Schneider LR2K0308 TeSys K Overload Relay 1.8-2.6A Class 10A Direct Mount

The Schneider Electric LR2K0308 is a TeSys K differential thermal overload relay designed for motor protection. It provides thermal overload protection with an adjustable current setting of 1.8 to 2.6 A and tripping class 10A in accordance with IEC 60947-4-1. The relay includes built-in phase loss sensitivity and mounts directly below TeSys K contactors for compact motor starter assemblies.

Technical specifications:

• Commercial reference: LR2K0308
• Manufacturer: Schneider Electric
• EAN:
• Series / range: TeSys K (TeSys LRK)
• Product type: Differential thermal overload relay
• Relay application: Motor protection
• Thermal overload setting: 1.8...2.6 A
• Trip class: Class 10A per IEC 60947-4-1
• Network type: AC and DC
• Network frequency: up to 400 Hz
• Rated insulation voltage [Ui]: 690 V (IEC 60947), 750 V (VDE 0110 group C), 600 V (CSA)
• Rated impulse withstand voltage [Uimp]: 6 kV
• Permitted thermal current [Ith]: 6 A for control circuit
• Rated operational voltage [Ue]: up to 690 V AC (AC-15), 250 V DC (DC-13) for control circuit
• Auxiliary contact composition: 1 NO + 1 NC
• Power dissipation per pole: 2 W
• Phase loss sensitivity: Yes, per IEC 60947-4-1
• Compatible products: LP4K, LC1K, LC7K, LP1K
• Connection: Screw terminals, 1.5...4 mm² solid or 0.75...4 mm² flexible conductors
• Tightening torque: 1.3 N.m
• Dimensions (WxHxD): 45 x 58 x 65 mm
• Weight: 0.145 kg
• IP protection: IP2x per IEC 60529
• Operating temperature: -20...55°C (no change in characteristics) per IEC 60947
• Storage temperature: -40...70°C
• Operating altitude: up to 2000 m without change in characteristics
• Certifications: UL, CSA, UKCA
• Standards: IEC 60947, BS 4941, VDE 0660, NF C 63-650

Features and benefits:

• Phase loss sensitivity detects single-phasing conditions to prevent motor damage
• Yellow trip indicator provides immediate local visual fault signaling
• Selector switch allows choice between manual or automatic reset after a trip
• Red test button enables functional verification of the trip mechanism during commissioning
• Direct mounting below TeSys K contactors simplifies panel wiring and saves space
• Suitable for rail, panel, or contactor mounting with optional accessories

Applications:

• Motor starter assemblies using TeSys K contactors (LP4K, LC1K, LC7K, LP1K)
• Overload protection for small three-phase motors in industrial control panels
• Pump and compressor motor protection in building services installations
• Conveyor and handling equipment drive protection
• Compact motor control centres requiring direct-mount thermal protection

Compliant with IEC 60947-4-1, BS 4941, VDE 0660, and NF C 63-650. Part of the Schneider Electric TeSys K range.

Also known as: Schneider LR2K0308, Schneider Electric LR2K0308, TeSys K thermal overload relay, motor protection relay 2.6A.