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Schneider Electric LR3D32 - Overload Relay 23-32A (D-Line)

Schneider Electric
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The Schneider Electric LR3D32 is a D-Line overload relay designed for the thermal protection of three-phase motors against overload, phase failure, and prolonged starting times. It operates with a current rating range of 23 to 32 Amperes and is compatible with AC voltage systems up to 690 Volts, featuring a compact physical construction measuring 2.6 inches in height, 1.8 inches in width, and 2.8 inches in depth, with a weight of 0.315 pounds. This relay is built for industrial environments with a temperature rating of -13 to 158 degrees Fahrenheit (-25 to 70 degrees Celsius) and is manufactured in France to comply with international standards for motor control components. It is typically applied in industrial automation, conveyor systems, and pump control panels where reliable motor protection is required.

Key Features & Specifications
  • Type: Overload relay, thermal bimetallic, manual or automatic reset
  • Voltage Rating: 690 V AC
  • Current Rating: 23–32 A
  • Dimensions: 2.6 in (66 mm) x 1.8 in (45 mm) x 2.8 in (70 mm) (H x W x D)
  • Standards: IEC, UL, CSA, CE
  • Applications: Motor protection in industrial machinery, conveyors, pumps
  • Switch Type: Thermal overload
  • Configuration: Three-phase
  • Coil Voltage Maximum: Not applicable (thermal relay)
  • Temp Rating: -13–158 °F (-25–70 °C)
  • Shipping Dimensions: 2.6 in x 1.8 in x 2.8 in
  • Phase: Three-phase
  • Voltage: 690 V AC
  • Amperage: 23–32 A
  • AIC rating: Not specified
  • Connection: Screw terminals
  • Poles: 3
  • Protection: Overload, phase failure
  • Functions: Thermal protection, manual/auto reset
  • Frame Size: D-Line
  • Trip Type: Thermal bimetallic
  • 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: Not applicable
  • Diameter: Not applicable
  • Velocity: Not applicable
  • Clip Center: Not applicable
  • Clas: Not applicable
  • Mounting: Direct on contactor or panel
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: Not specified
  • Aux Contacts: 1 NO + 1 NC
  • CPT: Not applicable
  • Full Load Amps: 23–32 A
  • Dist Voltage: Not applicable
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 32 A
  • Full Load Amp Minimum: 23 A
  • Enclosure: Open style
  • Relay Style: Thermal overload
  • Coil Voltage Minimum: Not applicable
  • Wire: Not specified
  • Amperage Maximum: 32 A
  • Amperage Minimum: 23 A
  • Nema Rating: Not specified
  • Switch Style: Not applicable
  • Wire Size: 14–4 AWG
  • Certification: UL, CSA, CE, IEC
  • Circuit Breaker Mounting Style: Not applicable
  • Terminal Connection: Screw
  • Frequency Rating: 50/60 Hz
  • Phase Connection: Three-phase
  • Standards: IEC 60947-4-1, UL 508
  • Compatible Frames: D-Line contactors
  • Installation Type: Panel mount
  • Item QTY: 1
  • Nema Starter Size: Not specified
  • Breaker Frame: Not applicable
  • Current Rating: 23–32 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: 70 °C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 785901234425
  • GTIN: 00389110000000