Schneider LR2K0321 TeSys K Overload Relay 10-14A Class 10A Direct Mount

The Schneider Electric LR2K0321 is a TeSys K differential thermal overload relay for motor protection, with an adjustable current setting of 10 to 14 A and Class 10A trip characteristics per IEC 60947-4-1. Compatible with TeSys K contactors (LC1K, LC7K, LP1K, LP4K), it supports both AC and DC network types.

Technical specifications:

• Commercial reference: LR2K0321
• Manufacturer: Schneider Electric
• EAN:
• Series / range: TeSys K (TeSys LRK)
• Product type: Differential thermal overload relay
• Relay function: Motor protection
• Thermal overload setting: 10...14 A
• Trip class: Class 10A per IEC 60947-4-1
• Network type: AC / DC
• Network frequency: up to 400 Hz
• Rated insulation voltage (Ui): 690 V (IEC 60947), 750 V (VDE 0110 group C), 600 V (CSA C22.2 No 14)
• Impulse withstand voltage (Uimp): 6 kV
• Auxiliary contacts: 1 NO + 1 NC
• Thermal current in air (Ith): 6 A (signal circuit)
• Power dissipation per pole: 2 W
• Phase loss sensitivity: Yes
• Mounting: Below contactor / panel or DIN rail with separate accessories
• Connection: Screw terminal blocks, 1.5...4 mm² solid, 0.75...4 mm² flexible
• 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 (IEC 60529)
• Operating temperature: -20...55°C without characteristic changes / -30...60°C with characteristic changes
• Storage temperature: -40...70°C
• Operating altitude: up to 2000 m
• Standards: IEC 60947, BS 4941, VDE 0660, NF C 63-650
• Certifications: UL, CSA, UKCA

Features and benefits:

• Phase loss sensitivity per IEC 60947-4-1 protects motors against single-phasing faults
• Yellow trip indicator for immediate visual fault identification
• Red test button verifies trip function; blue button provides stop and manual reset
• Selector switch for manual or automatic reset mode to suit application requirements
• Direct-mount compatibility below TeSys K contactors reduces wiring and panel space

Applications:

• Motor starter assemblies in industrial control panels using TeSys K contactors
• Protection of small three-phase AC and DC motors in manufacturing and process automation
• Compact machine tool, HVAC, and building services motor control enclosures

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 LR2K0321, Schneider Electric LR2K0321, TeSys K thermal overload relay, motor protection relay 10-14A.