Mod E-Tech Engineering Pvt. Ltd. Manufactures AC Fail Safe Brakes. Mod E-Tech Engineering Pvt. Ltd. Is an ISO 9001:2000 accredited company. The company manufactures range of Electromagnetic Brakes. The AC Fail Safe Brakes are extremely compact and fast and they have the same mounting dimensions as that of DC type `K` brakes and this make them conveniently interchangeable. The Fail Safe Brakes has very fast switching times, high operating frequencies and reliability. The AC Fail Safe Brakes has no restriction on `On time duration` and also on number of operations per minute.