DESCRIZIONE PRODOTTO
SCHNEIDER ELECTRIC LRD33696 - Thermal Overload Relay
This device is a TeSys LRD thermal overload relay engineered for the protection of three-phase AC motors against sustained overcurrents, phase failure, and phase imbalance conditions. It is designed for direct integration with TeSys D contactors, providing a compact and reliable motor control solution. The unit features a precise current adjustment range and supports both manual and automatic reset operations for industrial motor control centers and machinery.
Technical Specifications:
- SERIES/FAMILY: TeSys LRD
- COMPONENT TYPE: Thermal Overload Relay
- ELECTRICAL SPECS:
- CURRENT ADJUSTMENT RANGE: 63-80 A
- RATED OPERATIONAL VOLTAGE (Ue): Up to 690 V AC (main circuit)
- RATED INSULATION VOLTAGE (Ui): 690 V AC (main circuit), 600 V AC (auxiliary circuit)
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 6 kV
- NUMBER OF POLES: 3P
- AUXILIARY CONTACTS: 1 NO + 1 NC
- AUXILIARY CONTACT RATED OPERATIONAL CURRENT: 0.1 A (DC-13), 1.5 A (AC-15)
- MECHANICAL/PHYSICAL:
- RESET TYPE: Manual, Automatic
- MOUNTING POSITION: Direct under contactor, DIN rail
- INTERFACE/CONTROL:
- CONTROL TYPE: Thermal-magnetic differential
- INDICATORS: Trip indicator
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (terminals), IP20 (device)
- OPERATING TEMPERATURE: -20 to 60 degrees C
- STORAGE TEMPERATURE: -60 to 70 degrees C
- ALTITUDE: Up to 3000 m without derating
- COMPATIBILITY/APPLICATION:
- COMPATIBLE CONTACTORS: TeSys D contactors (e.g., LC1D80, LC1D95)
- PROTECTION FUNCTION: Overload, Phase Failure, Phase Imbalance
- TARGET APPLICATIONS: Motor control circuits, Pumping systems, HVAC, Conveyor systems, General industrial machinery
