Gold Member Since 2011
Audited Supplier
Tianjin Grewin Technology Co., Ltd.

Gwm 300A-1 Meter, 300A-1 Power Meter, 300A-1 Series Ulteathin Meter manufacturer / supplier in China, offering Gwm 300A-1 Series Ultrathin Multifunction Network Power Meter Accuracy +/-0.2%, Electronics Power Supply China with IEC, High Frequency Coils Chokes for PCB and so on.

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Supplier Homepage Product Intelligent Power Monitoring power/energy meter Multifunction Network Power Meter Gwm 300A-1 Series Ultrathin Multifunction Network Power Meter Accuracy +/-0.2%

Gwm 300A-1 Series Ultrathin Multifunction Network Power Meter Accuracy +/-0.2%

Purchase Qty.:
100-499 500-999 1,000+
FOB Unit Price: US $52.6 US $37 US $26.5
Purchase Qty. (Pieces) FOB Unit Price
100-499 US $52.6
500-999 US $37
1,000+ US $26.5
Get Latest Price
Production Capacity: 4000 PCS Per Month
Transport Package: Export Standard Carton or Customize Strong Pallet
Payment Terms: L/C, T/T, D/P, Paypal, Money Gram, Western Union, cash

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Basic Info
  • Model NO.: GWM 300A-1
  • Stucture: Electromagnetic
  • Measurement: All Three Phase Power Parameter Measurement
  • Communicating Network: RS485
  • Rated Value: AC400V or AC100V Optional
  • Frequency: 40~60Hz Precision ±0.02Hz
  • Working Voltage: AC:85V~265V or DC:100V~360V
  • Trademark: GWM 300A-1 power meter
  • Origin: China
  • Display: Digital
  • Voltage: Low Voltage
  • Io Function: Digital Input;Relay Output
  • Miscellaneous Function: out-of-Limit Style
  • Current: AC5a or AC1a
  • Display1: LCD Display
  • Power Consumption: ≤2va
  • Specification: 300A-1 power meter
  • HS Code: 90289010
Product Description
Name: GWM 300A-1 Series Ultrathin Power Meter
We have abtained VDE,UL,CE,ROHS,ISO9000 Approal and SGS Audit Supplier in China,We guarantee quality is the first.

Product description:
 96*96*60mm Ultrathin more suitable for panel mounted 
 LCD screen 
 All power parameters testing 
 Data record and analysis 
 Over-limit alarm 
 Accuracy +/-0.2% 
 Support logo customization 
Measurement All Three Phase Power parameter Measurement  (U/I/P/Q/S/F/PF) 

IO Function Digital Input(DI) 
Relay Output(DO) 

Communicating network RS485 

Energy Consumption Statistics Analysis Energy testing(active/reactive) 

Positive/negative active &reactive energy 

Four Quadrant Energy 

Multi-Rates Statistics 

Data Record Max.& Min. Value Statistics 

SOE Record 

Built-In Clock 

Data Analysis Three-Phase Unbalance Degree 

Demand Analysis 

Miscellaneous Function Out-of-limit style 

Power Quality THD(Voltage/current) 


Sub-Frequency Harmonics Ratio 

Web 3P3L,3P4L Configuration 
Voltage Rated value AC400V or AC100V Optional 
Overload Measurement:1.2 times, Instantaneous 2 times/10s 
Consumption <1VA  per phase 
Impedance >400kΩ 
Precision RMS measurement  Precision ±0.2% 
Current Rated value AC5A or AC1A 
Overload Continued 1.2 times   Instantaneous 10 times/10s 
Consumption <0.4VA per phase 
Impedance <20mΩ 
Precision RMS measurement  Precision ±0.2% 
Frequency 40~60Hz  Precision ±0.02Hz 
Power Active power, reactive power, apparent power Precision ±0.5% 
Energy l Total active energy absolute 
l Total reactive energy absolute 
l Input active energy absolute 
l Input reactive energy absolute 
l Output active energy absolute 
l Output reactive energy absolute 
l 4 quadrants reactive energy 
l Precision active-energy ±0.5%,reactive-energy ±1% 
Display l LCD display 
l Modbus communication to change the display interface 
Digital input Input 2-ch input, Opto-coupler isolation 
Isolation Voltage 2500Vrms 
Comm. Interface RS485 
Protocol ModBUS-RTU 
Baud rate 2400/4800/9600/19200bps 
Odd parity check, even parity check, none parity check 
Working power Working voltage AC:85V~265V or DC:100V~360V 
Power consumption ≤2VA 
Work environment Work temperature -20ºC~55ºC 
Storage temperature -40ºC~85ºC 
Humidity 0~95% non-condensate 
Safe Insulating strength Between input/output/hull/power supply: 
2kV Acrms,1 min. 
Dimension weight Size 96mm×96mm×60 mm 
Weight 0.4kg 
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