String Fuses

String fuses protect string wiring and intact modules in a faulty string in systems containing numerous strings wired in parallel (see Sections 4.3.3.1 and 4.3.3.2) andshould be sized for around 1.4 to 2 times the string short-circuit current ISC-stC, and upwards of 1.6 times the string short-circuit current for Alpine installations (see Section 4.3.1.2). For modules with higher reverse current loads, the

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Figure 4.79 Multi-Contact’s range of latchable PV plug-in connectors, which were introduced by popular demand (Photo: Multi-Contact AG)

Updated: August 7, 2015 — 6:42 am