OPIS PRODUKTU
SCHNEIDER ELECTRIC LR2D3553 - Thermal Overload Relay
This device is a TeSys LR2D series bimetallic thermal overload relay engineered for the protection of three-phase AC motors against overloads and phase failure. It integrates directly with SCHNEIDER ELECTRIC TeSys D contactors, providing robust thermal protection for critical industrial motor control applications. The relay features a differential mechanism and a precise current adjustment range, ensuring consistent and reliable tripping characteristics in accordance with Class 10A.
Technical Specifications:
- SERIES/FAMILY: TeSys LR2D
- COMPONENT TYPE: Bimetallic Thermal Overload Relay
- ELECTRICAL SPECS:
- NOMINAL OPERATING VOLTAGE: Up to 690VAC
- CURRENT ADJUSTMENT RANGE: 48-65A
- TRIPPING CLASS: Class 10A
- NUMBER OF POLES: 3
- AUXILIARY CONTACT RATING: AC-15 (1.5A @ 240V), DC-13 (0.1A @ 250V)
- MECHANICAL/PHYSICAL:
- RESET TYPE: Manual or Automatic
- MOUNTING TYPE: Direct mounting under contactor separate mounting with adapter block
- INDICATORS: Trip indicator, Reset button, Test button
- INTERFACE/CONTROL:
- AUXILIARY CONTACTS: 1 Normally Open (NO) + 1 Normally Closed (NC)
- CONTROL CIRCUIT RATED IMPULSE WITHSTAND VOLTAGE: 6 kV
- CONTROL CIRCUIT RATED INSULATION VOLTAGE: 690V
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (terminals), IP20 (casing)
- OPERATING TEMPERATURE RANGE: -20 to 60 °C
- STORAGE TEMPERATURE RANGE: -60 to 70 °C
- COOLING METHOD: Natural convection
- COMPATIBILITY/APPLICATION:
- COMPATIBLE CONTACTORS: SCHNEIDER ELECTRIC TeSys D series (LC1D40A, LC1D50A, LC1D65A)
- APPLICATION: Overload and phase failure protection for three-phase AC motors in industrial machinery, pumping stations, and material handling systems.
