DESCRIZIONE PRODOTTO
SCHNEIDER ELECTRIC LR3D066 - Thermal Overload Relay
The SCHNEIDER ELECTRIC LR3D066 is a TeSys LR3D series thermal overload relay engineered for motor protection in industrial control circuits. It provides electromechanical thermal protection against sustained overloads and phase failure, ensuring operational integrity for three-phase AC motors. This device integrates into motor starter assemblies, offering current-sensitive tripping for equipment safeguarding.
Technical Specifications:
- SERIES/FAMILY: TeSys LR3D
- COMPONENT TYPE: Thermal Overload Relay
- ELECTRICAL SPECS:
- CURRENT ADJUSTMENT RANGE: 48-66A
- RATED OPERATIONAL VOLTAGE (Ue): Up to 690V AC
- RATED INSULATION VOLTAGE (Ui): 690V AC
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 6kV
- TRIP CLASS: 10A
- AUXILIARY CONTACT CONFIGURATION: 1 NO + 1 NC
- AUXILIARY CONTACT RATED OPERATIONAL CURRENT: 3A at 120V AC, 1.5A at 240V AC, 0.22A at 125V DC
- MECHANICAL/PHYSICAL:
- RESET FUNCTION: Manual and Automatic
- TRIP INDICATION: Visual indicator
- TEST FUNCTION: Integrated push-button
- INTERFACE/CONTROL:
- TERMINAL TYPE: Screw clamp
- CONTROL ELEMENTS: Stop push-button, Test push-button, Reset push-button
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (terminals and casing)
- PROTECTIVE TREATMENT: TH (tropicalisation)
- OPERATING TEMPERATURE RANGE: -20 to 60 degrees C
- STORAGE TEMPERATURE RANGE: -60 to 70 degrees C
- MOUNTING METHOD: Direct mounting under TeSys D contactors (LC1D40A, LC1D50A, LC1D65A) standalone mounting with LAD7B106 terminal block
- COMPATIBILITY/APPLICATION:
- COMPATIBLE CONTACTOR SERIES: SCHNEIDER ELECTRIC TeSys D (LC1D40A, LC1D50A, LC1D65A)
- PROTECTION TYPE: Overload, phase failure
- TARGET APPLICATIONS: Three-phase AC motor protection in industrial machinery, HVAC, pumping, conveying systems