DESCRIZIONE PRODOTTO
SCHNEIDER ELECTRIC LRD318 - Thermal Overload Relay
This device is a TeSys LRD thermal overload relay designed for the protection of AC motors against overloads, phase failure, and phase unbalance. It integrates directly with TeSys D contactors, providing electromechanical thermal protection crucial for maintaining operational integrity in industrial motor control circuits, pumping systems, and conveying applications. The unit features adjustable current settings and auxiliary contacts for status signaling.
Technical Specifications:
- SERIES/FAMILY: TeSys LRD
- COMPONENT TYPE: Thermal Overload Relay
- ELECTRICAL SPECS:
- OPERATIONAL CURRENT RANGE: 12-18A
- RATED OPERATIONAL VOLTAGE: 690V AC
- RATED INSULATION VOLTAGE: 690V AC
- TRIPPING CLASS: Class 10A
- PHASE: 3-phase (suitable for 1-phase applications with appropriate wiring)
- MECHANICAL/PHYSICAL:
- RESET TYPE: Manual or Automatic
- AUXILIARY CONTACTS: 1 NO + 1 NC
- INTERFACE/CONTROL:
- CONTROL TYPE: Electromechanical thermal protection
- SIGNALING: Auxiliary contacts for remote indication
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (terminals), IP20 (casing)
- OPERATING TEMPERATURE: -20 to 60 °C
- MOUNTING STYLE: Direct mounting under TeSys D contactors (LC1D09-LC1D38) or standalone with adapter
- COOLING METHOD: Natural convection
- COMPATIBILITY/APPLICATION:
- COMPATIBLE CONTACTORS: TeSys D series (LC1D09 to LC1D38)
- APPLICATION: Overload and phase failure protection for AC motors in industrial machinery, HVAC, and material handling systems.