Product data sheet
Characteristics
LR2K0305
TeSys K - differential thermal overload relays -
0.54...0.8 A - class 10A
Main
Range TeSys
Product name TeSys LRK
Product or component type Differential thermal overload relay
Device short name LR2K
Relay application Motor protection
Product compatibility LC1K
Network type AC
Thermal overload class Class 10A conforming to IEC 60947-4-1
Thermal protection adjustment range 0.54...0.8 A
[Ui] rated insulation voltage 600 V power circuit conforming to CSA C22.2 No 14
LP1K
LC7K
LP4K
DC
690 V power circuit conforming to BS 4941
690 V power circuit conforming to IEC 60947
750 V power circuit conforming to VDE 0110 group C
Complementary
Network frequency <= 400 Hz
Mounting support Plate with specific accessories
Auxiliary contact composition 1 NO + 1 NC
[Ith] conventional free air thermal
current
[Ue] rated operational voltage <= 690 V for power circuit
Associated fuse rating 6 A gG for signalling circuit conforming to VDE 0660
[Uimp] rated impulse withstand voltage 6 kV
Power dissipation per pole 2 W
Phase failure sensitivity Yes conforming to IEC 60947-4-1
Local signalling Trip indicator (yellow)
Oct 12, 2018
Rail with specific accessories
Under contactor
6 A for signalling circuit
690 V AC AC-15 for signalling circuit
250 V DC DC-13 for signalling circuit
6 A gG for signalling circuit conforming to IEC 60947
Disclaimer: This documentation is not intended as a substitute for and is not to be used for determining suitability or reliability of these products for specific user applications
1
Control type Red push-button trip test function
Connections - terminals Screw clamp terminals 1 cable(s) 1.5...4 mm² - cable stiffness: solid
Tightening torque 1.3 N.m - on screw clamp terminals - with screwdriver Philips No 2
Height 58 mm
Width 45 mm
Depth 65 mm
Product weight 0.145 kg
Blue push-button stop and manual reset
Selector switch manual or automatic for reset mode
Screw clamp terminals 1 cable(s) 0.75...4 mm² - cable stiffness: flexible - without cable end
Screw clamp terminals 1 cable(s) 0.34...2.5 mm² - cable stiffness: flexible - with cable end
Screw clamp terminals 2 cable(s) 1.5...4 mm² - cable stiffness: solid
Screw clamp terminals 2 cable(s) 0.75...4 mm² - cable stiffness: flexible - without cable end
Screw clamp terminals 2 cable(s) 0.34...1.5 mm² - cable stiffness: flexible - with cable end
1.3 N.m - on screw clamp terminals - with screwdriver flat Ø 6 mm
Environment
Standards BS 4941
Product certifications CSA
Protective treatment TC conforming to IEC 60068
IP degree of protection IP2x conforming to IEC 60529
Ambient air temperature for operation -20...55 °C without derating conforming to IEC 60947
Ambient air temperature for storage -40...70 °C
Operating altitude 2000 m without derating
Fire resistance 850 °C conforming to IEC 60695-2-1
Flame retardance V1 conforming to UL 94
Mechanical robustness Shocks NO contact 10 Gn for 11 ms conforming to IEC 60068-2-27
IEC 60947
NF C 63-650
VDE 0660
UL
TC conforming to DIN 50016
-30...60 °C with derating conforming to IEC 60947
Requirement 2 conforming to NF F 16-101
Requirement 2 conforming to NF F 16-102
Shocks NC contact 10 Gn for 11 ms conforming to IEC 60068-2-27
Vibrations NO contact 2 Gn, 5...300 Hz conforming to IEC 60068-2-6
Vibrations NC contact 2 Gn, 5...300 Hz conforming to IEC 60068-2-6
Contractual warranty
Warranty period 18 months
2
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