The Schneider Electric Square D TVS4HEMA20SI is a Surge Protective Device (SPD) engineered for robust protection in 277/480V three-phase, three-wire electrical systems. This SPD is designed to mitigate transient overvoltages, safeguarding sensitive industrial equipment from damage and ensuring operational continuity. Its construction is optimized for demanding environments where reliable power quality is paramount.

Technical Details

• Series: TVS
• Voltage Rating: 277/480V AC
• System Configuration: Three-phase, three-wire
• Protection Modes: Line-to-Neutral (L-N), Line-to-Ground (L-G), Line-to-Line (L-L), and Neutral-to-Ground (N-G)
• Nominal Discharge Current: 20 kA
• Maximum Discharge Current: 40 kA
• Protection Level (Up): 1500V (L-N), 1500V (L-L), 1500V (L-G), 1500V (N-G)
• Indicator: Visual status indicator

Applications & Compatibility

This Schneider Electric Square D SPD is suitable for protecting electrical infrastructure in facilities such as manufacturing plants, data centers, and commercial buildings. It is commonly integrated into main distribution panels, sub-panels, and point-of-use applications to shield critical loads like motor control centers, variable frequency drives, and programmable logic controllers from damaging surges.

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 TVS4HEMA20SI or contact our technical team for cross-reference assistance with compatible surge protection components.