The Schneider Electric LRD05 is a TeSys LRD thermal overload relay with a current setting range of 0.63-1 A, designed for motor protection in AC and DC networks. Part of the TeSys Deca range, it delivers tripping class 10A per IEC 60947-4-1 and mounts directly below LC1D-series contactors for a compact, integrated motor starter assembly.

Technical specifications:

• Commercial reference: LRD05
• Manufacturer: Schneider Electric
• EAN: 3389110346756
• Series / range: TeSys LRD / TeSys Deca
• Product type: Differential thermal overload relay
• Relay application: Motor protection
• Current setting range: 0.63-1 A
• Tripping class: Class 10A per IEC 60947-4-1
• Network type: AC / DC, 0-400 Hz
• Rated insulation voltage [Ui]: 690 V (IEC 60947-4-1), 600 V (UL/CSA)
• Rated impulse withstand voltage [Uimp]: 6 kV
• Tripping threshold: 1.14 +/- 0.06 Ir per IEC 60947-4-1
• Auxiliary contact: 1 NO + 1 NC
• Compatible contactors: LC1D09, LC1D12, LC1D18, LC1D25, LC1D32, LC1D38
• Mounting: Below contactor, on panel or DIN rail (with separate accessories)
• Connection: Screw terminal blocks; power circuit 1.5-10 mm, control circuit 1-2.5 mm
• IP protection: IP20 per IEC 60529
• Operating temperature: -20…60 C per IEC 60947-4-1
• Storage temperature: -60…70 C
• Dimensions (WxHxD): 45 x 66 x 70 mm
• Weight: 0.124 kg

Features and benefits:

• Phase loss sensitivity: trips at 130% of Ir on two phases with the last phase at zero, guarding against single-phasing damage
• Temperature compensation across the full -20…60 C operating range ensures accurate, consistent tripping
• Integrated red stop button and blue reset button for convenient local manual control
• Direct plug-in mounting below LC1D contactors eliminates additional wiring for a compact motor starter
• Broad certification portfolio including ATEX INERIS, UKCA, and marine approvals (DNV-GL, BV, RINA, LROS) for demanding environments

Applications:

• Motor protection in industrial motor control centers and automation panels
• Combined motor starters assembled with LC1D09 through LC1D38 contactors
• Pump, fan, and compressor drive overload protection
• Marine and hazardous area installations requiring DNV-GL, BV, or ATEX certification

Compliant with EN/IEC 60947-4-1, EN/IEC 60947-5-1, UL 60947-4-1, CSA C22.2 No 60947-4-1, and GB/T 14048.4. Part of the Schneider Electric TeSys Deca range.

Also known as: Schneider LRD05, Schneider Electric LRD05, TeSys thermal relay, motor overload relay 1A.