Dyness Tower Combiner Box DCB-5-50-HV
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The Dyness DCB-5-50-HV HV Combiner Box is an HV DC combiner box for aggregating up to five compatible Dyness HV battery systems into two DC outputs. The box operates within a rated voltage range of 160 V to 650 V DC, supports a maximum total input current of 200 A and a maximum of 40 A per input channel. The DCB handles DC combination only; communication between parallel battery systems follows the communication architecture of the respective battery system.
- 5 inputs, 2 outputs: Up to five DC battery inputs via one DCB into two DC outputs.
- 160 V to 650 V DC rated voltage range: Wide HV voltage range per the official Dyness datasheet.
- Up to 200 A input current: Maximum 40 A per input channel per product specification.
- DC combination independent of battery communication: The DCB handles DC distribution; communication remains part of the architecture of the connected battery system.
- IP65 protection rating: Protection against dust and water jets per product specification. Refer to the installation manual for permitted installation conditions.
5 DC inputs, 2 outputs and 160 to 650 V DC: Dyness DCB-5-50-HV
The DCB-5-50-HV combines up to five DC battery inputs and routes them via two DC outputs into the further DC system architecture. The box is designed for wall mounting and weighs 13 kg. Dimensions are 545 × 450 × 150 mm. The DCB is not a communication hub or battery master; communication between parallel battery systems follows the native communication architecture of the connected battery system.
Compatible battery systems and system requirements
The DCB-5-50-HV is electrically specified for DC systems within 160 V to 650 V DC, with a maximum of 40 A per input and a maximum total input current of 200 A. The current Dyness documentation for the DCB does not explicitly restrict the product to a single battery series.
The Dyness Tower Pro series is a known application of the DCB-5-50-HV. The Dyness Tower S3 configurations also fall within the specified voltage range. Both series use Daisy Chain communication between parallel towers, with the DCB handling DC combination only. The operating voltage ranges of both series relative to the DCB voltage range are shown in the table below.
| Configuration | Series | Operating voltage range |
|---|---|---|
| TP7 | Tower Pro | 168 V to 216 V DC |
| TP11 | Tower Pro | 252 V to 324 V DC |
| TP15 | Tower Pro | 336 V to 432 V DC |
| TP19 | Tower Pro | 420 V to 540 V DC |
| TP23 | Tower Pro | 504 V to 648 V DC |
| TS7 | Tower S3 | 168 V to 216 V DC |
| TS10 | Tower S3 | 252 V to 324 V DC |
| TS14 | Tower S3 | 336 V to 432 V DC |
| TS17 | Tower S3 | 420 V to 540 V DC |
| TS21 | Tower S3 | 504 V to 648 V DC |
| DCB-5-50-HV | Combiner Box | 160 V to 650 V DC |
Full technical specifications: Dyness DCB-5-50-HV HV Combiner Box
| Property | Value |
|---|---|
| Brand and model | Dyness DCB-5-50-HV (5in 2out) |
| Input circuits | 5 |
| Output circuits | 2 |
| Rated voltage range | 160 V to 650 V DC |
| Max. total input current | 200 A |
| Max. current per input channel | 40 A |
| Protection rating | IP65 |
| Operating temperature | -20 °C to 60 °C |
| Dimensions (W × D × H) | 545 × 450 × 150 mm |
| Weight | 13 kg |
| Mounting | Wall mount |
| System application | See section Compatible battery systems and system requirements |
The official Dyness datasheet DCB-5-50-HV (5in 2out), version 20250926-EN, is the authoritative source for technical specifications, installation and use.
Frequently asked questions about the Dyness DCB-5-50-HV HV Combiner Box
What is the Dyness DCB-5-50-HV used for?
The DCB-5-50-HV is an HV DC combiner box that aggregates up to five DC battery inputs into two DC outputs. The box handles DC combination and distribution only; communication between parallel battery systems follows the native communication architecture of the connected battery system.
How many battery systems can be connected to one DCB-5-50-HV?
The DCB-5-50-HV has 5 DC inputs and supports the parallel connection of up to 5 battery systems. The maximum total input current is 200 A (maximum 40 A per input channel). Always check the current Dyness system documentation for the relevant battery series and inverter architecture before installation.
Can the DCB-5-50-HV be used with Dyness Tower S3?
The Tower S3 configurations fall within the rated voltage range of the DCB-5-50-HV (160 V to 650 V DC) and use Daisy Chain communication between parallel towers, with the DCB handling DC combination only.
Does the DCB-5-50-HV also handle communication between battery systems?
No. The DCB-5-50-HV handles DC combination and distribution only. Communication between parallel battery systems follows the native communication architecture of the connected battery system, such as Daisy Chain for Tower Pro and Tower S3.
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