OPIS PRODUKTU
SCHNEIDER ELECTRIC LRD3353 - Thermal Overload Relay
The SCHNEIDER ELECTRIC LRD3353 is a TeSys LRD series thermal overload relay engineered for the protection of AC motors against overload, phase failure, and prolonged starting conditions. Utilizing bimetallic strip technology, this device provides reliable electromechanical tripping for industrial motor control circuits. It is specifically designed for integration into systems requiring robust motor protection, such as pumping stations, conveyor systems, and HVAC installations.
Technical Specifications:
- SERIES/FAMILY: TeSys LRD
- COMPONENT TYPE: Thermal Overload Relay
- ELECTRICAL SPECS:
- CURRENT ADJUSTMENT RANGE: 48-65 A
- RATED OPERATIONAL VOLTAGE (Ue): Up to 690 V AC
- RATED INSULATION VOLTAGE (Ui): 690 V AC
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 6 kV
- TRIPPING CLASS: Class 10A
- INTERFACE/CONTROL:
- AUXILIARY CONTACTS: 1 NO + 1 NC
- RESET FUNCTION: Manual
- TRIP INDICATION: Yes
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (Terminals), IP20 (Casing)
- OPERATING TEMPERATURE: -20 to 60 °C (-4 to 140 °F)
- MOUNTING STYLE: Direct mounting under TeSys D contactors (e.g., LC1D80, LC1D95, LC1D115, LC1D150) or separate with LAD7B106 terminal block for DIN rail/plate mounting.
- COMPATIBILITY/APPLICATION: Protection of 3-phase and 1-phase AC motors compatible with TeSys D contactors.
