The Schneider Electric Square D TVS4HEMA48A1 is a Surge Protection Device (SPD) engineered for robust protection in demanding industrial environments. This unit is specifically designed for 480Y/277V, 3-phase, 3-wire electrical systems, offering critical defense against transient voltage events. Its application is common in facilities requiring high reliability for sensitive electronic equipment and machinery.

Technical Details

• Series: Square D TVS
• Voltage Rating: 480Y/277V AC
• Phase: 3-Phase
• Wire Configuration: 3-Wire
• Surge Capacity: 480 kA (per mode)
• Protection Mode: Line-to-Neutral, Line-to-Line, Line-to-Ground, Neutral-to-Ground
• Enclosure Type: NEMA 4X (corrosion-resistant, watertight)
• Indicator: Visual status indicator for operational status

Applications & Compatibility

This SPD is ideal for protecting critical infrastructure in manufacturing plants, data centers, and commercial buildings where consistent power quality is paramount. It is commonly integrated into main service entrances, distribution panels, and critical equipment circuits to prevent damage from lightning strikes, utility switching, and other transient overvoltages.

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 TVS4HEMA48A1 or contact our technical team for cross-reference assistance with compatible surge protection solutions.