OPIS PRODUKTU
SCHNEIDER ELECTRIC LRD04 - Thermal Overload Relay
This component is a TeSys LRD series 3-pole thermal overload relay designed for electromechanical motor protection against overloads, phase failure, and prolonged starting times. It integrates directly with TeSys D contactors, providing essential safety and operational continuity in industrial motor control circuits, HVAC systems, and general machinery applications. The device utilizes bimetallic strips for thermal sensing, ensuring reliable trip characteristics according to IEC 60947-4-1 standards.
Technical Specifications:
- SERIES/FAMILY: TeSys LRD
- COMPONENT TYPE: Thermal Overload Relay
- ELECTRICAL SPECS:
- CURRENT ADJUSTMENT RANGE: 0.4 - 0.63 A
- RATED OPERATIONAL VOLTAGE (Ue): Up to 690V AC
- RATED INSULATION VOLTAGE (Ui): 690V AC
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 6 kV
- NUMBER OF POLES: 3
- TRIP CLASS: 10A
- MECHANICAL/PHYSICAL:
- RESET FUNCTION: Manual or Automatic
- AUXILIARY CONTACTS: 1 NO + 1 NC
- FORM FACTOR: Compact, modular
- INTERFACE/CONTROL:
- CONTROL TYPE: Electromechanical thermal sensing
- INDICATORS: Trip indicator
- ENVIRONMENTAL/MOUNTING:
- OPERATING TEMPERATURE RANGE: -20 to 60 degrees C
- MOUNTING STYLE: Direct mounting under TeSys D contactors separate mounting with terminal block
- COMPATIBILITY/APPLICATION:
- COMPATIBLE CONTACTORS: SCHNEIDER ELECTRIC TeSys D series (e.g., LC1D09 to LC1D38)
- TARGET APPLICATIONS: Industrial motor control, pumping, ventilation, conveying systems, machine tools
