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Square D TVS4EMA24A - Surge Protection Device 480Y/277 VAC 240 kA

Square D
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Square D TVS4EMA24A is a Surgelogic EMA surge protection device designed for transient voltage surge suppression in three-phase service entrance applications. It operates at 480Y/277 VAC nominal voltage with a 240 kA per phase surge current rating and a 20 kA nominal discharge current. The unit features a painted steel enclosure with NEMA 3R/12 rating and supports surface or flush mounting, including normal green per phase status indication for operational monitoring. This device complies with industry standards for industrial and commercial power distribution systems. Typical applications include protecting electrical infrastructure in manufacturing facilities, commercial buildings, and utility service entrances.

Key Features & Specifications
  • Manufacturer: Schneider Electric
  • Country of Origin: United States
  • Weight: 22.26 lb
  • Part Number: TVS4EMA24A
  • Product Type: Surge Protection Device (TVSS)
  • Service Voltage: 480Y/277 VAC
  • Number of Phases: 3-Phase
  • Wiring Configuration: 4-Wire
  • Maximum Surge Current: 240 kA per phase
  • Nominal Discharge Current: 20 kA
  • Mounting Type: Surface/Flush
  • Enclosure Material: Painted Steel
  • Enclosure Rating: NEMA 3R/12
  • Status Indication: Normal Green per Phase