... Engine, dynamo, transformer, electromagnetic switch, reactor, Magnetic amplifiers, ballast, relay, Yoke flow circle Product resource list BrandSpecificationUsageGrain-oriented silicon steel(HIB ... Engine, dynamo, transformer, electromagnetic switch, reactor, Magnetic amplifiers, ballast, relay, Yoke flow circleGrain-oriented silicon steel23Q100/23Q110/27Q120/27Q130/ 27Q140/30Q120 ...