Description

Main
rangeTeSys

product nameTeSys LRK

product or component typeDifferential thermal overload relay

device short nameLR2K

relay applicationMotor protection

product compatibilityLC7K
LP1K
LC1K
LP4K

network typeDC
AC

thermal overload classClass 10A conforming to IEC 60947-4-1

thermal protection adjustment range8…11.5 A

[Ui] rated insulation voltagePower circuit: 690 V conforming to BS 4941
Power circuit: 690 V conforming to IEC 60947
Power circuit: 750 V conforming to VDE 0110 group C
Power circuit: 600 V conforming to CSA C22.2 No 14

Complementary
network frequency<= 400 Hz

mounting supportUnder contactor
Plate, with specific accessories
Rail, with specific accessories

auxiliary contact composition1 NO + 1 NC

[Ith] conventional free air thermal current6 A for signalling circuit

[Ue] rated operational voltage<= 690 V for power circuit
690 V AC AC-15 for signalling circuit
250 V DC DC-13 for signalling circuit

associated fuse rating6 A gG for signalling circuit conforming to VDE 0660
6 A gG for signalling circuit conforming to IEC 60947

[Uimp] rated impulse withstand voltage6 kV

power dissipation per pole2 W

phase failure sensitivityYes conforming to IEC 60947-4-1

local signallingTrip indicator (yellow)

control typeRed push-button: trip test function
Blue push-button: stop and manual reset
selector switch: manual or automatic reset

connections - terminalsScrew clamp terminals 1 cable(s) 1.5…4 mm²solid
Screw clamp terminals 2 cable(s) 1.5…4 mm²solid
Screw clamp terminals 1 cable(s) 0.75…4 mm²flexible without cable end
Screw clamp terminals 2 cable(s) 0.75…4 mm²flexible without cable end
Screw clamp terminals 1 cable(s) 0.34…2.5 mm²flexible with cable end
Screw clamp terminals 2 cable(s) 0.34…1.5 mm²flexible with cable end

tightening torque1.3 N.m - on screw clamp terminals - with screwdriver Philips No 2
1.3 N.m - on screw clamp terminals - with screwdriver flat Ø 6 mm

height58 mm

width45 mm

depth65 mm

net weight0.145 kg

Environment
standardsIEC 60947
VDE 0660
BS 4941
NF C 63-650

product certificationsUL
CSA

protective treatmentTC conforming to IEC 60068
TC conforming to DIN 50016

IP degree of protectionIP2x conforming to IEC 60529

ambient air temperature for operation-20…55 °C without derating conforming to IEC 60947
-30…60 °C with derating conforming to IEC 60947

ambient air temperature for storage-40…70 °C

operating altitude2000 m without derating

fire resistance850 °C conforming to IEC 60695-2-1

flame retardanceV1 conforming to UL 94
Requirement 2 conforming to NF F 16-101
Requirement 2 conforming to NF F 16-102

mechanical robustnessShocks NO contact: 10 Gn for 11 ms conforming to IEC 60068-2-27
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

Packing Units
Unit Type of Package 1PCE

Number of Units in Package 11

Package 1 Weight159 g

Package 1 Height4.8 cm

Package 1 width7.2 cm

Package 1 Length8.5 cm

Unit Type of Package 2S02

Number of Units in Package 241

Package 2 Weight6.852 kg

Package 2 Height15 cm

Package 2 width30 cm

Package 2 Length40 cm

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