Special Small Protection For Inflatable Cabinet Ring Network Cabinet
Device Features
- 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
The main function
Feature name | ||
Protective function | Quick break protection |
√ |
Overcurrent stage I protection |
√ |
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Overcurrent stage II protection |
√ |
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Inverse time limit protection |
√ |
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overload protection |
√ |
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Zero sequence overcurrent stage I |
√ |
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Zero sequence overcurrent stage II |
√ |
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Zero sequence overcurrent stage III |
√ |
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Rear acceleration protection |
√ |
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Reclosing |
√ |
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Overvoltage protection |
√ |
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Loss of pressure protection |
√ |
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Zero sequence overvoltage protection |
√ |
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Startup time is too long |
√ |
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Negative sequence overcurrent stage I |
√ |
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Negative sequence overcurrent stage II |
√ |
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Overheating protection |
√ |
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PT disconnection check |
√ |
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CT disconnection check |
√ |
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Measurement and control function | Ia、Ib、Ic、3I0、UAB、UBC、UCA、U0、P、Q、COS |
√ |
10 way remote communication |
√ |
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Circuit breaker remote opening, remote closing |
√ |
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hardware resources | 10 switch inputs |
√ |
Closing relay, opening relay, alarm exit relay, accident exit relay |
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Analog Inputs: Ia, Ib, Ic, 3I0, UAB, UBC, UBC, U0 |
√ |
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1 channel RS485 communication |
√ |
Terminal diagram of microcomputer comprehensive protection device
Appendix: Protection Installation Hole Diagram
Application
product name |
product model |
basic function |
remarks |
|
Small protection |
Horizontal-type NLK600H s |
Special conventional protection for inflatable cabinet ring network cabinet |
Open hole is 147mm * 69mm |
|
Horizontal-type NLK600BH s |
Special small protection incoming line for inflatable cabinet ring network cabinet is self-supplied |
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Horizontal-type NLK600S s |
Special conventional protection for inflatable cabinet ring network cabinet |
Open hole is 147mm * 69mm |
||
Vertical-type NLK600BS s |
Special small protection incoming line for inflatable cabinet ring network cabinet is self-supplied |
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