Distribution Monitoring Box S251

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US $160.00 / Piece |1 Piece (Min. Order)
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Quick Details
Place of Origin:
Guangdong, China (Mainland)
Brand Name:
King Pigeon
Model Number:
GSM Frequecny:
Quad-band 850/900/1800/1900
GPRS Protocol:
GSM/GPRS Phase2/2+
Monitoring power:
3 phase, single phase,110~430V
Wired Zone:
8 digital input,dry contact, NC/NO/EOL type
Relay Ouput:
2 Relay, Dry Contact,110V/15A, 250V/10A
Alert SMS Number:
6receivers,administrator setting by PC or SMS
Alert Dial-out Number:
6receivers,administrator setting by PC or SMS
Lighting,Waterproof design
Power Supply:
100-240V/AC, 12V DC, Solar Panel .
Product name:
Distribution Monitoring Box S251

GSM 3G Power Distribution Monitoring Systems, GSM power quality monitoring, GSM 3G Power transmission line monitoring system , GSM 3G Transmission Line Security Monitor, GSM 3G energy monitoring system, GSM 3G Transformer Monitoring, GSM 3G Transformer Oil Monitoring, GSM 3G Transformer Oil Health Monitoring, GSM 3G Transformer oil moisture monitoring, GSM 3G transformer oil level monitoring, gsm 3g Transformer Fire alarm, gsm 3g Remote online transformer monitoring. GSM 3G Power distribution safety monitoring system.
 Name:GSM 3G Distribution Monitoring Box Monitoring System


The GSM 3G Power Distribution Monitoring 
 Distribution Monitoring System is not only a smart power meter for measuring the power distributor voltage, current, factor, watts, frequency, active power, reactive power, when over current or exceed the pre-set value, will alarm immediately. 

S250GSM GPRS Power Cable Anti-Theft Alarm System
S251GSM 3G Power Distribution Monitoring System
The GSM 3G Distribution Monitoring 
Power Distribution Monitoring System can be used for monitoring the oil temperature, oil level of the transformers. GSM 3G Wireless Power Line monitoring.

The GSM 3G Power Distribution Monitoring Distribution Monitoring System also can be used as a wireless security alarm system for the transformers, e.g.: theft-proof, fall down, and so on.

Functions & Features of the GSM Power Line Loss Alarm

1.      ARM® Cortex™-M4 32 Bit RISC Core, 72MHz inside, RTOS system;

2.      Quad-Band GSM Frequency,3G, supports SMS and Voice and GPRS/3G communication;

3.      Programmable by SMS Commands or PC Configurator via USB;

4.      A/B/C phase power up it directly, Inbuilt large capacity rechargeable backup battery;

5.      Suitable for three-phase four-wire system, input voltage: 100~400V, input current:0~5A; 

6.      Monitoring A/B/C 3 Phase input over current, over voltage , factor, watts, active power, reactive power exceeds alarm;

7.      Power input PT,CT rate are programmable;

8.      Accuracy of current, voltage is 0.2 class, power and watts is 0.5 class, sampling is 0.1seond.

9.      Large internal memory can save 1000 event historical data;

10.   6 analog inputs, 16bits, supports 0-5V, 0-20mA, 4-20mA;

11.   2 digital outputs, 5A/30VDC,5A/250VAC, can be program to events or turn on/off by SMS;

12.   8 digital inputs, NC/NO/EOL type, when digital input recover can alert by SMS;

13.   I/O ports with opto-isolated and lightning protection;

14.   Provide one 5VDC@1A power for additional device; 

15.   Equips LCD to display the real time data and for programming;

16.   2 IP data centers, supports GDW 376.1-2009 protocol over GPRS/3G network;

17.   1 RS485 can be used as data transparent transmission for additional intelligent meters or PLC, with 15KV ESD protection;

18.   Automatically resend the data while communication failure, GPRS failure will alert by SMS text;

19.   8 SMS Alert and auto dial numbers, can program to receive specified alarm message.

20.   Automatically report its status to users by the specified time.

Standard Package list of the GSM Power Line Loss Alarm:

Mainframe X1
GSM Antenna X1
User Manual X1
Resistors X8
USB Cable x1


  Distribution Monitoring 

Packaging & Shipping



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1.  How to make sure the quality?

  •  Process Quality Control
  •  Final Quality Control
  •  Outgoing Quality Control

2.  How to get the order?

  • First,Tell us the model and quantity of the products you want.
  • Second ,we will make a PI for you.
  • Third, After confirm everything,the payment will be arranged (Paypal, Western Union,T/T or Ali Trade Assurance for your money safety are welcomed)
  • Fourth, we will send you the goods within the promissory time.

3.  How about the Shipping?

  • The DHL,UPS,Fedex,TNT usually calculate the shipment based on measure size or weight. They compare the measurement size in Cube meters and Gross weight, and choose the large value to calculate the shipment cost.  (Calculation Formula is : L*W*H/5000=Measurement Size weight, unit is cm)


  •  Reference Shipment Cost

        For example, ship to Denmark from China.



Shipment Cost

Average Cost for per Kg


























  •  Our recommends:

          For samples, ship by Express, usually 3-5days.

          While place small order, try to make the finial weight more than 21Kg.

          If the order weight less than 100Kg, recommend to ship them by Express.

          If the weight is 101kg~200kg recommend to ship them by Air-cargo or express;

          If the weight is above 200kgs, recommend to ship them by air cargo or by sea.

  • For small order by express, 20-30 pcs per order is the best. 

4.  What's the delivery time?

  • Sample within 1-3days;
  •  Wholesales 4-7days according different quantities;
  •  OEM 7-14 days after all info confirmed.
  • ODM depends on the detail requirements.

5.  What is the warranty of your company?

  • 2~3 years warranty for the main unit; one year warranty for the accessories.
  • Please send back the defective goods within the warranty period, we will repair them or send you new free.
  • Please send to us some pictures and video about it need to confirm your problem then we will send you free new goods or parts instead.

6.   Can you do the design for us?

Yes, Just tell us your idea (logo,text., etc) and our professional R&D team will help to carry out your ideas into reality.



Company Information


King Pigeon is a professional GSM/GPRS/3G wireless Alarm System, GSM elderly alarm,SMS Controller, Industrial Remote Controller, RTU Data Logger, Telemetry, Temperature Measurement Logger, Power Monitoring, M2M products Designer & Manufacturer in China since 2005.

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