The Schneider Electric Square D QMQB4IMA24C is a TVSS (Transient Voltage Surge Suppressor) unit designed for robust protection of three-phase electrical systems. This unit operates within the 480Y/277V AC voltage class, providing a significant peak surge current rating of 240 kA to effectively mitigate damaging voltage transients. Its application is critical in environments where sensitive industrial equipment requires reliable safeguarding against power quality disturbances.

Technical details

• Series: QMQB
• Configuration: 3-Phase, 4-Wire
• Operating Voltage: 480Y/277V AC
• Peak Surge Current: 240 kA
• Protection Mode: Line-to-Line, Line-to-Neutral, Line-to-Ground, Neutral-to-Ground
• Connection Type: Hardwired
• Enclosure Rating: Suitable for industrial environments (verify specific NEMA rating against manufacturer datasheet)
• Indicator Status: Visual status indicators for operational health (verify specific type against manufacturer datasheet)

Applications & compatibility

This TVSS unit is commonly deployed in manufacturing facilities, data centers, and other industrial settings to protect critical loads such as motor control centers, programmable logic controllers (PLCs), variable frequency drives (VFDs), and sensitive electronic instrumentation. It is designed to integrate seamlessly into standard electrical distribution panels and systems operating at the specified voltage.

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 QMQB4IMA24C or contact our technical team for cross-reference assistance with compatible surge protection solutions.