String combiner box (SCB) - SOL-SC-20ST-1-15F-00000031

String combiner box for photovoltaic systems up to 1500 V DC for the connection of up to 20 strings. With two-sided fuse protection via fuse holder. Cable entry via multi-cable gland. Including 15 A fuse-links.

Product Details

The Solarline string combiner boxes (SCBs) are used in both small rooftop systems and large ground-mounted systems. Their functions include collecting and protecting strings and, if necessary, separating the panels from the rest of the system by means of a switch disconnector or fire service switch disconnector.

Product type String combiner box (SCB)
Installation location Outdoor installation, roofed area, no direct sunlight
Number of supported MPP trackers 1
Number of outputs 1
Insulation characteristics
Protection class II

System voltage 1500 V DC (Umax)

Number of string inputs 20
Current per string Typ. 9 A (Inc, up to 50°C)
10 A (Inc, up to 45°C)
Current per string max. 12.5 A (Imax, up to 19°C)
String fuse 10.3 x 85 mm in scope of delivery 10.3 x 85 mm (in scope of delivery)

External dimensions
Width / Height / Depth 535 mm / 735 mm / 270 mm (Housing dimensions)

Material Housing Fiberglass-reinforced plastic
Impact strength IK10

Cable entry
Type of cable entry Cable gland
Cable cross section string input 4 mm² ... 6 mm²
Sealing area string input 5 mm ... 7 mm
Cable cross section output 300 mm²
Sealing area output 21 mm ... 35 mm

Ambient conditions
Degree of protection IP65
Impact strength IK10
Ambient temperature (operation) -20 °C ... 60 °C (Derating starting at 45°C)

Standards/specifications IEC 61439-2

Item number 1118966
Packing unit 1 pc
Minimum order quantity 10 pc
Note Made to Order (non-returnable)
Product Key DTHAAA
GTIN 4063151047399
Weight per Piece (including packing) 20 kg
Weight per Piece (excluding packing) 20 kg
Customs tariff number 85372091
Country of origin DE


ECLASS-9.0 27142422
ECLASS-10.0.1 27142422
ECLASS-11.0 27142422


ETIM 7.0 EC000268


UNSPSC 21.0 39121116

Compatible Products

Your advantages

Standard-compliant switchgear and controlgear assembly, thanks to use of DIN EN 61439
Use of the best connection technologies and suitable components
Large portfolio of string combiner boxes in stock
Durable and error-free operation, thanks to comprehensively tested solutions
Application-oriented analysis and consultation