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Schneider Electric LR3D07 - Overload Relay 1.6-2.5A (TeSys D)

Schneider Electric
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Schneider Electric LR3D07 Motor Control is a thermal overload relay from the TeSys D family, designed to protect motors against overload, phase failure, and phase imbalance. It operates within a current range of 1.6 to 2.5 amperes and is rated for use in industrial control circuits. The relay measures 45 mm x 66 mm and weighs 5 lb, featuring a compact construction suitable for direct mounting or integration with contactors. It complies with multiple international standards including EN/IEC 60947-4-1, EN/IEC 60947-5-1, UL 60947-4-1, UL 60947-5-1, CSA C22.2 No 60947-4-1, CSA C22.2 No 60947-5-1, GB/T 14048.4, GB/T 14048.5, and EN 50495. Typical applications include motor protection in conveyors, pumps, fans, and other industrial machinery requiring reliable overload and phase failure detection.

Key Features & Specifications
  • Type: Thermal overload relay, Class 10, manual or automatic reset
  • Voltage Rating: 690 V AC
  • Current Rating: 1.6 to 2.5 A
  • Dimensions: 45 mm x 66 mm
  • Standards: EN/IEC 60947-4-1, EN/IEC 60947-5-1, UL 60947-4-1, UL 60947-5-1, CSA C22.2 No 60947-4-1, CSA C22.2 No 60947-5-1, GB/T 14048.4, GB/T 14048.5, EN 50495
  • Applications: Motor protection in conveyors, pumps, fans, compressors, and industrial machinery
  • Switch Type: Thermal bimetallic
  • Configuration: 3-pole
  • Coil Voltage Maximum: Not applicable (thermal relay)
  • Temp Rating: -20°C to +60°C
  • Shipping Dimensions: 45 mm x 66 mm x 70 mm
  • Phase: 3-phase
  • Voltage: 690 V AC
  • Amperage: 1.6 to 2.5 A
  • AIC rating: 50 kA at 690 V
  • Connection: Screw terminals
  • Poles: 3
  • Protection: Overload, phase failure, phase imbalance
  • Functions: Thermal protection, differential tripping
  • Frame Size: TeSys D
  • Trip Type: Thermal (bimetallic)
  • Panel Type: Open or enclosed
  • Breaker Type: Not applicable
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Not applicable
  • Panel Style: Not applicable
  • Bus Type: Not applicable
  • Fuse Class: Not applicable
  • Insulation Temperature: 85°C
  • Inductance: Not applicable
  • Impedance: Not applicable
  • Barrels: Not applicable
  • Class Rating: Class 10
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Direct or separate
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: 0.5 HP at 480 V
  • Aux Contacts: 1 NO + 1 NC
  • CPT: Not applicable
  • Full Load Amps: 1.6 to 2.5 A
  • Dist Voltage: Not applicable
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 2.5 A
  • Full Load Amp Minimum: 1.6 A
  • Enclosure: Open style
  • Relay Style: Thermal overload
  • Coil Voltage Minimum: Not applicable
  • Wire: 14 AWG to 8 AWG
  • Amperage Maximum: 2.5 A
  • Amperage Minimum: 1.6 A
  • Nema Rating: Not applicable
  • Switch Style: Thermal
  • Wire Size: 14 AWG to 8 AWG
  • Certification: EN/IEC 60947-4-1, EN/IEC 60947-5-1, UL 60947-4-1, UL 60947-5-1, CSA C22.2 No 60947-4-1, CSA C22.2 No 60947-5-1, GB/T 14048.4, GB/T 14048.5, EN 50495
  • Circuit Breaker Mounting Style: Not applicable
  • Terminal Connection: Screw
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: EN/IEC 60947-4-1, EN/IEC 60947-5-1, UL 60947-4-1, UL 60947-5-1, CSA C22.2 No 60947-4-1, CSA C22.2 No 60947-5-1, GB/T 14048.4, GB/T 14048.5, EN 50495
  • Compatible Frames: TeSys D contactors
  • Installation Type: Panel or DIN rail
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Not applicable
  • Current Rating: 1.6 to 2.5 A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not applicable
  • Peak Pulse Current: Not applicable
  • Breakdown Voltage (MIN VBR@IT ) (V): Not applicable
  • Breakdown Voltage (VBR@IT) (V): Not applicable
  • Polarity: Not applicable
  • Operating Temperature Maximum Celsius: 60°C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 785901206842
  • GTIN: 00389110346933