APC Schneider Electric LRD10 Thermal Overload Relay, 0.4-0.63 A, 690 V, 3P, Class 10A, TeSys D

The APC Schneider Electric LRD10 is a high-performance thermal overload relay from the TeSys LRD series, designed to protect motors against overload, phase failure, and phase imbalance. With a compact design and wide current adjustment range, it ensures reliable operation in industrial environments.

Advantages

• Precise thermal protection with Class 10A tripping curve
• Manual and automatic reset options for flexibility
• Direct mounting on TeSys D contactors or DIN rail
• Robust construction for long service life

Suitable for

• Motor protection in industrial automation
• HVAC systems
• Pumps, fans, and conveyors
• Any application requiring reliable overload protection

Key specifications

• Product Type: Thermal Overload Relay
• Current Adjustment Range: 0.4 - 0.63 A
• Rated Insulation Voltage (Ui): 690 V AC
• Number of Poles: 3P
• Thermal Protection Class: Class 10A
• Mounting Type: Direct under contactor, Plate, Rail
• Compatibility: TeSys D contactors (LC1D09-D38)
• Auxiliary Contact Configuration: 1 NO + 1 NC
• Reset Method: Manual and Automatic
• Operating Temperature Range: -20 to 60 °C
• Storage Temperature Range: -60 to 70 °C
• Degree of Protection (IP): IP20
• Standards Compliance: IEC 60947-4-1, UL 60947-4-1, CSA C22.2 No 60947-4-1
• Weight: 124 g

Recommendations

For optimal performance, pair the LRD10 with a compatible TeSys D contactor. Ensure proper wiring and settings according to motor full-load current. Regularly test the relay function to maintain safety.