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Schneider Electric LB1LD03M57 - Thermal Overload Relay 35-50A

Schneider Electric
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Schneider Electric LB1LD03M57 is a thermal overload relay designed for protecting three-phase AC motors from overcurrent conditions. It provides adjustable protection within a current range of 35 to 50 amps, utilizing a robust thermal trip mechanism to prevent motor damage from prolonged overloads or phase loss. This integral-style relay is constructed for durability in industrial environments and complies with relevant international standards for motor control and safety. Its typical applications include integration into motor control centers, panel boards, and industrial machinery where reliable motor protection is critical.

Key Features & Specifications
  • Type: Thermal overload relay, integral family
  • Voltage Rating: For use in motor control circuits (compatible with associated contactor coil voltage)
  • Current Rating: Adjustable, 35 - 50 A
  • Dimensions: N/A
  • Standards: Complies with international industrial safety standards
  • Applications: Protection of three-phase AC motors in industrial control panels and MCCs
  • Switch Type: N/A
  • Configuration: N/A
  • Coil Voltage Maximum: N/A
  • Temp Rating: N/A
  • Shipping Dimensions: N/A
  • Phase: 3
  • Voltage: N/A
  • Amperage: 35 - 50 A
  • AIC rating: N/A
  • Connection: N/A
  • Poles: 3
  • Protection: Thermal overload
  • Functions: Motor protection
  • Frame Size: N/A
  • Trip Type: Thermal
  • Panel Type: N/A
  • Breaker Type: N/A
  • Control Voltage Minimum: N/A
  • Control Voltate Maximum: N/A
  • MCM Size: N/A
  • Metal Type: N/A
  • Panel Style: N/A
  • Bus Type: N/A
  • Fuse Class: N/A
  • Insulation Temperature: N/A
  • Inductance: N/A
  • Impedance: N/A
  • Barrels: N/A
  • Class Rating: N/A
  • Diameter: N/A
  • Velocity: N/A
  • Clip Center: N/A
  • Clas: N/A
  • Mounting: N/A
  • Hz: N/A
  • Coil Material: N/A
  • Horse Power: N/A
  • Aux Contacts: N/A
  • CPT: N/A
  • Full Load Amps: N/A
  • Dist Voltage: N/A
  • Bucket Size: N/A
  • Bucket Style: N/A
  • Bucket Type: N/A
  • Full Load Amp Maximum: N/A
  • Full Load Amp Minimum: N/A
  • Enclosure: N/A
  • Relay Style: Thermal
  • Coil Voltage Minimum: N/A
  • Wire: N/A
  • Amperage Maximum: 50 A
  • Amperage Minimum: 35 A
  • Nema Rating: N/A
  • Switch Style: N/A
  • Wire Size: N/A
  • Certification: N/A
  • Circuit Breaker Mounting Style: N/A
  • Terminal Connection: N/A
  • Frequency Rating: N/A
  • Phase Connection: N/A
  • Standards: N/A
  • Compatible Frames: N/A
  • Installation Type: N/A
  • Item QTY: N/A
  • Nema Starter Size: N/A
  • Breaker Frame: N/A
  • Current Rating: 35 - 50 A
  • Reverse Standoff Voltage: N/A
  • Watts: N/A
  • Peak Pulse Current: N/A
  • Breakdown Voltage (MIN VBR@IT ) (V): N/A
  • Breakdown Voltage (VBR@IT) (V): N/A
  • Polarity: N/A
  • Operating Temperature Maximum Celsius: N/A
  • Max Clamp Voltage: N/A
  • On-State Current: N/A


Product Identification
  • UPC: 038911018069
  • GTIN: 03389110180695