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AC Combiner Box 16 A Three-Phase with Type 2 SPD
AC Combiner Box 16 A Three-Phase with Type 2 SPD
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€116.71
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€116.71
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AC Combiner Box 16 A Three-Phase with Type 2 SPD
Alternating current combiner box for three-phase photovoltaic systems, designed for installation on the AC side between the inverter and the building's distribution board. It concentrates line protection and surge protection in a single container, avoiding the use of space in the existing consumer unit and making periodic checks easier.
The equipment includes a 16 A miniature circuit breaker, which protects the three-phase line against overloads and short circuits and acts as the inverter's isolating device, and a Type 2 surge protective device (class II) for limiting transient surges induced by indirect lightning strikes or by grid switching operations. The 16 A size on a 400 V three-phase grid covers inverters up to roughly 11 kW.
Key features
Complete AC line protection16 A circuit breaker against overload and short circuit on the three-phase line running to the main board.
Type 2 surge arresterThe class II SPD protects the inverter and the system from transient grid surges and those of indirect atmospheric origin.
The most common size16 A three-phase: a typical value for photovoltaic inverters with an indicative power output of up to about 11 kW.
Quick installationThe box is already assembled and internally wired: only the input and output connections are required.
Inverter isolationIt allows the inverter to be safely isolated from the grid during maintenance and inspections.
Contained dimensions319 × 259 × 144 mm for 1.6 kg: wall installation next to the inverter.
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 | 16 A |
| Indicative inverter power | Up to approx. 11 kW (400 V three-phase, 16 A) |
| Surge protective device (type) | Type 2 SPD (class II) |
| Miniature circuit breaker (MCB) | Yes, 16 A |
| Residual current device (RCD) | Not present |
| Dedicated isolator switch | Not present: isolation is provided by the miniature circuit breaker |
| Dimensions | 319 × 259 × 144 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.