10 products
PV Combiner Boxes, Fuses & DC/AC Disconnects
String protection and isolation for PV arrays: IP65 combiner boxes in 1, 4, and 6 strings with fused inputs, surge protection and DC breaker; 500 V DC disconnect box with 2-pole MCB; rotary DC and AC isolator switches 32 to 63 A, IP66 and lockable, for NEC 690.13 and 690.15 disconnects; MC4 in-line fuse connectors 1000 V and 1500 V; DIN-rail 1500 V fuse holders and 10x38 gPV fuses. AC disconnects · All solar →
Where each one goes
| Location | Device |
|---|---|
| At the array, per string | MC4 in-line fuse (15 A for 60-cell, 20 A for 72-cell and larger, per panel max series fuse) |
| Strings into one home run | Combiner box, fused, with SPD |
| DC side of the inverter | DC isolator or DC disconnect box |
| AC side of the inverter | AC isolator, sized to inverter output breaker |
