The Schneider Electric Square D TVS4HEMA20A1 Surge Protection Device (SPD) is engineered to safeguard critical electrical infrastructure within 3-phase, 4-wire systems. This device is specifically designed for applications operating at 480Y/277 VAC, providing essential defense against damaging power surges and transient voltage events. Its robust construction ensures the protection of sensitive electronic components and machinery, contributing to operational continuity and system reliability.

Technical Details

• Series: Square D TVS
• Application: 3-Phase, 4-Wire
• Operating Voltage: 480Y/277 VAC
• Maximum Surge Current: 200 kA per phase
• Protection Type: Surge Protection Device (SPD)
• Enclosure Type: HEMA (likely indicating a specific form factor or mounting style, verify with datasheet)
• Nominal Discharge Current (In): Not specified, recommend verifying with manufacturer datasheet
• Maximum Continuous Operating Voltage (Uc): Not specified, recommend verifying with manufacturer datasheet

Applications & Compatibility

This surge protection device is ideal for protecting electrical systems in demanding industrial environments such as manufacturing plants, data centers, and critical infrastructure facilities. It is commonly integrated into control panels, motor control centers (MCCs), and power distribution systems where reliable operation and equipment longevity are paramount. The TVS4HEMA20A1 is designed to be compatible with standard 480Y/277 VAC electrical distribution networks.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider Electric Square D TVS4HEMA20A1 or contact our technical team for cross-reference assistance with compatible surge protection solutions.