Sfere Electric

EC2/4/6 LoRa/GPRS/NB-IoT module

Wireless Interface

SIM card support

Module design

Energy Management System

WDH-31-530 Intelligent Motor Control and Protection Management System

Voltage: 400/690V

Communication: Modbus-RTU, Profitbus-DP, Modbus-TCP

Function: RCM protection, Temperature protection

Device Control & Protection

WDH-31-580 Motor Protection Controller

protection:21 type

Communication:Modbus-RTU, Profibus-DP

Function:31th harmonic testing

Device Control & Protection

WDH-31-500 Motor Protection Controller

Protection:16 type

Function:switching Input

Communication:Modbus-RTU, Profibus-DP

Device Control & Protection

Motor Protection Controller

Protection:12 type

Function:analog output

Communication：Modbus-RTU, Profibus-DP

Device Control & Protection

JD194-BS4U voltage transmitter

Installation：din rail mounted

Type：single phase voltage transmitter

Communication：Modbus interface

accuracy 0.2%

wide range of operating temperature

small size

45~65Hz

0~20mA

4~20mA

input 1-5A

response time≤400ms

Auxiliary power supp

Transmitter

JD194-BS4I current transmitter

Installation：din rail mounted

Type：single phase current transmitter

Accuracy： 0.2%

Modbus interface

wide range of operating temperature

small size

45~65Hz

0~20mA

4~20mA

input 1-5A

response time≤400ms

Auxiliary power supply AC/DC 80-2

Transmitter

JD194-BS4U3T voltage transmitter

Installation：din rail mounted/Ttype：three phase voltage transmitter

Communication：Modbus interface

accuracy 0.5%

wide range of operating temperature

small size

45~65Hz

0~20mA

4~20mA

input 1-5A

response time≤400ms

Auxiliary power supply

Transmitter