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Topaz 637S - Surge Suppressor 120/240V 20A 50kA

Topaz
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The Topaz 637S is a high-performance surge suppression device designed to protect sensitive industrial equipment from transient voltage spikes. It is rated for 120/240V AC and handles a maximum continuous current of 20A, with a surge current capacity of 50kA per mode. The unit features a compact NEMA 4X enclosure constructed from corrosion-resistant stainless steel, weighing 13.9 lb, and includes visual status indicators for operational monitoring. It complies with UL 1449 4th Edition and ANSI/IEEE C62.41 standards for surge protective devices. Typical applications include protecting motor control centers, variable frequency drives, and programmable logic controllers in manufacturing and process control environments.

Key Features & Specifications
  • Type: Surge protective device, metal oxide varistor (MOV) technology
  • Voltage Rating: 120/240V AC
  • Current Rating: 20A
  • Surge Current Capacity: 50kA per mode
  • Enclosure: NEMA 4X stainless steel
  • Standards: UL 1449 4th Edition, ANSI/IEEE C62.41
  • Applications: Motor control centers, variable frequency drives, PLCs
  • Weight: 13.9 lb


Product Identification
  • UPC: 75133823060
  • GTIN: 00751338230606