OPIS PRODUKTU
SCHNEIDER ELECTRIC LRD3359C - Thermal Overload Relay
The SCHNEIDER ELECTRIC LRD3359C is a TeSys LRD series thermal overload relay engineered for robust protection of three-phase AC motors against overloads, phase failure, and prolonged starting times. Utilizing bimetallic strip technology, this electromechanical device integrates seamlessly into industrial motor control circuits, providing essential safety and operational reliability for applications such as pumping, conveying, HVAC, and general machinery. It is designed for direct mounting under TeSys D contactors.
Technical Specifications:
- SERIES/FAMILY: TeSys LRD
- COMPONENT TYPE: Thermal Overload Relay
- ELECTRICAL SPECS:
- CURRENT ADJUSTMENT RANGE: 30-38A
- RATED OPERATIONAL VOLTAGE (Ue): Up to 690V AC
- RATED INSULATION VOLTAGE (Ui): 690V AC
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 6kV
- PHASE: 3-Phase
- FREQUENCY: 50/60 Hz
- MECHANICAL/PHYSICAL:
- TRIP CLASS: Class 10A (IEC 60947-4-1)
- RESET TYPE: Manual or Automatic
- AUXILIARY CONTACTS: 1 NO + 1 NC
- TRIP INDICATION: Mechanical Flag
- INTERFACE/CONTROL:
- CONTROL CIRCUIT TERMINALS: Screw Clamp
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (Terminals), IP00 (Relay Body)
- OPERATING TEMPERATURE: -20 to 60 degrees C
- MOUNTING STYLE: Direct under contactor or standalone with adapter
- COMPATIBILITY/APPLICATION:
- COMPATIBLE CONTACTORS: SCHNEIDER ELECTRIC TeSys D series (LC1D09 to LC1D38)
- APPLICATION: Overload and phase failure protection for AC motors in industrial control panels, material handling, fluid management, and process automation.
