Litio Store
DC Combiner Box 1000 V Type 1+2 SPD and 2 Fuse Holders 15 A for 1 String
DC Combiner Box 1000 V Type 1+2 SPD and 2 Fuse Holders 15 A for 1 String
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€143.14
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€143.14
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DC Combiner Box 1000 V Type 1+2 SPD and 2 Fuse Holders 15 A for 1 String
The DC combiner box is installed on the DC side of the photovoltaic system, between the module string and the inverter input. Compared with the versions fitted with a surge arrester only, this model adds two 15 A fuse holders, one on the positive pole and one on the negative pole of the string: string fuses interrupt the reverse currents that can flow through a faulty string when it is connected in parallel with others, preventing damage to the modules and the risk of ignition.
Surge protection is provided by a combined Type 1+2 surge arrester for photovoltaics, rated for 1000 V DC, able to discharge both lightning current (10/350 µs waveform) and induced impulses (8/20 µs waveform). It is therefore the configuration indicated when the building is equipped with a lightning protection system (LPS). The box serves one string on one MPPT input.
Key features
Dual protection: SPD and fusesIt combines the Type 1+2 combined surge arrester with overcurrent protection on both poles of the string.
Two 15 A fuse holdersThe fuses, one on the positive and one on the negative, interrupt reverse string currents and protect the modules in the event of a fault.
Type 1+2 surge arresterIt discharges both lightning current with a 10/350 µs waveform and induced surges with an 8/20 µs waveform, in a single device.
For buildings with lightning protectionTest class 1+2 is the one required where an LPS is present or in case of risk of a direct lightning strike.
Up to 1000 V DC, 1 stringRated for one photovoltaic string on one MPPT input, with a working voltage of up to 1000 V DC.
Weatherproof IP65 - IK08 enclosureHalogen-free recyclable plastic enclosure, dust-tight and protected against water jets, resistant to UV rays and impact.
Technical specifications
| Feature | Value |
|---|---|
| Switchboard type | DC combiner box (PV string box) |
| System side | Direct current (DC) |
| Number of PV strings | 1 |
| MPPTs managed | 1 |
| Maximum PV voltage | 1000 V DC |
| Surge protective device (SPD) | Type 1+2 (combined) SPD for photovoltaic systems |
| Overcurrent protection | 2 fuse holders rated 15 A (positive pole and negative pole) |
| Protection rating | IP65 |
| Impact resistance | IK08 |
| Enclosure | Recyclable halogen-free plastic material, UV resistant |
| Operating temperature | from -25 °C to +60 °C |
| Dimensions | 202 × 201 × 120 mm |
| Weight | 1.6 kg |
| Standards | IEC 61439-1, IEC 61439-2; LVD 2014/35/EU, EMC 2014/30/EU and RoHS 2011/65/EU directives |
Installation and wiring must be carried out by qualified personnel in accordance with the applicable standards and the electrical design of the system.