Weidmüller Surge Protection Box - 2890320000
€ 223,25 exkl. USt.
Weidmüller Surge Protection Box - 2890320000 is backordered and will ship as soon as it is back in stock.
Advantages at a glance
DC surge protection Type 1+2
Combined lightning and surge protection Type 1+2 for the DC side up to 1100 V — protects modules and inverters.
MC4 connectors
DC connection via Stäubli MC4 Evo 2 with 45 A rated current per string — tool-free wiring.
3 String inputs
3 string inputs and 3 string outputs for one MPP tracker — compact combination of multiple strings.
IP65 protection class
Dust-tight and jet-proof housing (IP65) for outdoor mounting next to the inverter.
Wide temperature range
Designed for ambient temperatures down to -40 °C — also suitable for alpine and cold locations.
Compact format
Only 132 x 200 x 236 mm at 1.886 kg — space-saving mounting directly on the system side.
Technical data
| Parameter | Value |
|---|---|
| Category | String Combiner Box |
| DC surge protection | Type 1+2 |
| DC rated voltage | 1100 V |
| DC rated current | 45 A |
| Max. input current per string | 45 A |
| String inputs (total) | 3 |
| String outputs (max.) | 3 |
| Number of MPP trackers | 1 |
| DC connection | Stäubli MC4 Evo 2 |
| String fuses | no |
| Integrated string monitoring | no |
| Protection class | IP65 |
| Min. ambient temperature | -40 °C |
| Dimensions (H x W x D) | 132 x 200 x 236 mm |
| Weight | 1.886 kg |
| Manufacturer part number | 2890320000 |
Frequently Asked Questions
What is the Weidmüller surge protection box 2890320000?
The 2890320000 is a string combiner box from Weidmüller with integrated DC surge protection Type 1+2. It combines up to 3 strings on one MPP tracker and protects the DC side of the PV system up to 1100 V against overvoltages caused by lightning and switching operations.
Which systems is the box suitable for?
It is suitable for PV systems with a DC rated voltage of up to 1100 V and a rated current of up to 45 A per string. With 3 string inputs and one MPP tracker, it is designed for compact rooftop systems where multiple strings need to be combined and protected.
What surge protection does the box offer?
It contains combined DC surge protection Type 1+2, which dissipates both partial lightning currents and transient overvoltages. String fuses and integrated string monitoring are not included in this version.
Is the box suitable for outdoor installation?
Yes. The housing achieves IP65 protection, making it dust-tight and jet-proof. The wide temperature range down to -40 °C also makes the box suitable for cold and alpine outdoor locations.
Who is Weidmüller?
Weidmüller is a German manufacturer of connectivity, transmission, and automation technology with many years of experience in electrical engineering. Their product range includes connection technology, surge protection, and solutions for the photovoltaic sector.
Where can I buy surge protection for PV systems in Austria?
Surge protection boxes like the Weidmüller 2890320000 are available at SOLARVIC at solarvic.at. The online shop carries PV accessories for the Austrian market with shipping within Austria and to Germany.
How can I order?
Directly online via solarvic.at — the SOLARVIC team will be happy to help with any questions regarding design.
€ 223,25 exkl. USt.
Weidmüller Surge Protection Box - 2890320000 is backordered and will ship as soon as it is back in stock.