OPIS PRODUKTU
SCHNEIDER ELECTRIC LRD3803 - Thermal Overload Relay
The SCHNEIDER ELECTRIC LRD3803 is a TeSys LRD thermal overload relay engineered for the precise protection of AC motors against overloads, phase failure, and prolonged starting conditions. This device integrates directly with TeSys D contactors, providing essential thermal protection within industrial motor control circuits. It is critical for maintaining operational integrity and preventing motor damage in diverse industrial applications.
Technical Specifications:
- SERIES/FAMILY: TeSys LRD
- COMPONENT TYPE: Thermal Overload Relay
- ELECTRICAL SPECS:
- CURRENT ADJUSTMENT RANGE: 2.5 - 4 A
- RATED OPERATIONAL VOLTAGE (Ue): Up to 690 V AC
- RATED INSULATION VOLTAGE (Ui): 690 V AC
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 6 kV
- THERMAL PROTECTION CLASS: Class 10A
- NUMBER OF POLES: 3P
- MECHANICAL/PHYSICAL:
- RESET TYPE: Manual or Automatic (selectable)
- INTERFACE/CONTROL:
- AUXILIARY CONTACTS: 1 NO + 1 NC
- AUXILIARY CONTACT RATING: 3A @ 400V AC-15, 0.22A @ 125V DC-13
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING STYLE: Direct on TeSys D contactor or standalone with adapter
- COMPATIBILITY/APPLICATION:
- COMPATIBLE CONTACTORS: TeSys D series (LC1D09, LC1D12, LC1D18, LC1D25, LC1D32, LC1D38)
- APPLICATION: Overload and phase failure protection for AC motors in industrial machinery, HVAC systems, pumping stations, and conveyor systems.
