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Square D MA5IMA16 - Type MA 480VAC Surge Protector (160A)

Square D
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Square D MA5IMA16 is a Type MA surge protective device designed for protecting electrical systems from transient overvoltages. It is rated for 480VAC and 160A, providing Type 2 protection in a 3-phase configuration. The device measures 6.3 in (158.8 mm) x 3.3 in (82.8 mm) x 2.7 in (68.3 mm) and weighs 2.441 lb, featuring a terminal connection and compatibility with QO frames. 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 standards, with an operating temperature range of -13 to 158 °F (-25 to 70 °C). This device is suitable for industrial applications requiring robust surge suppression in panelboards and distribution systems.

Key Features & Specifications
  • Type: MA surge protective device
  • Voltage Rating: 480VAC
  • Current Rating: 160A
  • 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)
  • Weight: 2.441 lb
  • 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: Industrial surge suppression for panelboards and distribution systems
  • Protection: Type 2
  • Compatible Frames: QO
  • Phase: 3
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Connection: Terminal


Product Identification
  • GTIN: 785901652298