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Product Details

1 overview

Wisdom electricity online monitoring device is for 0.4 kV below TT, TN system design of intelligent power device, a single and three phase alternating current measurement, four quadrant electricity measurement, harmonic analysis, remote communication, remote communication input output function, and RS485 communication or GPRS wireless communication function, through the distribution of residual current circuit, wire temperature fire danger parameters, such as the implementation of monitoring and management.

The product adopts advanced microcontroller technology, high integration, small size, easy installation, intelligent, digital, network in one, is the ideal choice of building monitoring device prevention monitoring, system insulation aging prediction. At the same time, the original RS485 communication is upgraded to GPRS wireless communication mode, which greatly solves the problem of difficult wiring on site and improves work efficiency. As an advanced intelligent and digital acquisition element, the intelligent device has been widely used in various control systems, SCADA systems and energy management systems.

2 product model

Product name	function
ARCM 300T-Z	Real-time monitoring of one line residual current, four channels temperature, current, voltage, power, electric energy and other electrical parameters, remote signal input, remote signal output, 2-63 voltage, current harmonic analysis, fundamental wave power detection, harmonic power detection, voltage and current imbalance, demand, voltage phase sequence detection, RS485 communication
ARCM 300T-Z-2G	Real-time monitoring of the first residual current, four channels temperature, current, voltage, power, electric energy and other electrical parameters, remote signal input, remote signal output, 2-63 voltage, current harmonic analysis, fundamental wave power detection, harmonic power detection, voltage and current imbalance, demand, voltage phase sequence detection, GPRS wireless communication
ARCM 300T-Z-NB	Real-time monitoring of the first residual current, four channels temperature, current, voltage, power, electric energy and other electrical parameters, remote signal input, remote signal output, 2-63 voltage, current harmonic analysis, fundamental wave power detection, harmonic power detection, voltage and current imbalance, demand, voltage phase sequence detection, NB wireless communication
ARCM 300T-Z-4G	Real-time monitoring of the first residual current, four channels temperature, current, voltage, power, electric energy and other electrical parameters, remote signal input, remote signal output, 2-63 voltage, current harmonic analysis, fundamental wave power detection, harmonic power detection, voltage and current imbalance, demand, voltage phase sequence detection, 4G wireless communication

3 technical parameters

Power supply	Rated voltage	AC220V
	consumption	≤5VA
Monitor alarm	Leakage current	300~1000mA
	temperature	45~140℃
	voltage	Misphase,overvoltage(100%~140%),undervoltage(60%~100%)
	current	Overcurrent (20%~140%)
Action delay time		0.1~60S
Input voltage		AC 100V/400V
Input current		AC 1A/5A
Accuracy of measurement		Frequency 0.05hz, voltage and current level 0.2, active electric energy level 0.5s, reactive electric energy level 2, other 0.5
Rely input		Four way passive dry contact input mode: inside power supply
Rely output		All the way passive normally open contact, contact capacity AC 220V/1A, DC 30V/1A
Communication		RS485Modbus
SOE		20 fault, alarm and switch records
Network mode		GPRS(2G/4G/NB)
installation		35mm Din Rail
Working environment		Operating temperature: -10℃~+55℃; Relative humidity: ≤95% no condensation
Temperature range		-20℃~+70℃
Display		LCD
International standard		GB 14287.2-2014;GB 14287.3-2014

4.Installation and wiring

4.1 appearance and installation size (unit: mm)

4.2 installation mode

35mm guide rail installation, fixed terminal can be added for fixing.

4.3 wiring instructions