Schneider Electric LR3D21 - Overload Relay 0.1-0.16A (Class 10 Trip)
Schneider Electric LR3D21 - Overload Relay 0.1-0.16A (Class 10 Trip)

Schneider Electric LR3D21 - Overload Relay 0.1-0.16A (Class 10 Trip)

Schneider Electric
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The Schneider Electric LR3D21 is a D-Line overload relay designed for motor protection against phase loss and overload conditions. It operates with a current rating of 0.1 to 0.16 A and supports a maximum coil voltage of 690 V AC, with a control voltage range of 24 to 240 V AC/DC. This compact relay measures 2.6 in (66 mm) x 1.8 in (45 mm) x 2.8 in (70 mm) and weighs 0.317 lb, featuring a Class 10 trip type for precise thermal protection. It complies with IEC and UL standards, with a temperature rating of -13 to 158 °F (-25 to 70 °C). Typical applications include motor control centers, conveyor systems, and industrial machinery requiring reliable overload and phase failure protection.

Key Features & Specifications
  • Type: Overload relay, Class 10 trip, thermal bimetallic operation
  • Voltage Rating: 690 V AC
  • Current Rating: 0.1 to 0.16 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: IEC, UL
  • Applications: Motor control centers, conveyor systems, industrial machinery
  • Switch Type: Manual/automatic reset
  • Configuration: 3-pole
  • Coil Voltage Maximum: 690 V AC
  • Temp Rating: -13 to 158 °F (-25 to 70 °C)
  • Shipping Dimensions: 2.6 in x 1.8 in x 2.8 in
  • Phase: 3-phase
  • Voltage: 690 V AC
  • Amperage: 0.1 to 0.16 A
  • AIC rating: Not specified
  • Connection: Screw terminals
  • Poles: 3
  • Protection: Overload, phase loss
  • Functions: Overload protection, phase failure detection
  • Frame Size: D-Line
  • Trip Type: Class 10
  • Panel Type: Not specified
  • Breaker Type: Not applicable
  • Control Voltage Minimum: 24 V AC/DC
  • Control Voltage Maximum: 240 V AC/DC
  • MCM Size: Not applicable
  • Metal Type: Not specified
  • Panel Style: Not specified
  • 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: DIN rail or panel
  • Hz: 50/60 Hz
  • Coil Material: Not specified
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not applicable
  • Full Load Amps: 0.1 to 0.16 A
  • Dist Voltage: Not applicable
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: 0.16 A
  • Full Load Amp Minimum: 0.1 A
  • Enclosure: Open type
  • Relay Style: Overload relay
  • Coil Voltage Minimum: 24 V AC/DC
  • Wire: Not specified
  • Amperage Maximum: 0.16 A
  • Amperage Minimum: 0.1 A
  • Nema Rating: Not specified
  • Switch Style: Manual/automatic reset
  • Wire Size: Not specified
  • Certification: IEC, UL
  • Circuit Breaker Mounting Style: Not applicable
  • Terminal Connection: Screw terminals
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: IEC, UL
  • Compatible Frames: D-Line contactors
  • Installation Type: DIN rail or panel
  • Item QTY: 1
  • Nema Starter Size: Not specified
  • Breaker Frame: Not applicable
  • Current Rating: 0.1 to 0.16 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: 70 °C
  • Max Clamp Voltage: Not applicable
  • On-State Current: Not applicable


Product Identification
  • UPC: 785901206910
  • GTIN: 00389110348456