DESCRIZIONE PRODOTTO
SCHNEIDER ELECTRIC LRN22N - Thermal Overload Relay
This device is a TeSys LRD series thermal overload relay engineered for robust motor protection against overloads, phase failure, and phase unbalance. It integrates bimetallic strip technology to provide reliable thermal protection for AC motors in industrial control applications. Designed for direct mounting under TeSys D contactors, it is suitable for use in motor control centers, HVAC systems, and pumping stations.
Technical Specifications:
- SERIES/FAMILY: TeSys LRD
- COMPONENT TYPE: Thermal Overload Relay
- ELECTRICAL SPECS:
- CURRENT ADJUSTMENT RANGE: 17-25 A
- RATED OPERATIONAL VOLTAGE (Ue): 690 V AC 50/60 Hz
- RATED INSULATION VOLTAGE (Ui): 690 V AC
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 6 kV
- THERMAL PROTECTION CLASS: Class 10A
- AUXILIARY CONTACTS: 1 NO + 1 NC
- RATED OPERATIONAL CURRENT (AUXILIARY): 3 A at 240 V AC-15 0.22 A at 125 V DC-13
- MECHANICAL/PHYSICAL:
- RESET FUNCTION: Manual and Automatic
- TRIP INDICATION: Yes
- INTERFACE/CONTROL:
- CONTROL CIRCUIT INTEGRATION: Via auxiliary contacts
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (Terminals), IP20 (Casing)
- OPERATING TEMPERATURE: -20 to 60 °C
- STORAGE TEMPERATURE: -60 to 70 °C
- MOUNTING STYLE: Direct under contactor or standalone with adapter
- COMPATIBILITY/APPLICATION:
- COMPATIBLE CONTACTORS: TeSys D series (e.g., LC1D25, LC1D32, LC1D38)
- TARGET APPLICATIONS: Motor protection in industrial control panels, HVAC, pumping, conveyor systems