Products Center
Middle Cabinet Protection
- Contact Us
- Tel£º+8613362703406
- Email£ºtk@chtkdz.com
- Url£ºhttp://www.chtkdz.com
It adopts fully sealed structure, which has good shock resistance and dustproof performance
Miniaturized design, small size, light weight, beautiful appearance, easy installation
Using a unique reliability design, no adjustable components, good device stability and strong anti-interference
Fully Chinese LCD display, the man-machine interface is clear and easy to understand, and the operation and setting are extremely convenient
The power supply and control circuit of the device are both AC and DC
It has RS485 bus serial communication port, and integrates MODBUS and IEC60870-103 standard communication protocol.
It has the function of event sequence recording, which can record 128 events, and the data will not be lost when power off
It has a complete self-checking function, complete abnormal records, event records, operation records, and all information is retained after power failure
The shape is small and fine, the structure is reasonable, the use of high-grade, high-quality components and multi-layer board technology and SMT technology, so that the product has high electrical performance
Ultra low power consumption
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Feature name |
Have |
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Protective function |
Quick break protection |
¡Ì |
|
Overcurrent stage I protection |
¡Ì |
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Overcurrent stage II protection |
¡Ì |
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Inverse time limit protection |
¡Ì |
|
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overload protection |
¡Ì |
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Zero sequence overcurrent stage I |
¡Ì |
|
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Zero sequence overcurrent stage II |
¡Ì |
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Zero sequence overcurrent stage III |
¡Ì |
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Rear acceleration protection |
¡Ì |
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Reclosing |
¡Ì |
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Overvoltage protection |
¡Ì |
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Loss of pressure protection |
¡Ì |
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Zero sequence overvoltage protection |
¡Ì |
|
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Startup time is too long |
¡Ì |
|
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Negative sequence overcurrent stage I |
¡Ì |
|
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Negative sequence overcurrent stage II |
¡Ì |
|
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Overheating protection |
¡Ì |
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PT disconnection check |
¡Ì |
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CT disconnection check |
¡Ì |
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Measurement and control function |
Ia¡¢Ib¡¢Ic¡¢3I0¡¢UAB¡¢UBC¡¢UCA¡¢U0¡¢P¡¢Q¡¢COS |
¡Ì |
|
10 way remote communication |
¡Ì |
|
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Circuit breaker remote opening, remote closing |
¡Ì |
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hardware resources |
10 switch inputs |
¡Ì |
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Closing relay, opening relay, alarm exit relay, accident exit relay |
¡Ì |
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Analog Inputs: Ia, Ib, Ic, 3I0, UAB, UBC, UBC, U0 |
¡Ì |
|
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1 channel RS485 communication |
¡Ì |
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product name |
product model |
basic function |
remarks |
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Medium-sized microcomputer protection |
CHTK700 |
Ring network cabinet overhead line, cable line, transformer, motor, capacitor PT cabinet and other primary setting to provide perfect protection function. |
Open hole is 154*123mm |
|
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line protection |
CHTK710 |
|
breaking protection Limit speed break protection overcurrent protection excess voltage protection undervoltage protection overvoltage crowbar undervoltage protection Three-phase primary reclosing Speed up after the overlapping gate Zero order voltage protection |
Open hole is 154*123mm |
|
Enter the line for self-investment protection |
CHTK711 |
Open hole is 154*123mm |
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Transformer protection |
CHTK720 |
Open hole is 154*123mm |
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motor protection |
CHTK730 |
Open hole is 154*123mm |
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Capacitor protection |
CHTK740 |
Open hole is 154*123mm |
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Bus voltage monitoring |
CHTK750 |
Open hole is 154*123mm |
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