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Siemens 3RU21261GB0 - Thermal Overload Relay 4.5-6.3A

Siemens
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Siemens 3RU21261GB0 is a thermal overload relay from the Sirius family designed to protect motors from damage due to overcurrent conditions. It operates within a current range of 4.5 A to 6.3 A and features a compact, DIN-rail mountable enclosure measuring 4.016 x 1.929 x 4.016 inches and weighing 0.408 lb. This relay is compliant with major industry standards including RoHS and WEEE, and its construction in Germany ensures adherence to stringent quality controls. It is typically applied in industrial control panels and motor starter combinations for pumps, fans, and conveyors, providing reliable protection with its integrated 1NO/1NC auxiliary contact for system signaling.

Key Features & Specifications
  • Type: Thermal overload relay, 3RU21 series, DIN-rail mounted
  • Voltage Rating: Dependent on associated contactor/control circuit
  • Current Rating: 4.5 A to 6.3 A adjustable range
  • Dimensions: 4.016 x 1.929 x 4.016 inches (102 x 49 x 102 mm)
  • Standards: RoHS, WEEE, REACH Art 33 compliant
  • Applications: Motor protection in industrial systems (pumps, fans, conveyors)
  • Relay Style: Thermal
  • Aux Contacts: 1NO/1NC
  • Family: Sirius
  • Country of Origin: Germany
  • Weight: 0.408 lb


Product Identification
  • UPC: 662643919073
  • GTIN: 00662643919073