ОПИСАНИЕ ПРОДУКТА
SCHNEIDER ELECTRIC LR3D07 - Thermal Overload Relay
The SCHNEIDER ELECTRIC TeSys LR3D07 is a 3-pole thermal overload relay engineered for robust motor protection in industrial control systems. It provides reliable protection against overloads, phase failure, and prolonged starting times, integrating directly with TeSys D contactors. This device is critical for safeguarding asynchronous motors in applications requiring precise thermal protection and operational continuity.
Technical Specifications:
- SERIES/FAMILY: TeSys LR3D
- COMPONENT TYPE: Thermal Overload Relay
- ELECTRICAL SPECS:
- CURRENT ADJUSTMENT RANGE: 4-6 A
- POLES: 3-pole
- THERMAL PROTECTION CLASS: Class 10A
- RATED INSULATION VOLTAGE (Ui): 690 V AC (conforming to IEC 60947-4-1)
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 6 kV
- MECHANICAL/PHYSICAL:
- RESET TYPE: Manual/Automatic
- AUXILIARY CONTACTS: 1 NO + 1 NC
- MOUNTING POSITION: Vertical +/- 30 degrees
- INTERFACE/CONTROL:
- CONTROL CIRCUIT TERMINALS: Screw clamp terminals
- POWER CIRCUIT TERMINALS: Screw clamp terminals
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (conforming to IEC 60529)
- AMBIENT AIR TEMPERATURE FOR OPERATION: -20 to 60 degrees C
- MOUNTING STYLE: Direct mounting under contactor (e.g., TeSys D contactors), or stand-alone with adapter
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Asynchronous motors
- SPECIFIC MACHINE TYPES: Industrial machinery, pumps, fans, conveyors, HVAC systems
- COMPATIBLE CONTACTORS: TeSys D contactors (LC1D09 to LC1D38)