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AC Combiner Box 10 A Three-Phase with Type 2 SPD
AC Combiner Box 10 A Three-Phase with Type 2 SPD
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€130.80
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€130.80
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Businesses and non-Italian private customers: purchase with 22% VAT. The 10% rate is reserved for private customers resident in Italy — find out more.
Foreign companies entitled to 0% VAT: please write to info@litio.store.
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AC Combiner Box 10 A Three-Phase with Type 2 SPD
Alternating current combiner box for small three-phase photovoltaic systems, to be installed on the AC side between the inverter output and the distribution board. It is the smaller version of the AC combiner box family: the same protection functions, a more compact enclosure, designed for systems with a limited power output.
Inside there is room for a 10 A miniature circuit breaker providing overload and short-circuit protection of the three-phase line and isolation of the inverter, and a Type 2 surge protective device (class II) against transient surges coming from the grid or induced by indirect lightning strikes. On a 400 V three-phase grid, 10 A corresponds roughly to inverters up to about 6.9 kW.
Key features
A size for small systems10 A three-phase: suited to inverters with an indicative power output of up to about 6.9 kW.
Integrated circuit breakerIt protects the AC line against overloads and short circuits and allows the inverter to be isolated.
Type 2 surge arresterIt limits the transient surges arriving from the grid, protecting the inverter electronics.
Compact enclosure202 × 201 × 120 mm for 1.6 kg: it takes up little wall space next to the inverter.
Ready to installPre-wired box: in the field only the line from the inverter and the one to the main board need to be connected.
A tidier systemIt concentrates the photovoltaic AC protection devices outside the existing consumer unit, simplifying inspections.
Technical specifications
| Feature | Value |
|---|---|
| Switchboard type | AC combiner box for photovoltaic systems |
| System side | Alternating current (AC), between the inverter and the distribution board |
| Number of poles / phases | Three-phase (3L + N) |
| Nominal current | 10 A |
| Indicative inverter power | Up to approx. 6.9 kW (400 V three-phase, 10 A) |
| Surge protective device (type) | Type 2 SPD (class II) |
| Miniature circuit breaker (MCB) | Sì, 10 A |
| Residual current device (RCD) | Not present |
| Dedicated isolator switch | Not present: isolation is provided by the miniature circuit breaker |
| Dimensions | 202 × 201 × 120 mm |
| Weight | 1.6 kg |
| Reference standards of the components | EN 61643-11 (surge protective devices), EN 60898-1 (miniature circuit breakers) |
Installation and wiring must be carried out by qualified personnel in accordance with the applicable standards and the electrical design of the system.