SchneiderContactors and Protection Relays

LC1K0910B7

Name: LC1K0910B7
Brand: Schneider
SKU: LC1K0910B7

Compact 3-pole TeSys K contactor for simple motor applications, rated up to 4kW@400V.

Product ModelLC1K0910B7

Product ID38529

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
FeatureCompact design for easy DIN-rail mounting.
2
FeatureRated for 9A AC-3, 4kW@400V, suitable for various motor applications.
3
FeatureIncludes a 24V 50/60Hz AC coil and 1NO auxiliary contact.
4
FeatureCompliant with multiple international standards (IEC, UL, CSA, CCC, EAC, Marine).
5
FeatureCertified Green Premium (RoHs/Reach) for environmental sustainability.

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

power pole contact composition

3 NO

[Ue] rated operational voltage

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

[Ie] rated operational current

9 A (at <140 °F (60 °C)) at <= 440 V AC AC-3 for power circuit9 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

Control circuit type

AC 50/60 Hz

[Uc] control circuit voltage

24 V AC 50/60 Hz

Motor power kW

2.2 kW 220...230 V AC 50/60 Hz AC-34 kW 380...415 V AC 50/60 Hz AC-34 kW 440/690 V AC 50/60 Hz AC-32.2 kW 220...230 V AC 50/60 Hz AC-3e4 kW 380...415 V AC 50/60 Hz AC-3e4 kW 440/690 V AC 50/60 Hz AC-3e2.2 kW 220...230 V AC 50/60 Hz AC-44 kW 380...415 V AC 50/60 Hz AC-44 kW 440/690 V AC 50/60 Hz AC-4

Auxiliary contact composition

1 NO

[Uimp] rated impulse withstand voltage

8 kV

Overvoltage category

III

[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

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

Rated breaking capacity

110 A at 220...230 V conforming to IEC 60947110 A at 380...400 V conforming to IEC 60947110 A at 415 V conforming to IEC 60947110 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

90 A 122 °F (50 °C) - 1 s for power circuit85 A 122 °F (50 °C) - 5 s for power circuit80 A 122 °F (50 °C) - 10 s for power circuit60 A 122 °F (50 °C) - 30 s for power circuit45 A 122 °F (50 °C) - 1 min for power circuit40 A 122 °F (50 °C) - 3 min for power circuit20 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

Insulation resistance

> 10 MOhm for signalling circuit

Inrush power in VA

30 VA (at 68 °F (20 °C))

Hold-in power consumption in VA

4.5 VA (at 68 °F (20 °C))

Heat dissipation

1.3 W

Control circuit voltage limits

Operational: 0.8...1.15 Uc (at <122 °F (50 °C))Drop-out: >= 0.20 Uc (at <122 °F (50 °C))

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

Auxiliary contacts type

Instantaneous 1 NO

Signalling circuit frequency

<= 400 Hz

Minimum switching current

5 mA for signalling circuit

Minimum switching voltage

17 V for signalling circuit

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

Non overlap distance

0.02 in (0.5 mm)

Mechanical durability

10 Mcycles

Electrical durability

1.3 Mcycles 9 A AC-3 <= 440 V1.3 Mcycles 9 A AC-3e <= 440 V0.16 Mcycles 20 A AC-1 <= 690 V0.02 Mcycles 54 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

Height

2.3 in (58 mm)

Width

1.8 in (45 mm)

Depth

2.2 in (57 mm)

Standards

EN/IEC 60947-4-1GB/T 14048.4UL 60947-4-1CSA C22.2 No 60947-4-1JIS C8201-4-1IEC 60335-1:Clause 30.2IEC 60335-2-40:Annex JJUL 60335-2-40:Annex JJ

Product Certifications

CB SchemeCCCULCSAEACCEUKCA

Protective treatment

TC IEC 60068TC DIN 50016

Operating altitude

6561.68 ft (2000 m) without derating

Flame retardance

V1 conforming to UL 94Requirement 2 conforming to NF F 16-101Requirement 2 conforming to NF F 16-102