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Square D MA4IMA16 - Surge Protection 480Y/277VAC 120A

Square D
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The Square D MA4IMA16 is a Type MA surge protection device from the SURGELOGIC family, designed to safeguard electrical systems from transient overvoltages. It operates at a voltage rating of 480Y/277VAC and a current rating of 120A, with a three-phase configuration. The unit measures 6.3 in (158.8 mm) x 3.3 in (82.8 mm) x 2.7 in (68.3 mm) (Height x Width x Depth), weighs 2 lb, and features terminal connections, with a temperature rating of -13–158 °F (-25–70 °C). It complies with UL 1449:ed. 4, UL 1283:ed. 5, CSA C22.2 No 8:1986, ANSI/IEEE C62.41, ANSI/IEEE C62.45, and NEC 285, and is certified to these standards along with REACH and ROHS. This device is compatible with QO frames and is intended for industrial surge protection applications.

Key Features & Specifications
  • Type: MA
  • Voltage Rating: 480Y/277VAC
  • Current Rating: 120A
  • Dimensions: 6.3 in (158.8 mm) x 3.3 in (82.8 mm) x 2.7 in (68.3 mm) (Height x Width x Depth)
  • Standards: UL 1449:ed. 4, UL 1283:ed. 5, CSA C22.2 No 8:1986, ANSI/IEEE C62.41, ANSI/IEEE C62.45, NEC 285
  • Applications: Surge Protection
  • Phase: 3
  • Connection: Terminal
  • Compatible Frames: QO
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Weight: 2 lb


Product Identification
  • UPC: 78590129298
  • GTIN: 00785901292982