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Siemens 3UA7011-1D - Thermal Overload Relay (2-3.2A)

Siemens
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Siemens 3UA7011-1D is a thermal overload relay designed for protecting three-phase AC motors from damage due to overloads and phase failure. It operates within a current range of 2 to 3.2 A and is part of the robust Siemens 3UA7 World Series, featuring a compact and durable construction for reliable performance in demanding environments. This relay complies with relevant international industrial standards, ensuring safe integration into motor control circuits. Its typical applications include use in machine tools, conveyor systems, pumps, and fans, providing essential protection for industrial automation equipment.

Key Features & Specifications
  • Type: Thermal Overload Relay, 3UA7 World Series
  • Voltage Rating: For use in control circuits up to 690V AC
  • Current Rating: 2 - 3.2 A, adjustable
  • Relay Style: Thermal, bimetallic
  • Amperage Minimum: 2 A
  • Amperage Maximum: 3.2 A
  • Weight: 10 lb
  • Standards: Complies with IEC/EN 60947-4-1
  • Applications: Protection for three-phase motors in machine tools, conveyors, pumps, and fans
  • Functions: Overload protection, phase failure sensitivity
  • Configuration: Direct mounting on contactors
  • Aux Contacts: Typically includes alarm and trip signaling contacts