Air Circuit Breaker

We Are offer a complete range of Air Circuit Breakers (ACB) upto6300 A.of ACB is designed and manufactured to protect electrical systems and machines from overcurrent and short-circuit.

• Ratings : 400A to 6300A
• Breaking Capacities : 50kA to 100kA

Air Circuit Breaker

• Make:ABB Ltd.
• Rated Voltage  [V]: 690 
• Rated Operational Current Ie [A]:800-4000
• Rated Insulation Voltage Ui [V]:1000
• Rated Impulse Withstand Voltage Uimp [kV]:12
• Rated Frequency fr [Hz]:50-60
• Frame : E1,E2,E3,E4
• Rated breaking capacity (rated short-circuit breaking current symmetrical) Isc [kA]: 50,65,75
• Rated Short-Time Withstand Current(3s) Icw [kA]: 36

•Conforms to IS/IEC 60947-2 & IEC 60947-2, Available in 3 Pole/4 Pole, Manually & Electrically operated, Fixed & Draw-out versions, High short time withstand capacity, Icu = Ics = Icw for 1 sec for total selectivity, 100% rated neutral pole, •Protection through Thermal - Magnetic (DN1) & Microprocessor releases (SR18, SR18G, SR18G+D & SR18Gi+D), •C-POWER S1 Draw-Out ACBs will have inbuilt - 2NO+2NC Aux contact for MDO & 6NO+6NC Aux contact for EDO breakers, Safety shutter assembly, Racking handle, Door sealing frame, Push-button cover & Rating error preventor.
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3AH5 vacuum circuit-breakers control all switching duties in medium-voltage systems. They are applicable for operation of e.g. overhead lines, cables, transformers,generators, capacitors, filter circuits, motors and reactors. Here, small short-circuit ratings in distribution systems face high breaking currents in industrial systems.The 3AH5 vacuum circuit-breaker is a real all-round device in its field of application. With its compact dimensions, it fits in all customary switchgear types. The comprehensive variety of types with different normal currents and short-circuit currents.as well as various pole-centre distances for voltage levels from 12 kV to 36 kV enables its universal application for all mediumvoltage requirements

SIEMENS 3WT ACB front cover with blank rating plate and pushbuttons as well as transparent ETU cover

• Coordinated communication concept using the PROFIBUS DP or MODBUS.
• The high level of modularity of circuit breakers and accessories allows easy retrofitting of all communication components, Significant additional benefits for the switchgear due to the possibility of linking up external input and output modules to the circuit breaker-internal CubicleBUS.
• Innovative software products for parameterization, operation, monitoring, and diagnostics of circuit breakers, both locally or via PROFIBUS DP, MODBUS or Ethernet/Intranet/Internet.

• Delivery Time: 2 week