The Schneider Electric Square D TVS3EMA48A1 is a Type 1 Surge Protective Device (SPD) engineered for robust protection in three-phase electrical systems. This SPD is part of the EMA series, designed to mitigate transient overvoltages and safeguard sensitive equipment from damaging surges. Its application is critical in environments where power quality is paramount, ensuring operational continuity and equipment longevity.

Technical details

• Series: Square D EMA
• Type: Type 1 Surge Protective Device (SPD)
• Voltage Rating: 240/120V HLD (High Line-to-Neutral Voltage)
• Surge Current Capability: 480 kA (per phase)
• Configuration: 3-Phase, 4-Wire (3P4W)
• Protection Mode: Line-to-Line, Line-to-Neutral, Line-to-Ground, Neutral-to-Ground
• Indicator: Status indicator for operational status
• Enclosure: Heavy-duty enclosure suitable for industrial environments

Applications & compatibility

This surge protective device is commonly deployed in industrial facilities, commercial buildings, and data centers to protect critical electrical infrastructure. It is particularly effective in safeguarding motor control centers, HVAC systems, lighting controls, and IT equipment from lightning-induced surges and switching transients. The 3P4W configuration makes it suitable for a wide range of standard three-phase power distribution systems.

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 TVS3EMA48A1 or contact our technical team for cross-reference assistance with compatible EMA series components.