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Siemens 3UA55-00-1J - Solid State Overload Relay 6.3-10A

Siemens
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Siemens 3UA55-00-1J is a solid state overload relay from the World Series family, designed to provide thermal-delayed motor protection for industrial motor control circuits. This relay operates with an adjustable amperage range from 6.3A to 10A, ensuring precise current monitoring and trip response. The unit weighs 1 lb and features a direct-mount design for integration with compatible contactors and starters, along with one normally open and one normally closed auxiliary contact for flexible control wiring. It meets the demanding requirements of industrial motor control applications, delivering reliable overload protection for continuous operation. Typical applications include protecting motors in manufacturing, pumping, and material handling systems where consistent and safe motor performance is essential.

Key Features & Specifications
  • Type: Solid State Overload Relay
  • Manufacturer: Siemens
  • Series: World Series
  • Part Number: 3UA55-00-1J
  • Amperage Range: 6.3A - 10A
  • Weight: 1 lb
  • Mounting Type: Direct mount onto contactors/starters
  • Contacts: 1NO + 1NC
  • Protection Type: Solid state overload relay with thermal-delayed trip mechanism
  • Adjustable Setting Range: 6.3A - 10A