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  • New item   LC1K mini contactor | 3P | 12A | 5.5kW | 24VDC coil | 1NO auxiliary contact | for electric motors and control circuits
    New item   LC1K mini contactor | 3P | 12A | 5.5kW | 24VDC coil | 1NO auxiliary contact | for electric motors and control circuits 1
    New item   LC1K mini contactor | 3P | 12A | 5.5kW | 24VDC coil | 1NO auxiliary contact | for electric motors and control circuits 2
    New item   LC1K mini contactor | 3P | 12A | 5.5kW | 24VDC coil | 1NO auxiliary contact | for electric motors and control circuits 3

    LC1K mini contactor | 3P | 12A | 5.5kW | 24VDC coil | 1NO auxiliary contact | for electric motors and control circuits

    Code: LC1K12106BLS207
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    Price 52.10 € VAT incl.
    ( 43.06 € VAT excl. )
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    Compact three-pole electromagnetic contactor designed for controlling electrical circuits, motors, lighting, heating and other loads. The contactor has 3 main poles, a rated current of 12A, is suitable for loads up to 5.5kW, and features a 24VDC control coil and 1NO normally open auxiliary contact for signalling, interlocking or control circuits. 
  • Product description

    LC1K mini contactor – 3P, 12A, 5.5kW, 24VDC coil, 1NO auxiliary contact

    A compact three-pole electromagnetic contactor designed for controlling electrical circuits, motors, lighting, heating, and other loads. The contactor features 3 main poles, a 12A rated current, is suitable for loads up to 5.5kW, and is equipped with a 24VDC control coil and 1NO (normally open) auxiliary contact for signaling, interlocking, or control circuits.

    Key concept:
    The LC1K mini contactor is intended for reliable control of three-phase electrical loads where a compact device with a 24VDC control circuit is required. It can be used for motor starting and stopping, in automation cabinets, ventilation systems, pump control, heating circuits, and other industrial and commercial electrical installations.
    Main poles
    3P
    Rated current
    12A
    Control coil
    24VDC
    Auxiliary contact
    1NO

    Operating principle

    The contactor operates on an electromagnetic principle. When 24VDC voltage is applied to the control coil, the contactor activates and closes the three main contacts, allowing the connected three-phase load to receive power. When voltage is removed from the control coil, the main contacts open and the load is disconnected.

    The integrated 1NO auxiliary contact can be used for signaling, self-holding circuits, control logic, interlocking other contactors, or transmitting status to an automation system.

    Why is the 24VDC coil important?
    A 24VDC control voltage is commonly used in automation, PLCs, controllers, and safe low-voltage control circuits. This allows the contactor to be easily integrated into modern industrial control systems.

    Technical parameters

    Product code LC1K12106BLS207
    Product type Mini electromagnetic contactor
    Number of main poles 3P
    Rated current 12A
    Max controlled motor power Up to 5.5kW
    Control coil voltage 24VDC
    Auxiliary contact 1NO – Normally Open
    Intended use For controlling motors, pumps, fans, heating, lighting, and other electrical loads
    Weight 0.235 kg

    Where is it used?

    • Motor control – for pumps, fans, compressors, conveyors, and other loads.
    • Automation cabinets – when the contactor is controlled by a PLC, relays, pushbuttons, or other 24VDC control signals.
    • Ventilation and heating systems – for switching fans, heaters, valve actuators, and other electrical equipment.
    • Lighting control – for automatic switching of larger lighting groups.
    • Industrial and commercial facilities – in production areas, workshops, warehouses, technical rooms, and infrastructure sites.

    Practical use example

    For example, the contactor is mounted in an automation cabinet to control a three-phase fan or pump. The control signal from a thermostat, pressure switch, PLC controller, or manual button is fed to the 24VDC coil. The contactor activates and switches on the main load.

    The 1NO auxiliary contact can be used for status indication, a self-holding circuit, or to send a signal to another control device. For instance, it can light up a green indicator lamp when the motor is running, or provide a signal to a PLC input.

    Use by profession

    Electrician: A compact contactor suitable for mounting in control cabinets, electrical panels, and various automation systems. The 24VDC coil allows easy connection to safe low-voltage control circuits.

    Automation Specialist: Suitable for use with PLCs, programmable relays, sensors, timers, and other devices with 24VDC outputs or control circuits.

    Engineer / Designer: Can be used when designing control schematics for smaller motors, ventilation, pumps, conveyors, lighting, and technological equipment.

    Maintenance Technician: A practical choice for repairing or modernizing existing control cabinets when a 3P contactor with a 24VDC coil and an extra normally open contact is required.

    Pros

    • Compact mini contactor – convenient for mounting in control cabinets and tight spaces.
    • 3 main poles – designed for controlling three-phase loads.
    • 12A rated current – suitable for many small and medium electrical loads.
    • Up to 5.5kW motor control – practical for pumps, fans, and other equipment.
    • 24VDC control coil – compatible with many automation and PLC systems.
    • 1NO auxiliary contact – convenient for signaling, self-holding, or interlocking circuits.
    • Light weight – only 0.235 kg.

    Cons / limitations

    • Designed for 24VDC control – not suitable if 24VAC, 230VAC, or other coil voltages are required in the control circuit.
    • 12A current – larger loads may require a more powerful contactor.
    • 5.5kW power depends on motor and utilization category – always evaluate the specific application scheme.
    • Requires additional protection – appropriate overload and short-circuit protection must be provided in the motor circuit.
    • 1NO contact may be insufficient for complex signaling or interlocking circuits.

    Safety and installation notes

    The contactor must be installed and connected in accordance with electrical installation codes, control circuit standards, and the requirements of the specific equipment manufacturer.

    • Installation must be performed by a qualified electrician.
    • Disconnect power before starting installation work and verify that the circuit is de-energized.
    • Verify coil voltage – this model is intended for a 24VDC control circuit.
    • Evaluate load current and power – the contactor must be selected based on real-world operating conditions of the motor or load.
    • Use appropriate motor protection (thermal relay, circuit breaker, etc.) in the motor circuit.
    • Verify main and auxiliary contact wiring before energizing the system.

    Quick selection guide

    This mini contactor is suitable when you need a compact 3P contactor, controlled by 24VDC voltage, for loads up to 12A or motors up to 5.5kW, and other three-phase equipment.

    Main poles
    3P
    Rated current
    12A
    Coil
    24VDC
    Auxiliary contact
    1NO
    Suitable when you need:
    • three-phase motor, pump, or fan control;
    • a compact contactor for an automation cabinet;
    • a 24VDC control coil;
    • a 1NO contact for signaling or a self-holding circuit;
    • load capacity up to 12A or 5.5kW, depending on real conditions.
    Check before ordering:
    • if the control circuit truly uses 24VDC voltage;
    • if the 12A rated current is sufficient for the specific load;
    • if you require 1NO, 1NC, or a larger number of auxiliary contacts;
    • if motor power and starting conditions align with contactor selection;
    • if all necessary electrical protections are included.
    Important reminder:
    The contactor is not an independent motor protection device. Appropriate protection against overload, short-circuit, and other faults must be provided in the motor or load circuit.

    FAQ – Frequently Asked Questions

    Does this contactor fit a three-phase motor?
    Yes, the contactor has 3 main poles and can be used in three-phase motor control schematics. Before selecting, it is essential to evaluate motor current, power, starting conditions, and the protection solution.
    What does 24VDC coil mean?
    It means that to activate the contactor, you need to apply 24V direct current voltage to the control coil. It is not designed for direct control via 230VAC voltage.
    What does 1NO contact mean?
    1NO stands for one normally open auxiliary contact. When the contactor is energized, this contact closes and can be used for signaling, self-holding, or control interlocking.
    Can this contactor control a 5.5kW motor?
    The specification indicates up to 5.5kW power. However, the final choice must be made after evaluating the motor's rated current, utilization category, frequency of starts, and real-world operating conditions.
    Does the contactor need an additional thermal relay?
    If the contactor is used for motor control, an additional motor protection relay against overload is usually required. The specific solution depends on the electrical schematic and motor parameters.
    Can it be used with a PLC controller?
    Yes, the 24VDC coil may be suitable for PLC and other automation device control systems, but it is necessary to check the PLC output type, permissible load, and required protection against inductive voltage spikes.

    Compact 24VDC contactor for reliable three-phase load control

    This mini contactor is a practical solution for automation cabinets, motor control circuits, pumps, fans, lighting, and other three-phase loads requiring 24VDC control.

    3 main poles, 12A rated current, up to 5.5kW load capacity, 24VDC coil, and 1NO auxiliary contact allow this contactor to be used in both simple and more complex signaling and automation schemes.

    Illustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.

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