Communication protocol:
Rs485, CAN, LAN, Dry contact
* 2U standard 19inch case * Efficient, stable and reliable * size:W440*H88*D500mm




12S-24S BMU(Slave)
12S-24S BMU has 8pcs of tempreture sensors, Fan voltage 48V(17S-24S 12V), voltage detection range 0-5V,12V power
supply,consumption less 20mA, CAN2.0 B communication
Wire harness-Signal acquisition wire
18 Pin+20Pin wire, standard length is 600mm,900mm,1200mmtempreture sensor wire: standard length is 600mm,900mm,1200mm
Fan wire: 600mm
Wire harness-communication wire
Communication wire is connecting from master BMS to each BMU with cascade connection, the last port is for terminal resistance
Product Name | BMS |
Model no. | RBMS07S2-3-50A288V |
protecting method | MCCB+Contactor |
Rated Current range | -50A~50A |
Voltage Range | 0V-288V |
Current Sampling Accuracy | 1.0%FSR |
Communication interface with PCS | RS485/CAN |
Communication interface with BMU | CAN |
Communication interface with SBMS | RS485/CAN |
Communication with monitoring software/EMS | Ethernet |
Support IAP upgrade | Yes |
Support HMI display and parameter | Yes(Optional) |
Insulation detection | No |
High voltage power module | Support DC start (optional) |
Dry contact output (normally open) | Up to 3 |
Maximum qty of BMUs | 5 |
Power | 24VDC(18~28V) |
Power consumption | ≤20W |
Size(W*H*D)mm | 2U (440*88*500) |
Way out | Front |
Mid-line | Not support |
Tap center | Not support |
Net weight | 14kg |

Why use a BMS

