L&T provides the 3Phase circuit breaker with AC3 rating of (320-400A) amperes. The general part number of the mccb (circuit breaker) is DN3-400N(320-400A) The ordering code for the same shall be CM94003OOR1OG (320-400A)for 3 pole MCCB and CM94103OOR1OGfor 4 pole circuit breaker. This circuit breaker can be used for both 50Hz and 60Hz. The MCCB comes with a thermal magnetic release and belongs to DN2 frame size with 70ka breaking capacity.
The mccb is suitable for a load of 100A in three phase under AC-3 utilization category. These circuit breakers are suitable for (320-400A) AC operation. The L&T (320-400A) DN2 series MCCB are IEC and UL certified and follow international norms.
|Ordering Code||CM94003OOR1OG(3P) /CM94103OOR1OG(4P)|
|Rated Operational Voltage||690 V AC|
|Type of Release||Thermal Magnetic Release|
|Standards Applicable||UL,IEC60947-2, ISI|
L&T DN3-400N(320-400A) is used to protect an electrical circuit from damage if the current is more than (320-400A) Similar MCCBs can be found in other brands like Siemens, GE, BCH, Havells, Schneider, ABB etc.
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KMIC deals in all kinds of electrical goods including, but not limited to, switchgear – contactors, overload relays, circuit breaker, switches, fuses, changeovers etc, carbon brushes, electric motors, wires, and cables from all leading brands. We also export switchgear to 25+ countries including Saudi Arabia, Oman, Dubai, US, etc.
Generally, the required electrical goods are dispatched within 24-48 hours of receiving of the purchase order and are delivered by hand/cargo/courier/transport depending on the location.
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