impact: Lower replacement cycles, better vibration and chemical resistance, and predictable torque for consistent terminations. Application: Enclosures, dusty plants, and outdoors where temperature swings occur.

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FAQs

Install with back-wiring terminals rated for #10-6 AWG wires. Ensure the conductor is fully seated and torque the contact to 45 in-lbf as specified. The Pro Grip locking feature maintains engagement, preventing accidental disengagement even in vibration-heavy equipment.
It is rated for 50 A and supports 600 Vac with a 250 Vdc rating. The wiring method is back, uses 3 poles with 4 wires including grounding, and accepts #10-6 AWG conductors.
Yes. The connector uses glass-filled nylon with a temperature range of -40 to 105 °C, a robust Pro Grip locking mechanism, and is rated for industrial applications, delivering reliable performance under vibration and wide ambient conditions.
The 3764EX is cULus Listed and CSA certified, ensuring compliance with common North American electrical safety standards for industrial components used in control panels and equipment housings.
The locking mechanism reduces disengagement-related downtime, back-wiring speeds installations, and the rugged nylon construction extends service life. Together, these factors lower maintenance costs and improve panel uptime over the product’s lifecycle.