Air Circuit  Breakers

Full Range

C&S ACB, conforming to IEC 60947 Part 2 and IS 13947 Part 2, are available from 630A to 6300A, 3 pole as well as 4 pole, in all possible versions - Fixed or Drawout, Hand operated or Motorized. The 4 pole incorporate true 4th pole - rating & contacts same as the main poles but with advance closing and delayed opening mechanism to avoid any Switching Surges and Remnant Transients.


All commonly required Accessories are also offered along with them as per the customer choice - Auxiliary Switch, Shunt Release, Under Voltage release, Position  and Indication Micro-Switch, etc. Also offered are certain Special Accessories like Capacitor Trip, Mechanical Inter-lock kit, different types of Busbar termination kit, etc.

User Friendly, easy to operate and maintain

C&S ACB have features to make it very simple to operate. All type of ACB - even the Manually operated type come with Ratchet charging mechanism to enable effortless, gradual charging of mechanism spring so that, even highest rating ACBs can be charged very easily by any operator. All controls are visible and available in front - Auxiliary Switch, Sliding Contacts, etc. All the accessories like Shunt, closing coil, Under Voltage, etc are fitted in front and do not require calibrations

Safety Built-In

The Drawout ACB can be racked in or out only when the TRIP push button is pressed thus ensuring ACB will not be racked in CLOSED condition. Safety Shutters are supplied as standard. Sliding window in front of both push button - CLOSE and TRIP, facilitates pad locking and avoiding un-authorized operation while maintenance.

National & International Certification

These ACBs have been tested at various laboratories for their conformity to various standards - ASTA, CPRI, ERDA, etc and meets the Safety requirements as per European standards to carry CE marking. They have also undergone rigorous testing to establish their suitability for Marine applications.


These ACB are fit for use in diverse application and are in use in various industries for last more than 15 years - Power Plants, Gas & Petro Chemicals, Steel, Chemicals, Automobile Industry, Telecommunication & Infrastructure, Buildings and Commercial Complexes, etc. They are also being used in some of the very special applications - DC applications, 690 Volts system, Marine & Naval applications, etc.