The explosion-proof track switches are designed for remote control of electric drives of machines and mechanisms in
electric drives of machines and mechanisms in stationary
installations and on mobile means of land, sea and sea transport, where they are actuated.
where they are actuated by control stops,
as well as for signalling associated with the said
electric drives or other electrotechnical
devices.
Application: switches are designed for operation both in coal and oil shale mines, dangerous by gas and dust, and in underground workings of coal mines and mines, including dangerous by gas and coal dust, as well as in their above-ground structures, in explosive zones of industries, means of transport and storage of products of chemical, oil-refining, gas and other industries.
VPV-4B consists of cover and body: made of alloy COA1 TU 24.42.11-00213569-2019 VPV-4B by number of contacts has 2P+2Z. With drive (lever with a slot).VPV-4B is completed with two input devices for bringing flexible or armoured cable with external diameter from 12 to 20mm.
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