Description
LR2K0308 – Differential thermal overload relays, TeSys K, 1.8 to 2.6A, class 10A
Tesys K thermal overload relays are designed to protect a.c. circuits and motors against overloads. They are simple to select and install at optimized budget, delivering strong performance for their compact size and promising seamless integration in all applications. Widely used for industry, infrastructure and building applications, they are designed for simple control systems.
Thermal protection adjustment range: 1.8 to 2.6 A
Thermal overload class: Class 10A IEC 60947-4-1
Product type: Differential thermal overload relay for motor protection
Compatibility: LP4K, LC1K, LC7K, LP1K contactors
Network types: DC and AC
Rated insulation voltages (Power circuit): 690 V (BS 4941 and IEC 60947), 750 V (VDE 0110 group C), 600 V (CSA C22.2 No 14)
Network frequency: up to 400 Hz
Mounting: Under contactor, plate or rail with specific accessories
Auxiliary contacts: 1 NO + 1 NC
Conventional free air thermal current: 6 A signalling circuit
Rated operational voltage: up to 690 V power circuit, 690 V AC (AC-15 signalling circuit), 250 V DC (DC-13 signalling circuit)
Associated fuse rating: 6 A gG conforming to VDE 0660 and IEC 60947 for signalling circuits
Rated impulse withstand voltage: 6 kV
Power dissipation per pole: 2 W
Phase failure sensitivity: Yes IEC 60947-4-1
Local signalling: Yellow trip indicator
Control type: Red push-button trip test, blue push-button stop and manual reset, selector switch manual or automatic reset
Terminal connections: Screw clamp terminals suitable for solid and flexible wires, cross-section 0.34 to 4 mm² depending on terminal type
Tightening torque: 1.3 N.m
Dimensions: Height 5.8 cm, Width 4.5 cm, Depth 6.5 cm
Net weight: 0.145 kg
Standards and certifications: BS 4941, VDE 0660, IEC 60947, NF C 63-650; UL, CSA, UKCA certified
Protection degree: IP2X according to IEC 60529
Operating ambient temperature: -20 to 55 °C without derating, -30 to 60 °C with derating
Storage temperature: -40 to 70 °C
Operating altitude: up to 2000 m without derating
Fire resistance temperature: 850 °C IEC 60695-2-1
Flame retardance: V1 UL 94 and NF F 16-101/102 requirements
Mechanical robustness: Shock 10 Gn for 11 ms, vibrations 2 Gn from 5 to 300 Hz according to IEC 60068-2 standards
Country of origin: CZ
Packaging dimensions and weight: Package 1 – 7.2 x 4.8 x 8.5 cm, 157 g; Package 2 – 15 x 30 x 40 cm, 6.8 kg containing 41 units; Package 3 – 75 x 60 x 80 cm, 118.772 kg containing 656 units
Warranty: 18 months
Customs Tariff Code: 853620
