Battery power measurement unit

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The BMU-126 reads the actual current and voltage data of a storage battery. Charge/discharge current and voltage may be controlled remotely using third-party devices. Readings are transmitted to the BCP-136 battery control panel via an RS-422 interface.
  • Overall and mounting dimensions
  • Functional scheme
  • Wiring diagram
Technical specifications
Dimensions 240x240x75 mm
IP rating IP 22
Storage temperature -55…+75 °С
Operating temperature -25…+55 °С
Weight 1.5 kg
Power supply voltage 9.5…36 V DC
Power consumption max 5 W
Reverse polarity protection +
Overvoltage protection + (fuse)
The accuracy of measured values
current 0.2 А
voltage 0.1 V
Maximum measured current 50 А
Maximum measured voltage 36 V
Number of input ports 1
Supported interfaces RS-232, RS-422/485
Max baud rate 9600 bit/s
Galvanic isolation from power mains + (when powered from external source)