TELEMECANIQUE LRD 21 THERMAL OVERLOAD RELAY
The Telemecanique LRD 21 thermal overload relay is designed for reliable motor protection in industrial environments. This model provides adjustable thermal protection for motors in the 12 / 18 A range and includes both normally open and normally closed auxiliary contacts for versatile control integration. Built with high electrical endurance and a compact IP20-protected housing, it is suitable for a wide range of motor control applications.
Manufacturer: Telemecanique
Type: Thermal Overload Relay
Model: LRD 21
Part No.: 034683 X1
Technical Information
- Relay Application: Motor Protection
- Thermal Protection Adjustment Range: 12 / 18 A
- Auxiliary Contact Composition: 1 NO + 1 NC
- Conventional Free Air Thermal Current [Ith]: 5 A
- Permissible Current: 1.5 A at 240 V AC-15, 0.1 A at 250 V DC-13
- Rated Operational Voltage [Ue]: 690 V AC
- Rated Impulse Withstand Voltage [Uimp]: 6 kV
- Degree of Protection: IP20
- Ambient Temperature for Operation: -20 / 60 °C
- Dimensions (H×W×D): 66 × 45 × 70 mm
