Cooper Wiring Devices L1530C L...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$64.46
Eaton Arrow Hart Ultra Grip Locking Connector 30A 250V L15-30 Three-Pole Four-Wire Industrial Grade

Cooper Wiring Devices L1530C L15-30 Locking Connector, 30A 250V Three-Pole Four-Wire

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Model: L1530C

In Stock (leaves warehouse same day if ordered before 3pm ET)

$64.46
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Cooper Wiring Devices L1530C L15-30 Locking Connector, 30A 250V Three-Pole Four-Wire

The Cooper Wiring Devices L1530C Ultra Grip L15-30 locking connector delivers reliable 30A, 250V three-pole four-wire power connection for demanding industrial applications. Built with thermoplastic construction and brass contacts, this commercial-grade connector features a watertight locking design rated for operating temperatures from -20 to 60°C (-4 to 140°F).

Key Features

  • L15-30 NEMA Configuration: Three-pole, four-wire design for compatibility with industrial power systems.
  • 30A, 3Ø 250V Rating: Handles substantial power loads for industrial equipment and machinery.
  • Durable Construction: Thermoplastic face and body offer chemical resistance and durability in industrial environments.
  • Brass Contacts: Deliver excellent conductivity and corrosion resistance for long-term reliability.
  • Watertight Locking Receptacle: Protects the connection against moisture and environmental contaminants.
  • Cord Diameter Range: Accommodates 0.25-0.69 in (6.4 mm-17.5 mm) cord diameters.
  • Wide Operating Range: Functions reliably from -20 to 60°C (-4 to 140°F).
  • Commercial Device Grade: Built to professional standards in black thermoplastic housing for demanding commercial and industrial use.

Technical Specifications

  • Amperage Rating: 30A
  • Number Of Wires: 4
  • Voltage Rating: 3Ø 250 V
  • Nema Configuration: L15-30
  • Number Of Poles: Three-pole
  • Contact Material: Brass
  • Face Body Material: Thermoplastic
  • Product Color: Black
  • Operating Temperature: -20 to 60 °C (-4 to 140 °F)

Typical Applications

  • Industrial Manufacturing Equipment
  • Commercial Kitchen Appliances
  • Heavy-Duty Power Tools
  • Welding Equipment Connections
  • Portable Generator Interfaces
  • Construction Site Power Distribution

Why Cooper Wiring Devices?

Cooper Wiring Devices connectors provide proven reliability with commercial-grade thermoplastic construction and brass contacts. The watertight locking design and wide -20 to 60°C operating range ensure long-term, code-compliant performance in demanding industrial environments.

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Manufacturer Resources

Product Specs

Amperage Rating:
30A
Application:
Industrial
Contact Material:
Brass
Cord Diameter:
0.25-0.69 in (6.4 mm-17.5 mm)
Design Type:
Standard locking connector
Device Grade:
Commercial
Face Body Material:
Thermoplastic
Nema Configuration:
L15-30
Number Of Poles:
Three-pole
Number Of Wires:
4
Operating Temperature:
-20 to 60 °C (-4 to 140 °F)
Product Color:
Black
Product Details:
Locking connector
Product Material:
Thermoplastic
Special Features:
Watertight locking receptacle
Voltage Rating:
3Ø 250 V
Wiring Method:
Back
Product Type:
Locking Connector
Product Group:
Wiring Devices
Department:
Electrical
Product Subgroup:
Plugs & Connectors
Product Width:
2.04 in
Certifications:
UL Listed
Allowable Wire Size:
#18-10 AWG
Product Height:
3.95 in
Product Weight:
0.3 lb
Product Length:
2.04 in
Face/body material:
Thermoplastic

Cooper Wiring Devices L1530C – Frequently Asked Questions

1) What size cord can I terminate in this L15-30 connector?
The clamp accepts cord outside diameters from 0.25 to 0.69 in (6.4 mm to 17.5 mm), which covers typical 10 AWG four-conductor SO/SOOW cord used on a 30A three-phase drop. Wiring is back-wired, so conductors land from the rear of the body.
2) Is this connector OK outdoors or in a wash-down area?
It is built as a watertight locking receptacle with a thermoplastic face and body, so the mated connection is protected against moisture and contaminants. Operating range is -20 to 60 C (-4 to 140 F), which covers unheated plant space and jobsite use. Watertight performance depends on being mated with a matching plug and on the cord grip being tightened on a cord within the 0.25 to 0.69 in range.
3) Will a Leviton 2323 locking connector work in place of the Cooper L1530C?
No. The Leviton 2323 is a 5-wire 4-pole industrial grade locking connector rated 20A, while the Cooper Wiring Devices L1530C is a three-pole four-wire device rated 30A at 3-phase 250V. The pole and wire count differ, so the blade patterns will not mate, and the 20A rating is below the 30A circuit the L1530C is intended for. Use the 2323 only where a 4-pole 5-wire 20A configuration is specified.
4) Is commercial grade good enough for a plant floor, or should I buy industrial grade?
The L1530C is a commercial device grade connector with brass contacts and a thermoplastic housing, intended for industrial applications like manufacturing equipment, welders and generator interfaces. If your spec calls out industrial or specification grade specifically, the Eaton 7506 L1-15 connector is listed as extra heavy-duty industrial specification grade, and Leviton's locking connectors (for example the 2413 four-wire three-pole 125/250V) are industrial grade. Those are different configurations though, so match the NEMA config first and grade second.
5) I need a non-metallic locking connector body - how does that compare to the Cooper L1530C?
The Cooper Wiring Devices L1530C already uses a thermoplastic face and body in black, so it is a non-metallic device, with brass contacts and a watertight locking design. If your standard is Bryant, the 71020NC is a 7 Series non-metallic NEMA locking connector and the Bryant 705 Series connector (P468365) covers NEMA twist-lock configurations. With any of these, verify the specific NEMA configuration matches L15-30 before substituting.
6) For generator and welder cord sets in wet or outdoor conditions, is the Cooper L1530C the right choice over the other locking connectors?
The Cooper Wiring Devices L1530C is built for industrial application with a watertight locking receptacle, an operating range of -20 to 60 C (-4 to 140 F), and a cord diameter capacity of 0.25 to 0.69 in (6.4 mm to 17.5 mm), which suits portable generator and welding connections on three-phase 250V equipment. For single-phase welders and generator outlets, the Eaton Ultra Grip EAT-L530C two-pole three-wire L6-30 connector or the Eaton L14-20 Ultra-Grip connector covers those configurations instead. The deciding factor is the NEMA configuration on the equipment, not the environment rating.
7) Will the thermoplastic body hold up around cutting oils and solvents?
Face and body are thermoplastic, which gives chemical resistance and impact durability in shop environments, and the contacts are brass for conductivity and corrosion resistance. The housing is black. For non-metallic bodies from another brand, Bryant's 7 Series 71020NC is a non-metallic NEMA locking connector.
8) What part number do I order for the Cooper L15-30 connector?
Order Cooper Wiring Devices L1530C, the Ultra Grip L15-30 locking connector, 30A 3-phase 250V, three-pole four-wire, black. It ships as a single connector body in one amperage, 30A, so there are no options to specify beyond the cord you are terminating.
How fast can I get the Cooper Wiring Devices L1530C delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Cooper Wiring Devices L1530C come with a warranty?
Absolutely. The Cooper Wiring Devices L1530C is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Cooper Wiring Devices L1530C?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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