Default product image

Siemens 3UA5500-1C - Thermal Overload Relay (3-Phase)

Siemens
Price
Save $-84.89
/
Condition
  • In stock, ready to ship
  • Backordered, shipping soon
Call for Price
Siemens 3UA5500-1C 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 engineered for a control circuit voltage up to 690V AC, featuring a compact and robust construction for reliable performance in demanding industrial environments. This relay complies with international standards including IEC and UL, ensuring safe and standardized operation. It is typically applied in motor control centers, pump systems, conveyor belts, and industrial machinery where precise motor protection is critical.

Key Features & Specifications
  • Type: Thermal, bi-metallic overload relay with manual/automatic reset
  • Voltage Rating: 690V AC maximum for control circuit
  • Current Rating: Adjustable, specific to model setting range
  • Dimensions: Compact design for standard contactor mounting
  • Standards: IEC 60947-4-1, UL 508
  • Applications: Motor protection in control panels, pumps, fans, compressors
  • Switch Type: SPDT auxiliary contacts
  • Configuration: Direct mounting to contactor
  • Coil Voltage Maximum: Not applicable (thermal operation)
  • Temp Rating: Standard industrial ambient temperature range
  • Phase: 3-phase
  • Protection: Overload, phase failure, phase imbalance
  • Functions: Trip class selection, test function
  • Mounting: Snap-on to specified Siemens contactors
  • Enclosure: Open style for panel mounting
  • Certification: cULus, CE
  • Standards: IEC 60947-4-1, UL 508, CSA C22.2 No. 14
  • Compatible Frames: Designed for specific Siemens 3TF/3TB contactor series
  • Installation Type: Panel-mounted
  • Item QTY: 1
  • Weight: 1 lb


Product Identification
  • Manufacturer: Siemens
  • Item Subcategory: Overload Relay
  • Model: 3UA5500-1C