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Leviton R2120-B Type 1 Surge Protective Device, 120/240V AC, Split Phase

SKU: R2120-B 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

  • Protects critical systems (security, surveillance, networking) from damaging transient voltage and lightning-induced surges
  • Service‑entrance rated Type 1 protection for 120/240V AC split‑phase systems, ideal for main panels and subpanels
  • Minimizes downtime and replacement costs by diverting surge energy away from sensitive monitoring and access control equipment
  • Compact, panel‑mount design simplifies installation and integration into existing electrical infrastructure
  • Reliable Leviton engineering (R2120-B) for consistent protection of cameras, NVRs, switches, and building automation

Quick Specifications

Product Model
R2120-B
Brand Name
Leviton
Manufacturer Part Number
R2120-B
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Product information

R2120-B

Overview

Protect critical security and IT infrastructure from costly power surges with the Leviton R2120-B Type 1 Surge Protective Device. Engineered for 120/240V AC split‑phase service, this surge protection module delivers robust, service‑entrance rated defense for main panels and subpanels, keeping surveillance cameras, access control, network switches and monitoring systems online and protected. The R2120-B diverts dangerous transient energy away from sensitive electronics, reducing equipment failure, system downtime and maintenance expenses. Its compact, panel‑mount form factor simplifies installation during new builds or retrofit projects and integrates cleanly with existing electrical and low‑voltage layouts. Built by Leviton for use in commercial and industrial environments, the device is particularly well suited for security, surveillance and networking applications where continuous operation is critical. Specify the Leviton R2120-B to strengthen site resilience against surges and ensure reliable operation of surveillance, monitoring and IT equipment. Order today or contact your Leviton supplier to include this Type 1 SPD in your next security or electrical system deployment.

Features

  • Protects critical systems (security, surveillance, networking) from damaging transient voltage and lightning-induced surges
  • Service‑entrance rated Type 1 protection for 120/240V AC split‑phase systems, ideal for main panels and subpanels
  • Minimizes downtime and replacement costs by diverting surge energy away from sensitive monitoring and access control equipment
  • Compact, panel‑mount design simplifies installation and integration into existing electrical infrastructure
  • Reliable Leviton engineering (R2120-B) for consistent protection of cameras, NVRs, switches, and building automation
2 of 2 specifications
Technical specifications for Leviton R2120-B Type 1 Surge Protective Device, 120/240V AC, Split Phase
General Information
Brand Name Leviton
Manufacturer Part Number R2120-B

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SKU:
R2120-B
Manufacturer part:
R2120-B
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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 R2120-B Type 1 Surge Protective Device, 120/240V AC, Split Phase

R2120-B

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