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Square D A7.8 - Thermal Overload Relay (7.8A)

Square D
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Square D A7.8 is a thermal overload relay designed for protecting three-phase AC motors from overcurrent conditions. It features a current rating of 7.8 A, is rated for 600 VAC, and is constructed with a durable, compact design for reliable operation in industrial control panels. This relay complies with relevant industry standards for motor protection and is typically applied in machinery, pumps, and conveyor systems where precise motor protection is critical.

Key Features & Specifications
  • Type: Thermal overload relay, Type A, manual reset
  • Voltage Rating: 600 VAC
  • Current Rating: 7.8 A
  • Relay Style: Thermal
  • Item Subcategory: Overload Relay
  • Weight: 5 lb
  • Standards: Complies with common industrial motor protection standards
  • Applications: Protection for three-phase AC motors in industrial machinery, pumps, and conveyors


Product Identification
  • Manufacturer: Square D
  • Model: A7.8