Schneider LR2K0304 TeSys K Overload Relay 0.36-0.54A Class 10A Direct Mount

The Schneider Electric LR2K0304 is a TeSys K series differential thermal overload relay designed for motor protection. It provides adjustable thermal overload protection from 0.36 to 0.54 A with trip class 10A per IEC 60947-4-1, and is compatible with LP1K, LC1K, LC7K, and LP4K contactors for AC and DC network applications.

Technical specifications:

• Commercial reference: LR2K0304
• Manufacturer: Schneider Electric
• EAN:
• Series / range: TeSys K
• Product type: Differential thermal overload relay
• Application: Motor protection
• Network type: AC / DC
• Thermal overload setting: 0.36...0.54 A
• Trip class: Class 10A per IEC 60947-4-1
• Rated insulation voltage: 690 V (IEC 60947), 750 V (VDE 0110 group C)
• Rated impulse withstand voltage: 6 kV
• Auxiliary contacts: 1 NO + 1 NC
• Permissible thermal current (ith): 6 A for control circuit
• Phase loss sensitivity: Yes per IEC 60947-4-1
• Mounting: Below contactor; on plate or rail with accessory
• Connection: Screw terminal blocks, 0.34...4 mm² solid or flexible
• 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)
• Storage temperature: -40...70 °C
• Operating altitude: 2000 m without change in characteristics
• Standards: IEC 60947, NF C 63-650, VDE 0660, BS 4941
• Certifications: UL, CSA, UKCA

Features and benefits:

• Phase loss detection per IEC 60947-4-1 for comprehensive motor protection
• Yellow trip indicator provides clear local fault signaling
• Red test button allows verification of the trip function without disconnecting load
• Blue button for motor stop and manual reset; selector switch for manual or automatic reset mode
• Direct mounting below TeSys K contactors simplifies panel assembly and reduces wiring

Applications:

• Motor protection in industrial control and automation panels
• Direct-on-line starter assemblies with TeSys K series contactors
• AC and DC motor drive protection in machine control panels
• Low-power motor control applications requiring Class 10A trip protection

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

Also known as: Schneider LR2K0304, Schneider Electric LR2K0304, TeSys K overload relay, thermal overload relay 0.36-0.54A.