OPIS PRODUKTU
SCHNEIDER ELECTRIC LRD340L - Thermal Overload Relay
The SCHNEIDER ELECTRIC LRD340L is a TeSys LRD thermal overload relay engineered for the protection of three-phase AC motors against overload, phase failure, and phase unbalance. This electromechanical device integrates directly with TeSys D contactors, providing reliable thermal protection in industrial motor control circuits. It is suitable for applications requiring Class 10A tripping characteristics, including pumping systems, conveyors, and general machinery.
Technical Specifications:
- SERIES/FAMILY: TeSys LRD
- COMPONENT TYPE: Thermal Overload Relay
- ELECTRICAL SPECS:
- RATED OPERATIONAL VOLTAGE (Ue): Up to 690V AC
- RATED INSULATION VOLTAGE (Ui): 690V AC
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 6 kV
- OPERATIONAL FREQUENCY: 50/60 Hz
- CURRENT ADJUSTMENT RANGE: 30-40 A
- PHASE: Three-phase
- MECHANICAL/PHYSICAL:
- TRIP CLASS: Class 10A
- RESET FUNCTION: Manual or Automatic
- AUXILIARY CONTACTS: 1 Normally Open (NO) + 1 Normally Closed (NC)
- INTERFACE/CONTROL:
- CONTROL CIRCUIT: Current-sensing via bimetallic strips
- INDICATORS: Trip indicator
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (Terminals), IP20 (Casing)
- OPERATING TEMPERATURE: -20 to 60 °C
- MOUNTING STYLE: Direct mounting under TeSys D contactors (e.g., LC1D25, LC1D32, LC1D38) optional DIN rail mounting with adapter
- COMPATIBILITY/APPLICATION:
- COMPATIBLE CONTACTORS: TeSys D series
- PRIMARY APPLICATION: Overload and phase failure protection for AC motors in industrial control panels, HVAC systems, and material handling equipment.
