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Picture of TeSys, Differential thermal overload relay, TeSys K, 2.6...3.7A, class 10A
SKU:

LR2K0310

TeSys, Differential thermal overload relay, TeSys K, 2.6...3.7A, class 10A

$57.10
Available for Shipping : 17-Nov-2024
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TeSys, Differential thermal overload relay, TeSys K, 2.6...3.7A, class 10A
  • Tesys K thermal overload relays are designed to protect a.c. circuits and motors against overloads.
  • Simple to select and install at optimized budget
  • The range delivers strong performance for its compact size and promises seamless integration in all applications.
  • Widely used for industry, infrastructure and building applications.
  • Designed for simple control systems
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Manufacturer: Schneider Electric
Catalogue
End of life manual
Product environmental
Product Page Link
Product Data Sheet
TeSys LRK thermal overload relay, 3.7A/690V, thermal setting range 2.6-3.7A, tripping class 10A, for protection of 3-phase motors 1.1-1.5kW@400V. Differential device with phase failure and load unbalance detection. It provides a thermal adjustement dial, a manual-automatic reset selector, a test slide switch for simulation of a tripping, reset/stop button, a flag indicator and 2 auxiliary contacts 1NO+1NC for fault signalling. Settings are protected by a transparent cover lockable by sealing. Connection by screw clamp terminals, it connects directly to the bottom terminals of 3-pole contactors LC1K06-K16. Mounting on DIN rail, separated from the contactor, with use of a terminal block LA7K0064 (to be ordered separately). Multi standards certified (IEC, UL, CSA, CCC, EAC), Green Premium compliant (RoHs/Reach).

Products specifications

Attribute name Attribute value
Main
Device short name LR2K
Product compatibility LC1K, LP4K, LP1K, LC7K
Range TeSys
Thermal overload class class 10A conforming to IEC 60947-4-1
Range of product TeSys K thermal overload relays
[Ui] rated insulation voltage power circuit: 600 V conforming to CSA C22.2 No 14, power circuit: 750 V conforming to VDE 0110 group C, power circuit: 690 V conforming to IEC 60947, power circuit: 690 V conforming to BS 4941
Product name TeSys LRK
Product or component type differential thermal overload relay
Relay application motor protection
Network type AC, DC
Thermal protection adjustment range 2.6-3.7 A
Complementary
Compatibility code LR2K
Tightening torque 1.3 N.m - on screw clamp terminals - with screwdriver pozidriv No 2, 1.3 N.m - on screw clamp terminals - with screwdriver flat Ø 6 mm, 1.3 N.m - on screw clamp terminals - with screwdriver Philips No 2
Power dissipation per pole 2 W
Connections - terminals screw clamp terminals 2 cable(s) 0.34-1.5 mm²flexible with cable end, screw clamp terminals 1 cable(s) 0.34-2.5 mm²flexible with cable end, screw clamp terminals 2 cable(s) 0.75-4 mm²flexible without cable end, screw clamp terminals 1 cable(s) 0.75-4 mm²flexible without cable end, screw clamp terminals 2 cable(s) 1.5-4 mm²solid, screw clamp terminals 1 cable(s) 1.5-4 mm²solid
Associated fuse rating 6 A gG for signalling circuit conforming to IEC 60947, 6 A gG for signalling circuit conforming to VDE 0660
Phase failure sensitivity yes conforming to IEC 60947-4-1
[Ith] conventional free air thermal current 6 A for signalling circuit
Height 58 mm
Depth 65 mm
Width 45 mm
Mounting support rail, with specific accessories, plate, with specific accessories, under contactor
Control type selector switch: manual or automatic reset, blue push-button: stop and manual reset, red push-button: trip test function
Local signalling trip indicator (yellow)
[Uimp] rated impulse withstand voltage 6 kV
Net weight 0.145 kg
[Ue] rated operational voltage 250 V DC DC-13 for signalling circuit, 690 V AC AC-15 for signalling circuit, <= 690 V for power circuit
Auxiliary contact composition 1 NO + 1 NC
Network frequency <= 400 Hz
Environment
Fire resistance 850 °C conforming to IEC 60695-2-1
Protective treatment TC conforming to DIN 50016, TC conforming to IEC 60068
Ambient air temperature for storage -40-70 °C
IP degree of protection IP2X conforming to IEC 60529
Ambient air temperature for operation -30-60 °C with derating conforming to IEC 60947, -20-55 °C without derating conforming to IEC 60947
Mechanical robustness vibrations NC contact: 2 Gn, 5...300 Hz conforming to IEC 60068-2-6, vibrations NO contact: 2 Gn, 5...300 Hz conforming to IEC 60068-2-6, shocks NC contact: 10 Gn for 11 ms conforming to IEC 60068-2-27, shocks NO contact: 10 Gn for 11 ms conforming to IEC 60068-2-27
Operating altitude 2000 m without derating
Flame retardance requirement 2 conforming to NF F 16-102, requirement 2 conforming to NF F 16-101, V1 conforming to UL 94
Standards NF C 63-650, BS 4941, VDE 0660, IEC 60947
Product certifications UKCA, CSA, UL
Packing Units
Unit Type of Package 1 1
Number of Units in Package 1 1
Package 1 Height 5.000 cm
Package 1 Width 7.000 cm
Package 1 Length 8.500 cm
Package 1 Weight 158.400 g
Unit Type of Package 2 2
Number of Units in Package 2 41
Package 2 Height 15.000 cm
Package 2 Width 30.000 cm
Package 2 Length 40.000 cm
Package 2 Weight 6.731 kg
Unit Type of Package 3 3
Number of Units in Package 3 656
Package 3 Height 75.000 cm
Package 3 Width 80.000 cm
Package 3 Length 60.000 cm
Package 3 Weight 115.702 kg

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