Specifications

High-precision measure active power ,reactive power ,apparent power in three-phase network
LED or LCD display

Description:

 

                            Intelligent digital instrument be used in electricity grids , automation control system to measure voltage ,current ,active power,reactive power , apparent power, power factor and frequency.They are displayed by LED or LCD. Visual display , High accuracy, Reliable performance, Strong isolation, Anti-Vibration.

 

 

 

Performance Characteristics

 

High-precision measure active power ,reactive power ,apparent power in three-phase network

 

LED or LCD display , Local data query

 

Current Conversion Ratio is programmable.

 

Support RS-485 communication Modbus-RTU treaty.

 

Support DI DO AO

 

Auxiliary Power Supply :AC/DC 80V-270V, AC220V,AC380V,AC100V,DC48V,DC24V

 

Various shape can be choosed.

 

 

 

Accuracy of measurement
Active power	0.5 degree
Reactive power	0.5 degree
Apparent power	0.5 degree
Signal Input
Mode of connection	single-phase ,three-phase four-wire ,three-phase three-wire
Rated voltage	AC57.7V ,AC 100V,AC220V,AC380V
Rated current	AC1A ,AC5A
Overload	Voltage:1.2 times 2 times /1 second(instantaneous)
	Current:1.2 times 10 times /5 second(instantaneous)
Power dissipation	Voltage:less than 1VA/phase ;Current :less than 0.4VA/phase
Impedance	Voltage:more than 300kΩ:Current:Less than 20mΩ
Frequency	45-65Hz
APS
Operating Range	AC/DC 80V-270V ,AC220V,AC380V,AC100V,DC48V,DC24V
Power dissipation	Less than 4VA
Function Module
Communication interface	No. 1 RS-485 communications,Modbus-RTU treaty
	Baud rate:1200-9600bps ,the default value is 2400bps
DI	support 4 dry contacts
DO	support 3 relay output,capacity AC250V/5A DC30V5A
Transmitting Output	support 3 AO :0/4-20mA or 0-5/10V
Environment
Working environment	-10°C- +55°C
Storage Temperature	-25°C- +70°C
Relative Humidity	≤93%, No corrosive gas places
Altitude	≤2500m
Security
Insulation Resistance	>100mΩ
ACW	AC 2KV
EMC
ESD	grade 4
EFT	grade 4
Surge impact	grade 4
Dimension
Frame dimension	120*120; 80*80; 96*48; 96*96; 80*80; 48*48; 120*60; 160*80
Hole dimension	111*111; 76*76; 92*45; 92*92; 68*68; 45*45; 114*56; 152*76

 

 

 

Model	Measurement			Extended Function				LED	LCD	Hole dimension
	Single-phase active power	Three-phase active power	Three-phase reactive power	DI	DO	TO	Communication interface
RH-P11	√			2	2	1	1	√		152*76
RH-3P11		√		2	2	1	1	√
RH-3Q21			√	2	2	1	1	√
RH-P21	√			2	2	1	1	√		111*111
RH-3P21		√		2	2	1	1	√
RH-3Q21			√	2	2	1	1	√
RH-P31	√			2	2	1	1	√		92*92
RH-3P31		√		2	2	1	1	√
RH-3Q31			√	2	2	1	1	√
RH-P41	√			2	2	1	1	√		114*56
RH-3P41		√		2	2	1	1	√
RH-3Q41			√	2	2	1	1	√
RH-P51	√			2	2	1	1	√		92*45
RH-3P51		√		2	2	1	1	√
RH-3Q51			√	2	2	1	1	√
RH-P61	√			2	2	1	1	√		68*68
RH-3P61		√		2	2	1	1	√
RH-3Q61			√	2	2	1	1	√
RH-P71	√			2	2	1	1	√		76*76
RH-3P71		√		2	2	1	1	√
RH-3Q71			√	2	2	1	1	√
RH-P81	√			2	2	1	1	√		45*45

 

 

19.TRI-PHASE TRI-WIRE ACTIVE POWER MRTER
	Model	Display Mode	Face Frame Size	Hole Size
			mm	mm
	RH-3P11	Single Row LED	160*80	152*76
	RH-3P21	Single Row LED	120*120	111*111
	RH-3P31	Single Row LED	96*96	92*92
	RH-3P41	Single Row LED	120*60	114*56
	RH-3P51	Single Row LED	96*48	92*45
	RH-3P61	Single Row LED	72*72	68*68
	RH-3P71	Single Row LED	80*80	76*76
	RH-3P81	Single Row LED	48*48	45*45

 

 

 

Terminal diagram

 

 

 

The wiring diagram