Leviton Type 1 Surge Arrester, 3-Phase 120/208V WYE / 240V Delta

Leviton Type 1 Surge Arrester, 3-Phase 120/208V WYE / 240V Delta

The Leviton is a Type 1 Surge Arrester engineered for 3 Phase 120/208V WYE systems, or 3 Phase Delta 240V systems, giving electrical contractors flexibility across common commercial and industrial service configurations. It is UL 1449 3rd Ed. listed and housed in a polycarbonate enclosure with UV inhibitors, offering durable protection against damaging voltage transients while standing up to sustained outdoor exposure. This device is offered in two model variants, 55208-ASA and 55240-ASA, to match the WYE or Delta configuration required at the point of installation.

Key Features

• Voltage Configurations: 3 Phase 120/208V WYE, or 3 Phase Delta 240V, covering both common service arrangements.
• Device Type: Surge — a Type 1 Surge Arrester suited for service entrance and distribution-level protection.
• Durable Construction: Polycarbonate enclosure with UV inhibitors resists sun exposure and weathering for long-term reliability.
• Model Options: Available as model 55208-ASA (120/208V WYE) or model 55240-ASA (240V Delta) to match the target electrical system.
• Standards Compliance: Tested and listed to UL 1449 3rd Edition, the governing safety standard for surge protective devices.

Certifications & Compliance

• UL 1449 3rd Edition Listed

Technical Specifications

• Device Type: Surge
• Available Models: 55208-ASA, 55240-ASA
• Enclosure Material: Polycarbonate with UV Inhibitors
• Standard: UL 1449 3rd Ed.
• list_batch: LEV-VARMACHINE-20260803

Typical Applications

• Commercial and Industrial Electrical Service Entrances
• Three-Phase WYE and Delta Distribution Systems
• Panelboard and Switchgear Surge Protection
• Outdoor and Weather-Exposed Electrical Enclosures
• New Construction and Electrical System Retrofits

Why Leviton?

Leviton builds this Type 1 Surge Arrester around a UL 1449 3rd Edition listed design, giving electrical professionals a documented safety standard to rely on for critical surge protection. The polycarbonate enclosure with UV inhibitors is built to hold up under outdoor conditions, helping maintain long-term performance at the service entrance. With dedicated models for both 120/208V WYE and 240V Delta systems, Leviton supports code-compliant surge protection across the electrical configurations professionals encounter most often.