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FI4IMA16C

Square D
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Square D FI4IMA16C is a surge protective device designed to safeguard industrial and commercial power distribution systems from transient voltage surges. It operates on a 480Y/277V, 3-phase, 4-wire electrical system with a 160kA surge current rating and features LI (Long-Time and Instantaneous) functions for precise protection. This unit weighs 23 lb and utilizes a 3-pole I-Line style plug-in connection for easy retrofit into Square D circuit breaker panels. It is UL Listed, ensuring compliance with rigorous safety and performance standards. Typical applications include protecting sensitive equipment in industrial facilities and commercial buildings from power surges.

Key Features & Specifications
  • Manufacturer: Square D
  • Part Number: FI4IMA16C
  • Category: Surge Protective Device (SPD)
  • Family: SURGELOGIC
  • Section: Surge Protection
  • Functions: LI - Long-Time and Instantaneous
  • Poles: 3
  • Connection: I-Line Style Plug-In
  • Protection: Thermal Magnetic
  • Weight: 23 lb
  • Voltage Rating: 480Y/277V
  • Phase: 3-Phase
  • Wiring: 4-Wire
  • Surge Current Rating: 160kA
  • Mounting: I-Line Circuit Breaker Panel Retrofit
  • Interrupt Rating: 160kA
  • Certifications: UL Listed
  • Application: Industrial/Commercial Power Distribution


Square D FI4IMA16C - Surge Protective Device 160kA (480Y/277V)