Product Description
Eaton Arrow Hart Pro Grip CS8164EX Locking Connector is an extra heavy-duty, California-standard, non-NEMA connector built for demanding industrial sites. Rated 50A at 3Ø 480V, it features back wiring, a three-pole, four-wire (grounding) design, and a rugged glass-filled nylon housing with Pro Grip body for secure handling. Specs verified from the Eaton specification sheet.
Key Specs
- Amperage/Voltage: 50A, 3Ø 480V
- Configuration: California standard, Non-NEMA
- Poles/Wires: 3-pole / 4-wire (grounding)
- Wiring Method: Back wiring
- Cord Diameter: 0.44–1.06 in (11.1–26.0 mm)
- Materials: Glass-filled nylon body; zinc-plated brass contacts
- Operating Temp: −40 to 105 °C (−40 to 221 °F)
- Color: Black/Red Pro Grip housing
Why Buy Here?
- Free shipping on orders over $250
- Fast handling & expert spec support
- Commercial invoicing & tax-exempt available
Product Benefits
- Industrial durability with extra heavy-duty, glass-filled nylon construction and zinc-plated brass contacts.
- Secure handling thanks to the textured Pro Grip body for safe connect/disconnect in the field.
- Wide cable range fits cords from 0.44 to 1.06 inches to cover common industrial whips.
- Code-ready with cULus and CSA certifications for North American installations.
Key Features
- California-standard, non-NEMA locking interface for 480V industrial equipment.
- 50A, 3-pole/4-wire (grounding) design supports three-phase loads.
- Back wiring terminations for quick assembly and reliable strain relief.
- Pro Grip housing in black/red for high visibility and better grip.
- High torque hardware: terminal torque rated to 45 lbf-in.
- Temperature-tough: −40 to 105 °C operating range.
Specifications
Technical Specs
| Catalog Number | CS8164EX |
| UPC | 032664663895 |
| Type | California-standard locking connector (Non-NEMA) |
| Amperage / Voltage | 50A / 3Ø 480V |
| Poles / Wires | 3 poles / 4 wires (grounding) |
| Device Grade | Extra heavy duty, industrial |
Physical Specs
| Body/Face Material | Glass-filled nylon (Pro Grip) |
| Contact Material | Zinc-plated brass |
| Color | Black / Red |
| Cord Diameter Range | 0.44–1.06 in (11.1–26.0 mm) |
| Dimensions (L × W × H) | 6.94 × 3.61 × 3.38 in |
| Weight | 1.05 lb |
Performance & Installation
| Wiring Method | Back wiring |
| Allowable Wire Size | #10–4 AWG |
| Terminal Torque | 45 lbf-in |
| Standards & Listings | cULus Listed, CSA certified |
| Operating Temperature | −40 to 105 °C (−40 to 221 °F) |
Application Examples
- Three-phase 480V machinery and portable equipment requiring a California-standard locking interface.
- Industrial plants, shipyards, and generator hookups needing extra heavy-duty connectors.
- Temporary power distribution where wide cord range and secure grip are critical.
- Maintenance teams standardizing on Pro Grip for safer handling and durability.
Installation Tips
- Verify the load and branch circuit are 3Ø 480V and that mating devices match the California-standard pattern.
- Use conductors within the specified range (#10–4 AWG) and tighten to 45 lbf-in terminal torque.
- Set cord clamp to the marked range for 0.44–1.06 in jacket diameter to maintain strain relief.
- Keep phase identification consistent across plug/receptacle/connector to prevent rotation issues.
- De-energize circuits and follow local codes and facility LOTO procedures before assembly.
Frequently Asked Questions
Is this a NEMA connector?
No. It is a California-standard, non-NEMA locking connector used widely for 480V industrial power.
What cable sizes does it accept?
The cord clamp and terminals accommodate #10–4 AWG conductors and 0.44–1.06 in overall cord diameter.
Can I use it on single-phase loads?
The device is designed for 3-pole/4-wire three-phase systems. Use only where the mating pattern and system requirements match.
What materials are used for durability?
A glass-filled nylon Pro Grip body with zinc-plated brass contacts provides strength, heat resistance, and conductivity.
Is it listed for code compliance?
Yes. It is cULus Listed and CSA certified for North America.
What is the operating temperature range?
It’s rated from −40 to 105 °C (−40 to 221 °F) for harsh environments.
