OPIS PRODUKTU
SCHNEIDER ELECTRIC LR2D3557 - Thermal Overload Relay
This device is a TeSys LR2D series thermal overload relay, engineered for the protection of AC motor circuits against overload, phase failure, and prolonged starting conditions. It integrates directly with TeSys D contactors, providing robust thermal protection for industrial motor control applications. The unit features a bimetallic strip mechanism for precise current sensing and trip initiation, ensuring operational integrity in demanding industrial environments.
Technical Specifications:
- SERIES/FAMILY: TeSys LR2D
- COMPONENT TYPE: Thermal Overload Relay
- ELECTRICAL SPECS:
- OPERATIONAL VOLTAGE: Up to 690VAC
- INSULATION VOLTAGE: 690VAC
- THERMAL PROTECTION ADJUSTMENT RANGE: 80-100A
- TRIP CLASS: Class 10A
- POLES: 3-Pole
- AUXILIARY CONTACTS: 1 Normally Open (NO) + 1 Normally Closed (NC)
- MECHANICAL/PHYSICAL:
- MOUNTING: Direct mounting under TeSys D contactors (LC1D80, LC1D95, LC1D115, LC1D150), plate, or DIN rail
- RESET TYPE: Manual or Automatic
- INTERFACE/CONTROL:
- CONTROL TYPE: Electromechanical thermal sensing
- INDICATORS: Trip indicator
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (Terminals), IP20 (Casing)
- OPERATING TEMPERATURE: -20 to 60 degrees Celsius
- STORAGE TEMPERATURE: -60 to 70 degrees Celsius
- COOLING METHOD: Natural convection
- COMPATIBILITY/APPLICATION:
- COMPATIBLE CONTACTORS: SCHNEIDER ELECTRIC TeSys D series (LC1D80, LC1D95, LC1D115, LC1D150)
- APPLICATION: Motor protection in industrial control panels, HVAC systems, pumping stations, and general machinery.
- STANDARDS: IEC 60947-4-1, IEC 60947-5-1, UL 60947-4-1, CSA C22.2 No 60947-4-1
