● Support 12 months frozen electric energy and 7 days frozen electric energy query, let the remote energy management moreconvenient;
● Electric parameters such as active power, reactive power, apparent power and power factor are supported for collection and uploading;
● Support positive and negative energy statistics.
● OLED lattice LIQUID crystal display has long life and good low temperature characteristics;
● Can be set as a communication gateway, through the ontology 485 interface for the branch small current switch combination networking;
● It integrates multiple protection functions such as over voltage, under voltage, missing phase, wrong phase, loss of voltage, overload, short circuit, leakage, temperature, voltage/current imbalance, over power, under power, anti-power theft and so on    into one, and supports early warning in accordance with the preset proportion;
● Multiple functions can be closed, alarm, trip any combination, more widely applicable; Support 12 months frozen electric energy and 7 days frozen electric energy query, let the remote energy management more convenient;
● Electric parameters such as active power, reactive power, apparent power and power factor are supported for collection and uploading;
● Support positive and negative energy statistics.
● RS485 in non-gateway mode supports DL/T-645/Modbus protocol and automatic conversion;
● Support external dry contact control, cabinet door control;
● Support multiple groups of any time timer control closing, opening operation, so that the control more arbitrary;
● Multi-component modular design, optional collocation, more flexible use Remote wireless communication technology, supporting 2G, 4G, Ethernet, wifi, Bluetooth，MQTT and other communication modes;
● Operation event alarm event failure event real-time reporting, so that you can know your equipment running state anytime and anywhere; The alarm can be accompanied by a buzzer prompt, and can be muted remotely or locally, making the device alarm more intelligent;
● Support a variety of remote OTA upgrade mode, so that equipment upgrade maintenance no longer trouble;
● Hundreds of local event records (power on, power off) are stored, which can be checked at any time for accident cause analysis;
● The clock is timed and synchronized on the cloud to ensure the accuracy of event recording time. The daily error is no more than 1S in the case of no network; Real-time statistics of the number of events can focus on frequent abnormal, support switching display in Chinese and English;

● This product RS485 is a standard configuration communication port. It can be connected to computers and various communication devices through RS485 to USB converter to realize information exchange and control;
● The default baud rate of the system is 9600bps. You can check and set the required Baud rate in the setting communication menu.
● Network GPRS product, before use, you must insert SIM card, can through GPRS or gateway, router connection to the server to achieve Internet information exchange or remote control;
● Real-time query and analysis of all kinds of electricity consumption data and view the history, statistics and settlement of electricity consumption on a monthly basis;
● The product installation must be carried out by professional electricians;
● Products can be customized according to user needs, contact the relevant technical personnel.