SchneiderContactors and Protection Relays

LC1K0910B72

Name: LC1K0910B72
Brand: Schneider
SKU: LC1K0910B72

The Schneider Electric LC1K0910B72 is a 3-pole auxiliary contact designed for AC-3 applications up to 440V.

Product ModelLC1K0910B72

Product ID38530

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
FeatureIdeal for AC-3 applications up to 440V
2
FeatureReliable and efficient control solutions
3
FeatureMulticolour design for easy identification
4
Feature24 V AC control circuit voltage
5
Feature1 NO auxiliary contact for precise control

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

Resistive loadMotor control

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

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

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

[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

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

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 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