DESCRIZIONE PRODOTTO
SCHNEIDER ELECTRIC LRD22L - Thermal Overload Relay
The SCHNEIDER ELECTRIC LRD22L is an electromechanical thermal overload relay from the TeSys LRD series, engineered for robust motor protection against overload, phase failure, and prolonged starting times. This device integrates seamlessly into industrial motor control circuits, providing critical safety and operational reliability for applications such as HVAC systems, pumping stations, conveyor systems, and general machinery requiring precise motor current monitoring. Its design facilitates direct mounting under TeSys D contactors or stand-alone installation with appropriate terminal blocks.
Technical Specifications:
- SERIES/FAMILY: TeSys LRD
- COMPONENT TYPE: Thermal Overload Relay
- ELECTRICAL SPECS:
- CURRENT ADJUSTMENT RANGE: 17-25 A
- RATED OPERATIONAL VOLTAGE: Up to 690 VAC
- RATED INSULATION VOLTAGE: 690 V
- RATED IMPULSE WITHSTAND VOLTAGE: 6 kV
- TRIPPING CLASS: Class 10A
- MECHANICAL/PHYSICAL:
- MOUNTING: Direct mounting under TeSys D contactors (e.g., LC1D09-D38) or stand-alone with separate terminal block
- RESET TYPE: Manual or Automatic
- AUXILIARY CONTACTS: 1 NO + 1 NC
- INTERFACE/CONTROL:
- CONTROL CIRCUIT VOLTAGE: Dependent on contactor coil or separate supply for auxiliary contacts
- SIGNALING: Trip indication, test button
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (terminals), IPXXB (protection against direct contact)
- OPERATING TEMPERATURE: -20 to 60 degrees C
- STORAGE TEMPERATURE: -60 to 70 degrees C
- COOLING METHOD: Natural convection
- MOUNTING STYLE: Direct under contactor or plate mounting with adapter
- COMPATIBILITY/APPLICATION:
- COMPATIBILITY: Compatible with TeSys D contactors
- APPLICATION: Protection of AC motors in industrial machinery, pumps, fans, and material handling systems
