Mod E-Tech Engineering Pvt. Ltd. Manufactures Spring Pressurized Brake with DC Voltage. Mod E-Tech Engineering Pvt. Ltd. Is an ISO 9001:2000 certified company. The company manufactures range of Electromagnetic Brakes. The Spring Pressurized Brake with DC Voltage is available under the brand name "Lift` series Brakes" are most modern and advanced brakes for elevator applications and are highly suited for use with the new gearless drive system used in modern day elevators. There are double brakes operating in tandem. The braking torque generated by one of the brakes is sufficient for standard operation. However double brakes and hence double torque value is used to ensure safety.