DESCRIZIONE PRODOTTO
SCHNEIDER ELECTRIC LR3D226 - Thermal Overload Relay
The SCHNEIDER ELECTRIC LR3D226 is a TeSys LR3D series bimetallic thermal overload relay engineered for the protection of three-phase AC motors against overload conditions and phase failure. This device integrates directly with TeSys D contactors, providing essential thermal protection in industrial motor control circuits, HVAC systems, and general machinery applications. Its design ensures reliable operation and compliance with international industrial control standards.
Technical Specifications:
- SERIES/FAMILY: TeSys LR3D
- COMPONENT TYPE: Thermal Overload Relay
- ELECTRICAL SPECS:
- POLES: 3P
- CURRENT ADJUSTMENT RANGE: 18-25 A
- RATED OPERATIONAL VOLTAGE (Ue): Up to 690 VAC
- RATED INSULATION VOLTAGE (Ui): 690 V
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 6 kV
- AUXILIARY CONTACTS: 1 NO + 1 NC
- AUXILIARY CONTACT RATED OPERATIONAL CURRENT: 0.1 A at 600 V DC, 1.5 A at 240 V AC
- MECHANICAL/PHYSICAL:
- RESET TYPE: Manual/Automatic
- TRIP INDICATION: Yes
- INTERFACE/CONTROL:
- PROTECTION FUNCTIONS: Overload, Phase Failure
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (Terminals), IP20 (Device)
- MOUNTING STYLE: Direct mounting under contactor, or standalone with terminal block
- OPERATING TEMPERATURE: -20 to 60 degrees C
- COMPATIBILITY/APPLICATION:
- COMPATIBLE CONTACTORS: TeSys D series (e.g., LC1D25, LC1D32, LC1D38)
- APPLICATION: Protection of 3-phase AC motors in industrial control panels, pumping stations, conveyor systems.
