Flexible
- Integrated AC distribution for Sunny Island, generator and PV systems
- Can accommodate various generator, PV and load sizes
- For systems up to 100 kW
Simple
- Load shedding, Sunny Island and generator contactors and circuit breakers
- Circuit breaker for PV system
Enhanced Safety
- Reverse current monitoring
- Simple emergency operation of the generator
Sturdy
- Robust NEMA 3 enclosure rating protects against weather and windblown dust
| Technical data | Multicluster Box 12U |
| General | |
| Number of phases | 3-phase |
| Nominal voltage | 3 x 120 V / 208 V |
| Voltage range | 105 V – 132 V / 181 V – 229 V |
| Nominal frequency / range | 60 Hz / 55 Hz ... 65 Hz |
| Dimensions (W / H / D) | 48 / 65 / 14 in (122 / 165 / 36 cm) |
| Mounting type | standing on base |
| Weight | approx. 485 lbs (220 kg) |
| Connections for Sunny Island | |
| Number | 12 |
| Continuous AC output at 77 °F (25 °C) | up to 72 kW |
| AC output for 30 min. / 1 min. | 80 kW / 100 kW |
| Nominal AC current at 77 °F (25 °C) | 3 x 167 A |
| Connection for PV system | |
| Number | 1 x 3-phase |
| Nominal AC power / AC current | 110 kW / 3 x 300 A |
| Load connection | |
| Number | 1 x 3-phase |
| Nominal power / current | 110 kW / 3 x 300 A |
| Generator connection | |
| Number | 1 x 3-phase |
| Nominal power / current | 110 kW / 3 x 300 A |
| Ambient conditions | |
| Ambient temperature | –25 to +60 °C (–13 to +122 °F) |
| Enclosure rating | NEMA 12 |
| Certifications and permits | UL 508A |
| Accessories | |
| Communication cable | 4 x 5 m FTP Cat 5e |
| Multicluster Piggy-Back | opt. |
| Type Designation | MCB-12U |
Downloads
Language:
Data sheet
|
1.142 KB |
MULTICLUSTER BOX for SUNNY ISLAND 4548-US and 6048-US - Simple design of large off-grid systems Type: Data sheet Language: English (US) Document number: CLUSTBOX-DUS124626 Version number: 2.6 |
Installation Guide
|
1.820 KB |
MULTICLUSTER BOX FOR SUNNY ISLAND 4548‑US/5048‑US/6048‑US - Installation Manual Type: Installation Guide Language: English (US) Document number: MCB12-IA-eng-IUS120811 Version number: 1.1 |


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