PRODUCT DESCRIPTION
SCHNEIDER ELECTRIC LR3D08 - Thermal Overload Relay
This device is a TeSys LR3D thermal overload relay designed for the protection of AC motors against overload, phase failure, and prolonged starting conditions. It integrates bimetallic strip technology for reliable thermal sensing and is engineered for direct mounting with TeSys D contactors in industrial motor control applications. The unit provides essential safety and operational continuity for machinery in manufacturing, process control, and infrastructure systems.
Technical Specifications:
- SERIES/FAMILY: TeSys LR3D
- COMPONENT TYPE: Thermal Overload Relay
- ELECTRICAL SPECS:
- MAIN CIRCUIT VOLTAGE RATING: Up to 690VAC
- CURRENT ADJUSTMENT RANGE: 5.5 - 8 A
- PHASE: Three-phase
- FREQUENCY: 50/60 Hz
- MECHANICAL/PHYSICAL:
- TRIP CLASS: Class 10
- RESET FUNCTION: Manual and Automatic
- INTERFACE/CONTROL:
- AUXILIARY CONTACTS: 1 NO + 1 NC
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (terminals)
- MOUNTING STYLE: Direct mounting under TeSys D contactors (LC1D09-LC1D38) or independent with terminal block
- COOLING METHOD: Natural convection
- COMPATIBILITY/APPLICATION: AC motor protection, TeSys D contactor systems, industrial machinery, HVAC, pumping applications