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Schneider Electric LR3D10 - Overload Relay 4-6A (TeSys D)

Schneider Electric
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Schneider Electric LR3D10 is a thermal overload relay from the TeSys D family, designed to protect motors against overload, phase failure, and phase imbalance. This relay is rated for a current range of 4 to 6 Amperes and is compatible with AC and DC control circuits. The device measures 2.6 inches (66 mm) in height, 1.8 inches (45 mm) in width, and 2.8 inches (70 mm) in depth, with a weight of 0.306 lb, and features a compact, modular construction for direct mounting on contactors. It is certified to 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 standards. Typical applications include motor control centers, conveyors, pumps, and fans in industrial automation systems.

Key Features & Specifications
  • Type: Thermal overload relay, Class 10, with manual and automatic reset
  • Voltage Rating: 690 V AC
  • Current Rating: 4 to 6 A
  • Dimensions: 2.6 in (66 mm) x 1.8 in (45 mm) x 2.8 in (70 mm) (Height x Width x Depth)
  • 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, and compressors
  • Switch Type: Thermal bimetallic
  • Configuration: 3-pole
  • Coil Voltage Maximum: Not applicable (thermal relay)
  • Temp Rating: -20°C to +60°C
  • Shipping Dimensions: 3.0 in x 2.5 in x 3.5 in
  • Phase: 3-phase
  • Voltage: 690 V AC
  • Amperage: 4 to 6 A
  • AIC rating: Not specified
  • Connection: Screw terminals
  • Poles: 3
  • Protection: Overload, phase failure, phase imbalance
  • Functions: Motor protection
  • Frame Size: TeSys D
  • Trip Type: Thermal
  • Panel Type: Not applicable
  • 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: Not specified
  • 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 on contactor
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: 1 NO + 1 NC
  • CPT: Not applicable
  • Full Load Amps: 4 to 6 A
  • Dist Voltage: Not applicable
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 6 A
  • Full Load Amp Minimum: 4 A
  • Enclosure: Open style
  • Relay Style: Thermal overload
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 6 A
  • Amperage Minimum: 4 A
  • Nema Rating: Not specified
  • Switch Style: Not applicable
  • 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: Direct mounting
  • Item QTY: 1
  • Nema Starter Size: Not specified
  • Breaker Frame: Not applicable
  • Current Rating: 4 to 6 A
  • Reverse Standoff Voltage: Not applicable
  • Watts: Not specified
  • 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: 785901206866