String combiner box (SCB) - SOL-SC-1ST-0-DC-2MPPT-1200FS - 1101177

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String combiner box for photovoltaic systems up to 1000 V DC for the connection of 2x 1 string. With surge protection, DC fire department switch disconnector and Push-in connection for the input and output side.



Technical data




Connection diagram  

Connection diagram
Schematic application drawing

Connection diagram  

Connection diagram
Connection of the emergency switching off operation for the fireman's switch

Connection diagram  

Connection diagram
Connection of fire service switch

Circuit diagram  

Circuit diagram
Connection of the remote indication contact on the surge protection

Schematic diagram  

Schematic diagram
Connection of the PV strings, as well as connection to the inverter

Schematic diagram  

Schematic diagram
Connection of the protective grounding conductor

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System parameter

System voltage 1000 V DC (Umax)
Number of string inputs 1 (per MPP tracker)
Current per string (max.) 30 A (Imax)
Number of outputs 1 (per MPP tracker)
Number of supported MPP trackers 2
Switching capacity 30 A (1000 V)
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Safety equipment

Surge protective device T1 / T2
Protection level Up ≤ 3.5 kV
Total discharge current Itotal (8/20) µs 40 kA
Total discharge current Itotal (10/350) µs 5 kA
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Cable entry

Type of cable entry Cable gland
Cable cross section string input 2.5 mm² ... 6 mm²
Sealing area string input 3 mm ... 6.5 mm
Cable cross section output 2.5 mm² ... 6 mm²
Sealing area output 3 mm ... 6.5 mm
Cable cross section grounding 16 mm² (2 x)
Sealing area grounding 6 mm ... 12 mm (2 x)
Cable cross section emergency stop 2x 0.75 mm² ... 2.5 mm²
Sealing area emergency stop 6 mm ... 12 mm
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General data

Material cover/door Polycarbonate (transparent)
Degree of protection IP65
Protection class II
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Outer dimensions: width, height, depth 361 mm x 254 mm x 111 mm (Housing dimensions)
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Ambient conditions

Ambient temperature (operation) -20 °C ... 45 °C
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eCl@ss 10.0.1 27142422
eCl@ss 5.1 27371890
eCl@ss 7.0 27142422
eCl@ss 8.0 27142422
eCl@ss 9.0 27142422
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ETIM 4.0 EC000816
ETIM 5.0 EC000268
ETIM 6.0 EC000268
ETIM 7.0 EC000268
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Unit 15C, 906-930 Great South Road, Penrose
Auckland 1061
New Zealand

Phone: 0508 474 636
Toll Free (Local)
09 950 8495
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