The Schneider Electric Square D TVS4EMA12AIC is a Transient Voltage Surge Suppressor (TVSS) designed for robust protection of 480Y/277V, 3-phase, 4-wire electrical systems. This device is engineered to mitigate damaging voltage transients, ensuring the operational integrity of sensitive industrial equipment. Its application is critical in environments prone to electrical disturbances, safeguarding against costly downtime and component failure.

Technical details

• Series: TVS (Transient Voltage Suppressor)
• System Voltage: 480Y/277V AC
• Phase Configuration: 3-Phase, 4-Wire
• Peak Surge Current Rating: 120 kA per mode
• Maximum Continuous Operating Voltage (MCOV): 300V AC
• Protection Modes: L-L, L-G, N-G
• Indicator: Visual status indicator
• Enclosure Type: NEMA 4X

Applications & compatibility

This TVSS is suitable for protecting critical loads in manufacturing facilities, data centers, and commercial buildings. It is commonly deployed in conjunction with motor control centers (MCCs), variable frequency drives (VFDs), and sensitive electronic control systems to prevent damage from lightning strikes and internal 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 TVS4EMA12AIC or contact our technical team for cross-reference assistance with compatible surge protection solutions.