DESCRIZIONE PRODOTTO
SCHNEIDER ELECTRIC LRD3359 - Thermal Overload Relay
The SCHNEIDER ELECTRIC LRD3359 is a TeSys LRD series 3-pole thermal overload relay engineered for robust motor protection in industrial control systems. It provides precise thermal protection against overloads and phase failures for AC motors, integrating directly with TeSys D contactors for compact and reliable motor starter configurations in applications such as pumping, ventilation, and material handling. This device ensures operational continuity and safeguards critical machinery by detecting abnormal current conditions.
Technical Specifications:
- SERIES/FAMILY: TeSys LRD
- COMPONENT TYPE: Thermal Overload Relay
- ELECTRICAL SPECS:
- POLES: 3-pole
- CURRENT ADJUSTMENT RANGE: 30-38 A
- RATED OPERATIONAL VOLTAGE: Up to 690 VAC
- RATED INSULATION VOLTAGE: 690 VAC
- TRIP CLASS: Class 10A
- AUXILIARY CONTACTS: 1 NO + 1 NC
- MECHANICAL/PHYSICAL:
- RESET TYPE: Manual and Automatic
- MOUNTING: Direct mounting under TeSys D contactors (LC1D09 to LC1D38) or standalone with terminal block
- INTERFACE/CONTROL:
- CONTROL CIRCUIT RATING: 6A at 240VAC (AC-15), 0.5A at 125VDC (DC-13)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (terminals), IP20 (casing)
- OPERATING TEMPERATURE: -20 to 60 °C
- COOLING METHOD: Natural convection
- COMPATIBILITY/APPLICATION:
- COMPATIBLE CONTACTORS: TeSys D series (LC1D09, LC1D12, LC1D18, LC1D25, LC1D32, LC1D38)
- TARGET APPLICATIONS: Motor protection in industrial machinery, HVAC systems, pumping stations, conveyor systems, and general industrial automation.
