The Phoenix Contact 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.

No-load voltage (UOC) max. 1100 V DC
MPP voltage (Un) max. 1000 V DC
Number of string inputs 1 (per MPP tracker)
Current per string (max.) 40 A (Imax)
Number of outputs 1 (per MPP tracker)
Number of supported MPP trackers 3
Fast installation and startup
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