DC Combiner Cabinet
The DC Combiner Cabinet connects the high-voltage boxes to the PCS and provides DC-side power collection, control and protection. It integrates circuit breakers, a BAU, UPS and communication interfaces for connection with the high-voltage boxes, PCS, EMS and monitoring equipment. Its compact and flexible design can be customized to meet specific system configurations and project requirements.
Product Specifications
| No | Name | Parameters | Qty | Function | Remarks |
| 1 | Control unit | Master controller BAU / DC1500V | 1 | Battery cluster control & management unit | Battery stack control |
| 2 | HMI | 10" | 1 | Includes touchscreen, adapter board, USB drive | |
| 3 | UPS | 3kVA/2.7kW | 1 | Uninterruptible power supply | |
| 4 | UPS battery | 38AH/DC12V | 6 | Backup power | Optional; battery capacity selected per backup time |
| 5 | UPS dry contact | 1 | Backup power | Optional | |
| 6 | DC isolating switch | DC1500V/2P/2500A/with AC220V motor drive/with AC220V shunt trip/with auxiliary contacts | 1 | Busbar main isolating switch | |
| 7 | Fuse | DC1500V/3000A/with visual indicator | 1 | Busbar main circuit | |
| 8 | DC surge protective device | DC1500V/20kA/40kA | 1 | Busbar main circuit | |
| 9 | Fuse | DC1500V/50A/50kA | 2 | Busbar main circuit surge protection | |
| 10 | AC smart meter | AC380V/5A/Class 0.5/with RS485 communication | 1 | Energy metering of main distribution circuit | Optional |
| 11 | Current transformer | 250A/Class 0.5S | 3 | Energy metering of main distribution circuit | Optional |
| 12 | AC MCCB (molded-case circuit breaker) | AC380V/160A/4P/with AC220V shunt trip/with auxiliary contacts | 1 | Main distribution switch | |
| 13 | AC surge protective device | AC440V/20kA/40kA | 1 | Distribution circuit surge protection | |
| 14 | AC MCB (miniature circuit breaker) | AC440V/125A/10kA | Several | Distribution switch | |
| 15 | AC MCB | AC440V/63A/10kA | Several | Distribution switch | |
| 16 | AC MCB | AC440V/16A/10kA | Several | Distribution switch | |
| 17 | AC MCB | AC440V/10A/10kA | Several | Distribution switch | |
| 18 | RCD (residual current circuit breaker) | AC230V/16A/10kA | Several | Leakage distribution switch | |
| 19 | Switching power supply | 240W, output DC24V | 1 | Power conversion | |
| 20 | Interposing relay | Coil DC24V / main contacts AC220V | 3 | Secondary circuit control | |
| 21 | Emergency stop button | Red/self-locking/with auxiliary contacts | 1 | Emergency stop control | |
| 22 | Indicator light – red | Φ22/DC24V | 1 | Alarm indicator | |
| 23 | Indicator light – green | Φ22/DC24V | 1 | Running indicator | |
| 24 | Indicator light – yellow | Φ22/AC220V | 1 | AC indicator | |
| 25 | Indicator light – red | Φ22/AC220V | 2 | AC / trip (open) indicators | |
| 26 | Indicator light – green | Φ22/AC220V | 2 | AC / close (on) indicators | |
| 27 | Dual power transfer switch | 16A/AC220V | 1 | UPS primary/backup circuit switching | Optional |
| 28 | Socket | DIN-rail socket /250V/10A | 1 | ||
| 29 | DI/DO expansion module | 8 DO / 8 DI / DC24V / RS485 | 1 | I/O expansion | Optional |
| 30 | Switch | 4 fiber + 8 copper / POE | 1 | For video surveillance | Optional |
| 31 | Switch | 4 fiber + 8 copper | 1 | Data transmission | Optional |
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