Efficient
- Optimum fault recognition for high yields
- Reduced system costs through use of up to nine devices per Sunny Central inverter
Precise
- System monitoring as with Sunny Boy via string current monitoring
- DC distributor box with NEMA 3R with integrated current measurement
Flexible
- Three separate constructions for the best possible system design
- Optionally suitable for use near to the coast
Straightforward
- Convenient mounting preparation due to removable floor and side plates
- Simple configuration of the string current monitoring
| PV generator connection | Sunny Central String-Monitor US Version 24 | Sunny Central String-Monitor US Version 32 | Sunny Central String-Monitor US Version 64 |
| Input voltage range | 0 ... 600 V DC | 0 ... 600 V DC | 0 ... 600 V DC |
| Max fuse size (10 x 38 class CC fuses) | 20 A, 600 V DC 1) | 15 A, 600 V DC 1) | 8 A, 600 V DC 1) |
| Max. PV short-circuit current per string | 12.8 A 2) | 9.6 A 2) | 5.1 A 2) |
| Max. number of strings | 24 | 32 | 64 |
| Fused inputs per measuring channel | 3 | 4 | 8 |
| PV array configuration | neg. or pos. grounded | neg. or pos. grounded | neg. or pos. grounded |
| Number of measuring channels | 8 | 8 | 8 |
| Sunny Central Connection | |||
| DC short-circuit current | 480 A | 480 A | 512 A |
| Max. operating output current, A DC, continuous | 308 A | 308 A | 328 A |
| Max. number of cables per output port | 2 | 2 | 2 |
| Mechanical Data | |||
| Dimensions: W x H x D in inches | 31.5 x 31.5 x 9.8 | 31.5 x 31.5 x 9.8 | 31.5 x 47.2 x 11.8 |
| Weight | 143 lbs | 146 lbs | 194 lbs |
| Protection rating | NEMA 3R | NEMA 3R | NEMA 3R |
| Housing material | Steel or Aluminum | Steel or Aluminum | Steel or Aluminum |
| Ambient conditions | |||
| Permissible ambient temperatures | –13 °F to 113 °F | –13 °F to 113 °F | –13 °F to 113 °F |
| Rel. humidity | up to 95%, condensation possible |
up to 95%, condensation possible |
up to 95%, condensation possible |
| Communication | |||
| Connection SSM-US | RS485 | RS485 | RS485 |
| Type designation | SSM-US | SSM-US | SSM-US |
| 1) These values indicate input current without the derating factor of NEC articles 690.8(A)(1) and 690.8 (8)(1) applied. | |||
| 2) These values indicate input current with the derating factor of NEC articles 690.8(A)(1) and 690.8 (8)(1) applied. |
Downloads
Language:
Data sheet
|
240 KB |
SUNNY CENTRAL STRING-MONITOR US - Accurate monitoring for large North American systems ensures high yields Type: Data sheet Language: English (US) Document number: SUNNYSTRINGU-DUS100716 Version number: 1.6 |
Technical information
|
803 KB |
SUNNY CENTRAL STRING-MONITOR US - Accessories for all Sunny Central inverters on the North American market Type: Technical information Language: English (US) Document number: SSM-UUS094511 Version number: 1.1 |
Technical Description
|
2.699 KB |
SUNNY CENTRAL STRING-MONITOR US - Technical Description Type: Technical Description Language: English (US) Document number: SSMUS-TUS094511 Version number: 1.1 |
|
325 KB |
SUNNY CENTRAL STRING-MONITOR US - Preparation for Installation Type: Technical Description Language: English (US) Document number: SSMUS_Aus-TUS094310 Version number: 1.0 |

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