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Leviton 3521-C Connectors, EB PLG LCK 4PO5WI NONEMA20A250V 10A600V

SKU: 3521-C Leviton

Special Order: typically 2–6 weeks

Ships directly from the manufacturer. This is an estimated lead time, not a guaranteed delivery date.

Availability can change and lead times may be longer. If your project has a deadline, check with us before ordering.

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Key Features

  • Ensures secure, lock-in power connections to prevent accidental disconnects in security and surveillance installations
  • One-piece contacts reduce friction and overheating for longer service life and reliable performance
  • Cord clamp accepts a wide range of cord sizes, simplifying inventory and installation across multiple devices
  • Rugged nylon housing resists impact, sunlight and chemicals for dependable outdoor and industrial use
  • Rated for 20A/250V and 10A/600V applications, supporting diverse power distribution needs in monitoring and networking systems

Quick Specifications

Product Model
3521-C
Brand Name
Leviton
Manufacturer Part Number
3521-C
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Product information

3521-C

Overview

Keep critical systems powered with the Leviton 3521-C locking power plug — a dependable connector engineered for demanding security, surveillance and monitoring environments. This Leviton power plug delivers a secure, lock-in connection that prevents accidental disconnects on cameras, DVRs, access control panels and other mission-critical equipment. Built with one-piece contacts to reduce friction and overheating, the 3521-C improves reliability and extends contact life under continuous use. The unique cord clamp accepts a wide range of cord sizes, reducing installation time and the need for multiple connector types across your deployments. Constructed from rugged nylon, the connector resists impact, sunlight and chemicals, making it ideal for outdoor camera housings, perimeter security systems and industrial monitoring setups. Rated for 20A/250V and 10A/600V applications, the 3521-C supports versatile power distribution requirements across low-voltage security and higher-voltage industrial equipment. Specify Leviton 3521-C (PN 3521-C) when you need a locking power plug that combines safety, durability and installation flexibility. Order now to secure power reliability for your next security or surveillance project.

Features

  • Ensures secure, lock-in power connections to prevent accidental disconnects in security and surveillance installations
  • One-piece contacts reduce friction and overheating for longer service life and reliable performance
  • Cord clamp accepts a wide range of cord sizes, simplifying inventory and installation across multiple devices
  • Rugged nylon housing resists impact, sunlight and chemicals for dependable outdoor and industrial use
  • Rated for 20A/250V and 10A/600V applications, supporting diverse power distribution needs in monitoring and networking systems
2 of 2 specifications
Technical specifications for Leviton 3521-C Connectors, EB PLG LCK 4PO5WI NONEMA20A250V 10A600V
General Information
Brand Name Leviton
Manufacturer Part Number 3521-C

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SKU:
3521-C
Manufacturer part:
3521-C
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What should I know about returns?

Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.

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Leviton 3521-C Connectors, EB PLG LCK 4PO5WI NONEMA20A250V 10A600V

3521-C

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