The Schneider Electric Square D TVS8HEMA18SI is a Surge Protective Device (SPD) engineered for robust protection of electrical systems operating at 600Y/347V. This three-phase, three-wire device is designed to mitigate transient voltage surges, safeguarding sensitive equipment in demanding industrial environments. Its robust construction and advanced surge suppression technology make it a critical component for maintaining system integrity and preventing costly downtime.

Technical details

• Series: TVS
• Voltage Rating: 600Y/347V AC
• Phase Configuration: Three-phase, three-wire
• Surge Current Rating: 180 kA (per mode)
• Maximum Continuous Operating Voltage (MCOV): 396V AC
• Protection Modes: L-L, L-G, L-N
• Indicator: Visual status indicator
• Enclosure Type: NEMA 4X

Applications & compatibility

This surge protective device is commonly deployed in facilities requiring high levels of electrical system protection, including manufacturing plants, data centers, and utility substations. It is particularly suited for protecting critical loads such as motor control centers, variable frequency drives, and programmable logic controllers from damaging voltage transients caused by lightning strikes or utility switching.

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 TVS8HEMA18SI or contact our technical team for cross-reference assistance with compatible surge protection solutions.