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Schneider Electric LR3D340 - Heater Element Thermal Overload Relay

Schneider Electric
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The Schneider Electric LR3D340 is a thermal overload relay heater element designed to protect motors from overload conditions by monitoring current and tripping a connected contactor. This specific element is rated for use in motor control circuits and operates within a defined current range, ensuring precise thermal protection for the connected load. The component measures 2.8 inches (70 mm) in height, 2.2 inches (55 mm) in width, and 4.8 inches (123 mm) in depth, with a weight of 0.863 lb, and is constructed for robust industrial environments. It complies with multiple international standards including CSA C22.2 No 60947-4-1, EN/IEC 60947-4-1, GB/T 14048.4, REACH, RoHS, and UL 60947-4-1, and is designed to operate within a temperature range of -13 to 158 °F (-25 to 70 °C). Typical applications include motor protection in industrial automation, conveyor systems, pumps, and HVAC equipment where reliable overload protection is critical.

Key Features & Specifications
  • Type: Thermal Overload Relay Heater Element
  • Voltage Rating: Not specified
  • Current Rating: Not specified
  • Dimensions: 2.8 in (70 mm) x 2.2 in (55 mm) x 4.8 in (123 mm) (Height x Width x Depth)
  • Standards: CSA C22.2 No 60947-4-1, CSA C22.2 No 60947-5-1, EN/IEC 60947-4-1, EN/IEC 60947-5-1, GB/T 14048.4, GB/T 14048.5, REACH, RoHS, UL 60947-4-1, UL 60947-5-1
  • Applications: Motor protection in industrial automation, conveyor systems, pumps, HVAC equipment
  • Switch Type: Not applicable
  • Configuration: Not specified
  • Coil Voltage Maximum: Not specified
  • Temp Rating: -13 to 158 °F (-25 to 70 °C)
  • Shipping Dimensions: Not specified
  • Phase: Not specified
  • Voltage: Not specified
  • Amperage: Not specified
  • AIC rating: Not specified
  • Connection: Not specified
  • Poles: Not specified
  • Protection: Overload protection
  • Functions: Thermal overload protection
  • Frame Size: Not specified
  • Trip Type: Not specified
  • Panel Type: Not specified
  • Breaker Type: Not applicable
  • Control Voltage Minimum: Not specified
  • Control Voltage Maximum: Not specified
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not applicable
  • Insulation Temperature: Not specified
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not specified
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not specified
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: Not specified
  • Hz: Not specified
  • Coil Material: Not specified
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not specified
  • Coil Voltage Minimum: Not specified
  • Wire: Not specified
  • Amperage Maximum: Not specified
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not specified
  • Wire Size: Not specified
  • Certification: CSA, EN/IEC, GB/T, REACH, RoHS, UL
  • Circuit Breaker Mounting Style: Not applicable
  • Terminal Connection: Not specified
  • Frequency Rating: Not specified
  • Phase Connection: Not specified
  • Standards: CSA C22.2 No 60947-4-1, CSA C22.2 No 60947-5-1, EN/IEC 60947-4-1, EN/IEC 60947-5-1, GB/T 14048.4, GB/T 14048.5, REACH, RoHS, UL 60947-4-1, UL 60947-5-1
  • Compatible Frames: Not specified
  • Installation Type: Not specified
  • Item QTY: 1
  • Nema Starter Size: Not specified
  • Breaker Frame: Not applicable
  • Current Rating: Not specified
  • Reverse Standoff Voltage: Not specified
  • Watts: Not specified
  • Peak Pulse Current: Not specified
  • Breakdown Voltage (MIN VBR@IT ) (V): Not specified
  • Breakdown Voltage (VBR@IT) (V): Not specified
  • Polarity: Not specified
  • Operating Temperature Maximum Celsius: 70 °C
  • Max Clamp Voltage: Not specified
  • On-State Current: Not specified


Product Identification
  • UPC: 785901952572
  • GTIN: 03389119215916