DESCRIZIONE PRODOTTO
SCHNEIDER ELECTRIC LRD325 - Thermal Overload Relay
The SCHNEIDER ELECTRIC LRD325 is a TeSys LRD series thermal overload relay designed for electromechanical motor protection against overloads, phase failure, and prolonged starting times. This device integrates into industrial motor control circuits, providing critical protection for applications such as HVAC systems, pumping stations, conveyor systems, and general machinery requiring robust motor safeguarding in accordance with IEC 60947-4-1 standards. It features a Class 10 trip characteristic, suitable for standard motor starting times.
Technical Specifications:
- SERIES/FAMILY: TeSys LRD
- COMPONENT TYPE: Thermal Overload Relay
- ELECTRICAL SPECS:
- CURRENT SETTING RANGE: 17-25 A
- RATED OPERATIONAL VOLTAGE: Up to 690 VAC
- RATED INSULATION VOLTAGE: 690 V (IEC 60947-4-1)
- RATED IMPULSE WITHSTAND VOLTAGE: 6 kV
- AUXILIARY CONTACT RATING: 3A @ 400VAC (AC-15), 0.22A @ 125VDC (DC-13)
- PHASE: Three-phase (suitable for single-phase applications with appropriate wiring)
- MECHANICAL/PHYSICAL:
- TRIP CLASS: Class 10
- RESET TYPE: Manual or Automatic
- AUXILIARY CONTACTS: 1 NO + 1 NC
- FORM FACTOR: Compact bimetallic thermal relay
- INTERFACE/CONTROL:
- CONTROL CIRCUIT TERMINALS: Screw clamp terminals
- POWER CIRCUIT TERMINALS: Screw clamp terminals
- FEEDBACK: Integrated auxiliary contacts for status indication and control circuit integration
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (terminals), IP20 (casing)
- OPERATING TEMPERATURE: -20 to 60 degrees C
- STORAGE TEMPERATURE: -60 to 70 degrees C
- COOLING METHOD: Natural convection
- MOUNTING STYLE: Direct mounting under TeSys D contactors or independent mounting with terminal block
- COMPATIBILITY/APPLICATION:
- COMPATIBLE CONTACTORS: SCHNEIDER ELECTRIC TeSys D series contactors (e.g., LC1D09 to LC1D38)
- APPLICATIONS: Motor protection in industrial machinery, HVAC systems, pumping, conveying, and general process control
- STANDARDS: IEC 60947-4-1, UL 508, CSA C22.2 No 14
