• Are SHS3 safety switches with AS interface available?

    Yes, it is.

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  • Can I use my regular contactor that breaks in vacuum for DC applications?

    Vacuum contactors use encapsulated contacts with vacuum instead of air as the medium to eliminate arcing. Vacuum contactors are only...

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  • Can INKOM offer customized assembly?

    Yes, we at INKOM have our own assembly department that does customized final assembly, etc.

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  • Can INKOM offer system solutions?

    Yes, all system solutions are in accordance with TSFS 2020:88.

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  • Can side channel fans be speed controlled?

    All side channel fans with 3-phase motors can be speed controlled with frequency converters.

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  • Does Elektror 1SD and 2SD meet the EU Commission’s efficiency requirements?

    Electric side channel fans are standard equipped with IE2 motors in accordance with IEC 60034-30.

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  • How does Positive Opening work in a micro switch?

    Watch this video explaining it  

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  • How much current can a contactor handle?

    This question must be broken down into several parameters. The amount of current that can flow through the contactor continuously...

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  • How to control a contactor?

    In each contactor there is a coil that operates switching and breaking, the voltage to control the coil can vary...

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  • What are bi- and monostable contactors?

    The contactor can either be controlled to one mode or both modes, for switching on or off. For example, a...

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  • What can make a contactor weld together?

    High short-circuit currents and an unregulated closing with load is the most common reason for the contactor to weld. This...

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  • What do NO and NC mean?

    NO = Normally Open, NC = Normally Closed. This describes the state of a contactor when the voltage in the...

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  • What does ‘fail to safe’ mean?

    When an electromechanical component such as a contactor is exposed to a situation that causes it to fail, it does...

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  • What happens if you have to break with a short circuit load?

    It will form an arc with a lot of energy. The best way to extinguish it is with permanent magnets...

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  • What happens if you overload a contactor in the short term, short circuit load?

    For each contactor, there is a short-circuit current and a time that it must withstand. If this is higher and...

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  • What is a contactor?

    A contactor is defined according to IEV ref 441-14-33 as a mechanical switching device with only one rest position, operated...

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  • What is an Economizer?

    An economizer is an electronic circuit that regulates (PWM) the turn-on power and hold power of the coil. An economizer...

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  • What is critical current and how do I avoid the problem with permanent magnet technology?

    Traditionally, contactors have worked with coils to force the arc to the arc chamber for extinguishing. During arc formation, the...

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  • What is galvanic isolation?

    When breaking both + & and – in case of anomalies in the system.

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  • What is meant by pre-charge?

    Pre-charge, in the context of a DC (direct current) system, refers to a process of gradually charging the capacitance or...

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  • Which standards are the basis for the approval of EN 60947-5-5 and EN 13850?

    SR and SRM linen stoppers are approved according to IEC 947-5-5, DIN EN 60947-5-5 and ISO 13850.

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  • Why are contactors used?

    Historically, contactors have been used to directly switch on and off electrical loads, such as electric motors, and even today...

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  • Why contactors from Schaltbau?

    A contactor is a vital safety component in any electrical system, Schaltbau stands for new patented technology. By far the...

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