SchneiderContactors and Protection Relays

LC2K12004B7

Name: LC2K12004B7
Brand: Schneider
SKU: LC2K12004B7

The LC2K12004B7 changeover contactor from Schneider Electric is designed for reliable power control in industrial applications. It features a 4P configuration, 24V coil voltage, and 20A current capacity.

Product ModelLC2K12004B7

Product ID33549

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
Feature-

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Range

TeSys

Product name

TeSys K

Product or Component Type

Changeover contactor

Device short name

LC2K

Device Application

Control

Contactor application

Resistive load

Utilisation category

Device presentation

Preassembled with reversing power busbar

Poles description

power pole contact composition

4 NO

[Ue] rated operational voltage

Power circuit 690 V AC 50/60 Hz

[Ie] rated operational current

20 A (at <122 °F (50 °C)) at <= 440 V AC AC-1 for power circuit16 A (at <158 °F (70 °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

[Uimp] rated impulse withstand voltage

8 kV

Overvoltage category

III

[Ith] conventional free air thermal current

20 A (at 122 °F (50 °C)) for power circuit

Irms rated making capacity

144 A at 690 V AC for power circuit conforming to NF C 63-110144 A at 690 V AC for power 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 circuit

Associated fuse rating

25 A gG at <= 440 V for power circuit25 A aM for power circuit

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 60947-4-1Power circuit 600 V CSA C22.2 No 14

Electrical durability

0.3 Mcycles 20 A AC-1 <= 440 V

Interlocking type

Mechanical

Mounting Support

RailPlate

Standards

EN/IEC 60947-4-1GB/T 14048.4UL 60947-4-1CSA C22.2 No 60947-4-1JIS C8201-4-1

Product Certifications

CB SchemeCCCULCSAEACCEUKCA

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

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

Operating time

10...20 ms coil energisation and NO closing10...20 ms coil de-energisation and NO opening

Safety reliability level

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

Mechanical durability

5 Mcycles

Maximum operating rate

3600 cyc/h

Control circuit voltage limits

Operational: 0.8...1.15 Uc (at <122 °F (50 °C))Drop-out: 0.2...0.75 Uc (at <122 °F (50 °C))

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

IP degree of protection

IP20 VDE 0106

Protective treatment

TC IEC 60068TC DIN 50016

Ambient Air Temperature for Operation

-13...122 °F (-25...50 °C)

Ambient Air Temperature for Storage

-58...176 °F (-50...80 °C)

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

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

3.5 in (90 mm)

Depth

2.2 in (57 mm)

Net Weight

0.84 lb(US) (0.38 kg)