The Schneider Electric LR2K0314 is a TeSys K differential thermal overload relay for motor protection, with a thermal overload adjustment range of 5.5 to 8 A and tripping class 10A per IEC 60947-4-1. Compatible with TeSys K contactors including LC1K, LC7K, LP1K, and LP4K, it operates on both AC and DC networks with a rated insulation voltage up to 690 V. Its compact 45 x 58 x 65 mm housing and integrated phase loss sensitivity make it a precise, space-saving motor protection device.

Technical specifications:

• Commercial reference: LR2K0314
• Manufacturer: Schneider Electric
• EAN: 3389110230574
• Series / range: TeSys K (TeSys LRK)
• Product type: Differential thermal overload relay
• Application: Motor protection
• Thermal overload adjustment: 5.5…8 A
• Tripping class: Class 10A per IEC 60947-4-1
• Network type: AC and DC
• Rated insulation voltage [Ui]: 690 V (IEC 60947 / BS 4941), 750 V (VDE 0110 Group C), 600 V (CSA C22.2 No 14)
• Rated impulse withstand voltage [Uimp]: 6 kV
• Auxiliary contact composition: 1 NO + 1 NC
• Thermal current in air [Ith]: 6 A (control circuit)
• Power dissipation per pole: 2 W
• Phase loss sensitivity: Yes, per IEC 60947-4-1
• Mounting: Direct below contactor; panel or DIN rail mounting with accessories
• Connection: Screw terminal blocks, 0.34…4 mm, tightening torque 1.3 N.m
• Dimensions (W x H x D): 45 x 58 x 65 mm
• Weight: 0.145 kg
• IP protection: IP2x per IEC 60529
• Operating temperature: -20…55C without characteristic change per IEC 60947
• Standards: IEC 60947, VDE 0660, NF C 63-650, BS 4941
• Certifications: UL, CSA, UKCA

Features and benefits:

• Phase loss sensitivity detects single-phasing conditions to prevent motor damage, compliant with IEC 60947-4-1
• Yellow trip indicator gives clear local signalling of overload trip events
• Red button enables trip function testing; blue button allows stop and manual reset
• Selector switch provides choice between manual and automatic reset mode for flexible fault recovery
• Direct mounting below TeSys K contactors minimises panel space and simplifies wiring
• Network frequency tolerance up to 400 Hz suits a wide range of AC supply conditions

Applications:

• Motor protection in industrial automation and machine building control panels
• Direct-on-line and reversing motor starter assemblies using TeSys K contactors
• Pump and fan motor protection in HVAC and water treatment installations
• Conveyor and compressor motor protection in manufacturing environments

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

Also known as: Schneider LR2K0314, Schneider Electric LR2K0314, TeSys K thermal overload relay, LR2K 8A motor protection relay.