SchneiderContactors and Protection Relays

LC1K1210U7

Name: LC1K1210U7
Brand: Schneider
SKU: LC1K1210U7

Compact 3-pole TeSys K contactor for motor applications, rated 12A AC-3, 5.5kW@400V.

Product ModelLC1K1210U7

Product ID38496

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
FeatureCompact design for easy installation
2
FeatureDIN-rail compatible for space efficiency
3
FeatureHigh reliability in motor applications
4
Feature230-240V 50/60Hz AC coil for versatile use
5
FeatureBuilt-in 1NO auxiliary contact for additional functionality

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Range

TeSys

Product or Component Type

Contactor

Device short name

LC1K

Device Application

Control

Contactor application

Motor controlResistive load

Utilisation category

AC-3AC-3eAC-1AC-4

[Ue] rated operational voltage

Power circuit <= 690 V AC <= 400 Hz,Signalling circuit <= 690 V AC <= 400 Hz

[Ie] rated operational current

12 A (at <140 °F (60 °C)) at <= 440 V AC AC-3 for power circuit12 A (at <140 °F (60 °C)) at <= 440 V AC AC-3e for power circuit20 A (at <140 °F (60 °C)) at <= 690 V AC AC-1 for power circuit

Motor power kW

3 kW 220...230 V AC 50/60 Hz AC-35.5 kW 380...415 V AC 50/60 Hz AC-35.5 kW 440 V AC 50/60 Hz AC-34 kW 690 V AC 50/60 Hz AC-33 kW 220...230 V AC 50/60 Hz AC-3e5.5 kW 380...415 V AC 50/60 Hz AC-3e5.5 kW 440 V AC 50/60 Hz AC-3e4 kW 690 V AC 50/60 Hz AC-3e3 kW 220...230 V AC 50/60 Hz AC-45.5 kW 380...415 V AC 50/60 Hz AC-45.5 kW 440 V AC 50/60 Hz AC-44 kW 690 V AC 50/60 Hz AC-4

Auxiliary contact composition

1 NO

[Ith] conventional free air thermal current

20 A (at 140 °F (60 °C)) for power circuit10 A (at 122 °F (50 °C)) for signalling circuit

Irms rated making capacity

144 A AC for power circuit conforming to IEC 60947110 A AC for signalling circuit conforming to IEC 60947

Rated breaking capacity

110 A at 440 V conforming to IEC 6094780 A at 500 V conforming to IEC 6094770 A at 660...690 V conforming to IEC 60947

[Icw] rated short-time withstand current

115 A 122 °F (50 °C) - 1 s for power circuit105 A 122 °F (50 °C) - 5 s for power circuit100 A 122 °F (50 °C) - 10 s for power circuit75 A 122 °F (50 °C) - 30 s for power circuit55 A 122 °F (50 °C) - 1 min for power circuit50 A 122 °F (50 °C) - 3 min for power circuit25 A 122 °F (50 °C) - >= 15 min for power circuit80 A - 1 s for signalling circuit90 A - 500 ms for signalling circuit110 A - 100 ms for signalling circuit

Associated fuse rating

25 A gG at <= 440 V for power circuit25 A aM for power circuit10 A gG for signalling circuit conforming to IEC 6094710 A gG for signalling circuit conforming to VDE 0660

Average impedance

3 mOhm - Ith 20 A 50 Hz for power circuit

[Ui] rated insulation voltage

Power circuit 600 V UL 508Power circuit 690 V IEC 60947-4-1Signalling circuit 690 V IEC 60947-4-1Signalling circuit 690 V IEC 60947-5-1Signalling circuit 600 V UL 508Power circuit 600 V CSA C22.2 No 14Signalling circuit 600 V CSA C22.2 No 14

Insulation resistance

> 10 MOhm for signalling circuit

Connections - terminals

screw clamp terminals 1 0.002...0.006 inÂ² (1.5...4 mmÂ²)solid screw clamp terminals 1 0.001...0.006 inÂ² (0.75...4 mmÂ²)flexible without cable end screw clamp terminals 1 0.0005...0.004 inÂ² (0.34...2.5 mmÂ²)flexible with cable end screw clamp terminals 2 0.002...0.006 inÂ² (1.5...4 mmÂ²)solid screw clamp terminals 2 0.001...0.006 inÂ² (0.75...4 mmÂ²)flexible without cable end screw clamp terminals 2 0.0005...0.002 inÂ² (0.34...1.5 mmÂ²)flexible with cable end

Maximum operating rate

3600 cyc/h

Mounting Support

RailPlate

Tightening torque

7.08...11.5 lbf.in (0.8...1.3 N.m) screw clamp terminals Philips No 2 7.08...11.5 lbf.in (0.8...1.3 N.m) screw clamp terminals flat Ã 6 mm 7.08...11.5 lbf.in (0.8...1.3 N.m) screw clamp terminals pozidriv No 2

Operating time

10...20 ms coil de-energisation and NO opening10...20 ms coil energisation and NO closing

Safety reliability level

B10d = 1369863 cycles contactor with nominal load EN/ISO 13849-1B10d = 20000000 cycles contactor with mechanical load EN/ISO 13849-1

Electrical durability

1.3 Mcycles 12 A AC-3 <= 440 V1.3 Mcycles 12 A AC-3e <= 440 V0.3 Mcycles 20 A AC-1 <= 690 V0.02 Mcycles 72 A AC-4 <= 440 V

Mechanical robustness

Shocks contactor closed, on X axis10 Gn for 11 ms IEC 60068-2-27Shocks contactor closed, on Y axis15 Gn for 11 ms IEC 60068-2-27Shocks contactor closed, on Z axis15 Gn for 11 ms IEC 60068-2-27Shocks contactor opened, on X axis6 Gn for 11 ms IEC 60068-2-27Shocks contactor opened, on Y axis10 Gn for 11 ms IEC 60068-2-27Shocks contactor opened, on Z axis10 Gn for 11 ms IEC 60068-2-27Vibrations contactor closed4 Gn, 5...300 Hz IEC 60068-2-6Vibrations contactor opened2 Gn, 5...300 Hz IEC 60068-2-6