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Siemens 3UA5000-1K - Thermal Overload Relay

Siemens
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Siemens 3UA5000-1K is a thermal overload relay designed for protecting three-phase AC motors from damage due to overload, phase failure, and phase imbalance. It operates with a current rating adjustable within a specified range and is rated for control circuit voltages up to 690V AC. The relay features a compact, robust construction with a screw terminal connection system and a manual reset function, ensuring reliable operation in demanding industrial environments. It complies with international standards including IEC and UL for safety and performance. Typical applications include integration into motor control centers, control panels, and starter combinations for pumps, fans, and conveyor systems across various industries.

Key Features & Specifications
  • Type: Thermal, bi-metallic overload relay with manual reset, for three-phase AC motor protection
  • Voltage Rating: Control circuit 690V AC maximum
  • Current Rating: Adjustable, specific range defined by heater element selection
  • Dimensions: Compact design for standard contactor mounting
  • Standards: IEC 60947-4-1, UL 508
  • Applications: Motor protection in control panels, MCCs, and for pumps, fans, compressors
  • Configuration: Direct mounting to compatible contactors
  • Connection: Screw terminals
  • Phase: Three-phase
  • Protection: Overload, phase failure, phase imbalance
  • Functions: Trip indication, manual reset
  • Mounting: DIN rail or direct to contactor
  • Enclosure: Open style for panel mounting
  • Item QTY: 1
  • Weight: 0.5 lb


Product Identification
  • Manufacturer: Siemens
  • Model: 3UA5000-1K
  • Item Subcategory: Overload Relay