CKJ40 1.14kV voltage protector vacuum contactor circuit breaker
CKJ40 Low voltage 1.14KV Series vacuum contactor is mainly used for AC 50-60HZ,the main circuit rated voltage 1.14KV,rated current from 1000A to 2000A power network systerm for remote making and breakting and frequent starting and control of AC motors,transfermers and the capacitor banks and and other occasions.
2.1:Number of poles:3.
2.2.Coil voltage:AC/DC 110V 220V 380V ,ot can be customized.
3.If have one of the following cases,you should check and asjust the product
A.About six months after first time use:
B.Frequent operation 100000 times
C.The vacuum switch tube contact open distance less than 1.5mm,over travel is less than 0.5mm
E.Mechanical operation have abnormal.
|Main circuit rated voltage(KV)||1.14||1.14||1.14||1.14|
|Main circuit rated current(A)||1000||1250||1600||2000|
|Main circuit Making capacity(A/100 times)||10000||10000||12500||15000|
|Main circuit Break-make Ability (A/100 times)||8x10³||8x10³||8x10³||8x10³|
|Ultimate breaking capacity(A/3 times)||10x10³||10x10³||10x10³||10x10³|
|Electricity life AC3(times)||25x10³||25x10³||25x10³||25x10³|
|Electricity life AC4(times)||5x10³||5x10³||5x10³||5x10³|
|Main circuit power frequency withstand voltage(fracture)kv||12||12||12||12|
|Control circuit power frequency withstand voltage (KV)||2||2||2||2|
|Rated operating frequency AC3(Times/h)||300||300||300||300|
|Rated operating frequency AC4(Times/h)||120||120||120||120|
|Clearance between open contacts(mm)||5±0.5||5±0.5||5±0.5||5±0.5|
Switch power supply,AVS,Heat sink,Heater,Distribution box,Junction box and so on.
We are manufacturer and have ten years experience in Electrical industry.
A.Punctual delivery time:
B.After sales service: