Square D SSP04EMA12D - Surge Protection Device 120kA 480Y/277VAC
Square D SSP04EMA12D - Surge Protection Device 120kA 480Y/277VAC

Square D SSP04EMA12D - Surge Protection Device 120kA 480Y/277VAC

Square D
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Square D SSP04EMA12D is a surge protection device from the EMA family, designed to safeguard commercial and industrial power distribution systems from transient overvoltages. It is rated for 480Y/277VAC, 3-phase, 4-wire applications with a 120kA interrupt rating and features a NEMA 1 disconnect switch for safe operation. The unit measures 19.5 in (495 mm) x 9.9 in (251 mm) x 5.3 in (135 mm), weighs 20.501 lb, and is surface-mounted with support for AWG 10 to AWG 3/0 copper wiring. It complies with CSA C22.2 No 8, UL 1449:ed. 4, and UL 1283:ed. 5 standards, operating within a temperature range of -13 to 158 °F (-25 to 70 °C). Typical applications include surge suppression in industrial control panels, commercial electrical rooms, and facility power distribution systems.

Key Features & Specifications
  • Type: QO
  • Manufacturer: Schneider Electric
  • Family: EMA
  • Voltage Rating: 480Y/277VAC
  • Current Rating: 120000A
  • Interrupt Rating: 120kA
  • Poles: 3
  • Phase: 3
  • Wire: 4
  • Wire Size: AWG 10 to AWG 3/0 Copper
  • Mounting: Surface
  • Nema Rating: 1, 3R, 12
  • Disconnect: NEMA 1
  • Signaling: Audible, visual, remote
  • Standards: CSA C22.2 No 8, UL 1449:ed. 4, UL 1283:ed. 5
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Dimensions: 19.5 in (495 mm) x 9.9 in (251 mm) x 5.3 in (135 mm) (Height x Width x Depth)
  • Weight: 20.501 lb


Product Identification
  • GTIN: 785901075387