| Functional items | Comprehensive | |
| To configure | Switch input | 10 passive |
| Relay output | 5-way dry contact | |
| AC current input | 4-way | |
| AC voltage input | 4-way | |
| Protect | Current quick break protection | ■ |
| Time limited quick break protection | ■ | |
| Over current protection | ■ | |
| General inverse time overcurrent protection | ■ | |
| Overload protection | ■ | |
| Zero sequence current protection | ■ | |
| Negative sequence current protection | ■ | |
| Low voltage | ■ | |
| Overvoltage protection | ■ | |
| Loss of voltage protection | ■ | |
| Zero sequence voltage protection | ■ | |
| Negative sequence voltage protection | ■ | |
| Reclosing protection | ■ | |
| Rear acceleration protection | ■ | |
| Standby automatic switching protection | ■ | |
| Motor starting overcurrent protection | ■ | |
| Overheating protection | ■ | |
| Protection against excessive startup time | ■ | |
| Non electric quantity protection(6 circuits) | ■ | |
| Monitor | Switching value monitoring | ■ |
| Abnormal alarm:CT disconnection | ■ | |
| Abnormal alarm:PT disconnection | ■ | |
| Event record | ■ | |
| Signal communication | Communication(RS485,modbus protocol) | ■ |
Normal temperature： -10℃～55℃
Limited temperature： -30℃～70℃
Storage temperature： -40℃～85℃
Relative humidity： ≦95% No Condensation
Atmospheric pressure： 80Kpa～110Kpa
Power Supply： AC/DC 85~265V ;DC48V
AC Rated data ： Current 5A、1A
Voltage 100V
Frequency 50HZ
AC current loop Ie=5A no more than 0.5VA per phase
AC volgate loop U=100V no more than 0.5VA per phase
DC power supply loop normal operation is not greater than5W
Protection action is not greater than5W
AC current loop 2Ie Continuously working
10Ie Allow work 10S
40Ie Allow work 1S
AC volgate loop 1.2Ue Continuously working
power supply loop 80%~110% Rated Voltage Continuously working
AC input to ground is greater than 500 megohms
DC input to ground is greater than 500 megohms
Signal and output to ground greater than 500 megohms
Digital input to ground greater than 500 megohms
Between each loop is greater than 500 megohms
Can withstand 2KV, lasting 1 minute of power frequency withstand voltage and 5KV surge voltage
☆High performance 32-bit processor is used to provide powerful computing and processing capacity,circuit design is refined,and industrial grade components are equipped to ensure stable and reliable operation of the device.
☆Unique three-level programming mode of element level-engineering level-user level,and element type can be set on site.Switch input and relay output are programmable.
☆High speed,high-precision AC signal measurement,sampling frequency up to 1600Hz.The FFT calcuation of multiple AC signals is completed in milliseconds.The sampling value is digitally corrected,and the noise and offset can be ffectively suppressed.
☆Powerful vectorization calculation method can obtain a variety of derived AC signal characteristics,including positive,negative,zero sequence,phase line transformation,angle,impedance,power,etc.
☆63 events can be recorded continuously,with full event record of protection action of fault time,type and peak value.
☆Graphic LCD(128×64),graphics,icons and full Chinese display.
☆The main signal circuit is equipped with electromagnetic interference absorbing elements,which can meet the working environment under harsh electromagnetic environment
☆Enhanced MODBUS communication interface can transmit real-time waveform,vector data,etc.in addition to normal data.
☆Perfect self inspection function,including setting parameters,recording,operation circuit,current,voltage circuit and other abnormal monitorng.
☆Fully enclosed thin metal case,waterproof and dust-proof,with strong anti-static and electromagnetic interference capabilities; it can be installed locally on the switch cabinet in a distributed way,or it can be assembled into panels in a centralized way.
☆Surface mounting process,important components(such as power module,transformer,relay,LCD,terminal,etc.)The mature products of
well-known enterprises at home and abroad are used to ensure that the mean time between failures of the device is more than 100000 hours.
