APC Schneider Electric LRD12 Thermal Overload Relay, 5.5-8 A, Class 10A, 3 Poles, 690 V, Multicolored

The APC Schneider Electric LRD12 is a high-performance thermal overload relay from the TeSys LRD series, designed to protect motors against overload and phase failure. With a thermal adjustment range of 5.5-8 A and trip class 10A, it ensures reliable protection for three-phase motors. This relay is compatible with TeSys D contactors and can be mounted directly under the contactor, on a plate, or on a DIN rail. It features manual/automatic reset and an IP20 protection rating, making it suitable for industrial environments.

Advantages

• Reliable overload and phase failure protection
• Wide thermal adjustment range (5.5-8 A)
• Trip class 10A for quick response
• Versatile mounting options: direct under contactor, plate, or DIN rail
• Manual or automatic reset for flexibility
• Compact design with IP20 protection

Suitable for

• Motor protection in industrial automation
• Pump, fan, and conveyor systems
• HVAC equipment
• Machine tools and compressors

Key specifications

• Product Type: Thermal Overload Relay
• Series: TeSys LRD
• Thermal Adjustment Range: 5.5 - 8 A
• Trip Class: Class 10A
• Number of Poles: 3P
• Rated Insulation Voltage (Ui): 690 V AC
• Rated Impulse Withstand Voltage (Uimp): 6 kV
• Protection Type: Overload, Phase Failure
• Mounting Type: Direct under Contactor, Plate, Rail
• Reset Type: Manual/Automatic
• IP Protection Rating: IP20
• Operating Temperature Range: -20 - 60 °C
• Storage Temperature Range: -60 - 70 °C
• Standards: IEC 60947-4-1, EN 60947-4-1, UL 508, CSA C22.2 No 14
• Certifications: ATEX D 2, CCC, CSA, GOST, UL, DNV, GL, RINA, LROS, BV
• Compatibility: TeSys D Contactors

Recommendations

For optimal performance, pair the LRD12 with a compatible TeSys D contactor. Ensure proper wiring and settings according to the motor full load current. This relay is ideal for applications requiring reliable motor protection in harsh industrial conditions.