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LIMIT SWITCHES BLOCK (LSB-1M), (produced by the PJSC “Scientific-Production Enterprise “Teploautomat”) is designed for remote electric and local (manual) signaling at the end positions of butterfly valves of ball valves (DN 50-1400 mm). Block is designed to work with devices for controlling the position of butterfly valve (especially with Crane Control Units CCU-3).
Gas mains, compressor and gas distributing stations, gas collecting mains, processing trains of gas processing plants, equipment for processing lines of chemical, oil refining and other industries.
Output shaft turn with arrow-pointer: (90±5)°.
– type of contacts – switching;
– type of current: DC and AC, frequency of 50 Hz from 1•10-6 À to 6 À;
– DC voltage – from 1•10-4 V to 36 V, AC voltage from 1•10-4 V to 250 V;
– switching capacity not more than: DC – 70 watt, AC - 300 V•À;
– load type – active and iductive.
Average resource: 1•104 operations at alternating switching of each switch.
Weight: not more than 1.5 kg.