NPS Drive Automation Pvt. Ltd. Manufactures Double Spring-Operated Brakes. NPS Drive Automation Pvt. Ltd. Manufactures Frequency Inverters, Servo Systems, Geared Motors, AC Motors, Clutches, Brakes and Automation Solutions Including Control, Software and Visualisation. The Double Spring-Operated Brakes is used for Lifts and Hoists. The Double Spring-Operated Brakes has simple maintenance and monitoring of dual-circuit function. The Double Spring-Operated Brakes has adjustable braking torque. The Double Spring-Operated Brakes has low motor moment of inertia.