FIELD: mechanical engineering; materials handling facilities.
SUBSTANCE: proposed device contains magnetic circuit 1 with inner pole 2 and outer pole 3, control coil 4 made of insulated wire, protective plate 5 and filling compound 6. Control coil consists of first coil 4.1 and second coil 4.2. First coil is arranged near outer pole of magnetic circuit being made to provide higher current density than that in second coil. Second coil is arranged along inner pole of magnetic circuit.
EFFECT: provision of effective use of coil turns located near outer pole of magnetic circuit, improved cooling of coils.
5 cl, 6 dwg
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