KW32-12 type household high voltage intelligent spring air circuit breaker

General introduction
KW32-12 outdoor high-voltage smart spring vacuum circuit breaker is a rated voltage of 12kV, 50Hz frequency three-phase AC circuit breakers, the product is the company developed an intelligent spring mechanism vacuum circuit breakers, mainly for investment Cut a variety of different types of load and frequent operation occasions, and has repeatedly broken short-circuit current capacity for substation and industrial and mining enterprises in the power distribution system for protection and control of the more applicable to the power sector transformation of the power grid.
 

Reference Standard                                                                                                          

The use of environmental conditions
◆Working temperature：-40～+70℃
◆Work environment humidity：0～95%
◆Place of work elevation：≤3000 m
◆Wind pressure：≤ 700 Pa
◆Ice thickness：≤10mm
◆External insulation contamination level：Ⅳ
◆seismic intensity：≤ 8°

Note: This product is not suitable for fire, explosion hazard, chemical corrosion and severe vibration and other places.

Model Description
Product model and meaning：

Features
◆Adopting three-phase strut structure, vacuum arc extinguishing, reliable breaking, contact wear small, maintenance-free；
◆Epoxy resin and silicone rubber composite insulation material, pressure and weather resistance, oil-free, SF6-free, environmentally friendly non-polluting；
◆The operating mechanism adopts the miniaturized spring operating mechanism, the power of the storage motor is small, the energy consumption of the closing and closing is low, and the reliability is high；
◆Can be configured with integrated isolation switch, with a clear visual disconnect, and with anti-error interlock.
 

Dimensions

Ontology technical parameter
Circuit breaker switch technical parameters 

Mechanical characteristics parameters 

Features
Telemetry function: can detect voltage, current and other AC analog and battery voltage, temperature and other DC analog.
Remote signal function: can detect the switch status signal, switch energy storage signal, battery low voltage alarm and other status information, and with dual-position remote signal processing capabilities, support for remote transmission of variable bit priority transmission.
Remote control function: RF remote control can be closed and closed. With local / remote selector switch, you can access the remote control station master remote opening and closing.
Fault detection: configure single-phase ground, three phase phase protection, overload, protection against inrush current protection, and record the size of the protection current.
Communication function: with serial port and network communication interface, built-in 101,104 and other power industry standard communication protocol, the data can be uploaded to the master through optical fiber / Ethernet, GPRS / CDMA and other means.
Self-diagnosis, self-recovery function: Self-diagnostic function, when found that internal hardware and software anomalies, timely recording and reporting, and the software has a power-on self-recovery function.
Power management: support dual AC power backup power supply, the battery as a backup power supply, the use of soft-switching technology to seamlessly cut in the main power failure, the standby power supply can be automatically seamlessly into; with battery activation management capabilities that can be automatically and manually Charge and discharge the battery.

Control box technical parameters

Control box performance parameters

Control box dimensions