Reco Transformers Pvt. Ltd. Manufactures Control Transformer with Low Reactance. Reco Transformers Pvt. Ltd. Is an ISO 9001:2000 awarded company. The company manufactures Low Tension Current Transformers and Potential and Control Transformers. The Control Transformer with Low Reactance is a transformer which supplies power to control and auxiliary equipments which are not intended for direct connection to the main circuit. Control Transformers are cost effective approach to supply low voltage Recreational Lighting, Light duty industrial and pool and Spa applications or for general purpose load including relay low voltage circuit control circuit of A.C. Motors. The Control Transformer with Low Reactance is designed to ensure good regulation at short time loads.