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Telemecanique LR2D3357 - Overload Relay 37A (TeSys D)

Telemecanique
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Telemecanique LR2D3357 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 with a minimum current rating of 37 amperes and is engineered for precise thermal protection in three-phase systems. The device measures 121 mm x 75 mm x 100 mm (Height x Width x Depth) and weighs 1 lb, featuring a compact, robust construction suitable for panel mounting. It complies with multiple international certifications including GL, CCC, BV, GOST, LROS (Lloyds register of shipping), ATEX INERIS, DNV, CSA, RINA, and UL, ensuring reliability in diverse industrial environments. Typical applications include motor protection in conveyors, pumps, fans, and compressors within manufacturing and process industries.

Key Features & Specifications
  • Type: Thermal overload relay, Class 10 trip class, bimetallic operation
  • Voltage Rating: 690 V AC
  • Current Rating: 37 A minimum
  • Dimensions: 121 mm x 75 mm x 100 mm (Height x Width x Depth)
  • Standards: GL, CCC, BV, GOST, LROS, ATEX INERIS, DNV, CSA, RINA, UL
  • Applications: Motor protection in conveyors, pumps, fans, compressors
  • Switch Type: Manual/auto reset
  • Configuration: 3-pole
  • Coil Voltage Maximum: Not applicable (thermal relay)
  • Temp Rating: -20°C to +60°C
  • Shipping Dimensions: 130 mm x 85 mm x 110 mm
  • Phase: 3-phase
  • Voltage: 690 V AC
  • Amperage: 37 A minimum
  • AIC rating: 50 kA at 690 V
  • Connection: Screw terminals
  • Poles: 3
  • Protection: Overload, phase failure, phase imbalance
  • Functions: Thermal protection
  • Frame Size: TeSys D
  • Trip Type: Class 10
  • Panel Type: Open
  • Breaker Type: Not applicable
  • Control Voltage Minimum: Not applicable
  • Control Voltage Maximum: Not applicable
  • MCM Size: Not applicable
  • Metal Type: Steel
  • 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: Class 10
  • Mounting: Panel mount
  • Hz: 50/60 Hz
  • Coil Material: Not applicable
  • Horse Power: 20 HP at 460 V
  • Aux Contacts: 1 NO + 1 NC
  • CPT: Not applicable
  • Full Load Amps: 37 A minimum
  • Dist Voltage: Not applicable
  • Bucket Size: Not applicable
  • Bucket Style: Not applicable
  • Bucket Type: Not applicable
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: 37 A
  • Enclosure: Open type
  • Relay Style: Thermal overload
  • Coil Voltage Minimum: Not applicable
  • Wire: Copper
  • Amperage Maximum: Not specified
  • Amperage Minimum: 37 A
  • Nema Rating: Not applicable
  • Switch Style: Manual/auto reset
  • Wire Size: 14 AWG to 4 AWG
  • Certification: GL, CCC, BV, GOST, LROS, ATEX INERIS, DNV, CSA, RINA, UL
  • Circuit Breaker Mounting Style: Not applicable
  • Terminal Connection: Screw
  • Frequency Rating: 50/60 Hz
  • Phase Connection: 3-phase
  • Standards: IEC 60947-4-1
  • Compatible Frames: TeSys D contactors
  • Installation Type: Panel mount
  • Item QTY: 1
  • Nema Starter Size: Not applicable
  • Breaker Frame: Not applicable
  • Current Rating: 37 A minimum
  • 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
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