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Square D TVS4EMA32AIC - Modular SPD 320kA (480Y/277V)

Square D
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Square D TVS4EMA32AIC is a modular surge protective device designed for service entrance and critical branch panel applications in industrial and commercial power distribution systems. This unit provides robust protection for 3-phase, 4-wire systems with a 480Y/277V rating and a 320kA per phase interrupt rating, housed in a durable NEMA 3R/12 enclosure suitable for indoor and outdoor use. Manufactured by Schneider Electric in the United States, it weighs 57.721 lb and features LED status indicators per phase, a push-to-test switch, dry contacts, and an audible alarm with disable switch for monitoring and maintenance. The device complies with UL 1449:ed. 4, UL 1283:ed. 5, ANSI/IEEE C62.41, ANSI/IEEE C62.45, and UL Category Section 37.3 standards. It is designed for transient suppression and noise filtration to protect sensitive equipment from voltage spikes and electrical noise in demanding environments.

Key Features & Specifications
  • Manufacturer: Schneider Electric
  • Country of Origin: United States
  • Weight: 57.721 lb
  • Standards: UL 1449:ed. 4, UL 1283:ed. 5, ANSI/IEEE C62.41, ANSI/IEEE C62.45, UL Category Section 37.3
  • Part Number: TVS4EMA32AIC
  • Series: Surgelogic Type EMA
  • Phase: 3-Phase, 4-Wire
  • Voltage: 480Y/277V
  • Interrupt Rating: 320kA per phase
  • Short Circuit Rating: 200kA
  • Enclosure: NEMA 3R/12
  • Mounting: Modular
  • Indicators: LED per phase (Green = Normal, Red = Fault)
  • Features: Push-to-test switch, dry contacts, audible alarm with disable switch, surge counter
  • Certifications: UL Listed, CSA Certified