Starters

A suitable protection that prevents motor operation.


 

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Description

Elmark offers several different series starters.

Starters for direct start are devices designed for remote control, direct control and protection of induction motors or other electrical consumers. They are a combination of contactors LT1 Dxx series and thermal protection LT 2 Exx factory cabled. The starters are offered on the market in metal or plastic boxes with the corresponding IP code from dust and moisture. At mounting there should be provided protection of the device from short circuit through breakers or disconnectors. If necessary, at client’s order the factory mounted thermal protection in the pneumatic starter can be substituted. The choice of a suitable protection prevents motor’s operation at unusual temperature conditions and guarantees maximum constant operation, increases the effectiveness and prolongs the term of exploitation.

“Star/Delta” starters are devices designed for remote control, direct control and protection of induction motors coiled and operating according to a starter scheme “star/delta”. They are a combination of three contactors LT 1 Dxx series, time relay and a set of buttons “start” and “stop” factory cabled. They provide the easy motor unwinding giving possibility for setting the time for unwinding in “star” as the time for switching between “star” and “delta” is fixed to 0.5 seconds. The starters are offered on the market in two types: • closed type – metal boxes providing the corresponding IP code from dust and moisture (IP 54) as at mounting there should be provided protection of the device from short circuit through breakers or disconnectors • open type – for mounting in distribution boxes as at mounting there should be provided protection of the device from short circuit through breakers or disconnectors The starters are offered on the market without mounted thermal protection which is purchased separately according to the motor capacity. The choice of a suitable protection prevents motor’s operation at unusual temperature conditions and guarantees maximum constant operation, increases the effectiveness and prolongs the term of exploitation. If necessary, at client’s order the power supply operating voltage of the pneumatic starter can be changed.

Reverse starter are devices used for direct start, reverse start and protection of induction motors with short connected rotor. They are a combination of two contactors LT1 Dxx series supplied with two buttons “start” and one “stop” factory cabled. They provide the unwinding of the motor in one of the directions with possibility for pushing the button “stop” and giving command from the other “start” for changing the motor winding direction. The two contactors are mechanically blocked and do not allow simultaneous start in both winding directions. The starters are offered – closed type in metal boxes providing the corresponding IP code from dust and moisture (IP54) as at mounting there should be provided protection of the device from short circuit through breakers or disconnectors. The starters are offered with mounted thermal protection which can be substituted according to the motor power. The choice of a suitable protection prevents motor’s operation at unusual temperature conditions and guarantees maximum constant operation, increases the effectiveness and prolongs the term of exploitation. If necessary, at order the power supply operating voltage of the pneumatic starter can be changed.

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