The Schneider Electric Square D TVS4EMA32AISWT1 is a Type 1 surge protection device engineered for 3-phase, 4-wire electrical systems. This unit is part of the EMA series, designed to safeguard sensitive equipment from transient overvoltages. It offers a substantial surge current capacity, ensuring robust protection against damaging voltage spikes.

Technical details

• Series: EMA
• Surge Current Rating: 320 kA per phase
• System Voltage: 480Y/277 VAC
• Configuration: 3-pole, 4-wire
• Protection Type: Type 1 Surge Protection Device (SPD)
• Connection Type: Screw terminals
• Indicator: Visual status indicator
• Enclosure Rating: Suitable for indoor use

Applications & compatibility

This surge protection device is ideal for protecting critical electrical infrastructure in industrial settings, including manufacturing plants, data centers, and commercial buildings. It is commonly integrated into main electrical distribution panels and sub-panels to shield connected machinery and control systems from lightning strikes and utility-switching transients.

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 TVS4EMA32AISWT1 or contact our technical team for cross-reference assistance with compatible EMA series components.