Weidmüller Surge Protection Box - 3131290000
€ 816,78 exkl. USt.
Weidmüller Surge Protection Box - 3131290000 is backordered and will ship as soon as it is back in stock.
Advantages at a Glance
Type 1+2 Surge Protection
Integrated DC surge arrester type 1+2 protects the PV system from lightning strikes and switching overvoltages up to 1100 V.
12 Inputs, 6 Outputs
Combining up to 12 string inputs to 6 outputs with MC4-Evo-2 compatible connectors.
41 A per String
Maximum input current of 41 A per string – dimensioned for current high-current PV modules.
Suitable for Extreme Temperatures
Usable from -40 °C ambient temperature – suitable for alpine and harsh installation sites.
IP65 Protection
Dust-tight and jet-proof housing (IP65) for outdoor mounting directly on the field.
1100 V System Voltage
Designed for PV systems up to 1100 V DC nominal voltage and maximum input voltage.
Technical Data
| Parameter | Value |
|---|---|
| Category | String Combiner Box |
| String Inputs | 12 |
| String Outputs | 6 |
| DC Rated Voltage | 1100 V |
| Max. Input Voltage DC | 1100 V |
| DC Rated Current | 41 A |
| Max. Input Current per String | 41 A |
| DC Surge Protection | Type 1+2 |
| DC Connection | MC4 Evo 2 |
| String Fuses | not included |
| Integrated String Monitoring | no |
| Protection Class | IP65 |
| Min. Ambient Temperature | -40 °C |
| Dimensions | 132 x 400 x 336 mm |
| Weight | 6.29 kg |
| Manufacturer Part Number | 3131290000 |
Frequently Asked Questions
What is the Weidmüller Surge Protection Box 3131290000?
It is a string combiner box (generator junction box) for PV systems. It combines up to 12 string inputs to 6 outputs and includes integrated DC surge protection type 1+2 for systems up to 1100 V.
Which systems is this combiner box suitable for?
The box is designed for PV systems with up to 1100 V DC nominal voltage and a string current of up to 41 A. With 6 MPP areas and 12 inputs, it is suitable for larger string systems on roofs or open spaces.
Are string fuses included?
No, the string fuses are not included and must be added separately if required. Integrated string monitoring is also not available.
Is the box suitable for outdoor use?
Yes. The housing meets protection class IP65 (dust-tight and jet-proof) and is designed for ambient temperatures from -40 °C, making it suitable for use in alpine and harsh locations.
Who is Weidmüller?
Weidmüller is an internationally active manufacturer of electrical connection technology and components for energy and automation technology. Their portfolio includes, among other things, junction boxes and protective components for photovoltaics.
Where can I buy a PV junction box in Austria?
You can purchase the Weidmüller Surge Protection Box online at SOLARVIC at solarvic.at. The product range is aimed at PV installers and system operators throughout Austria.
How can I order?
Directly online via solarvic.at – for questions about the design, the SOLARVIC team will be happy to help.
€ 816,78 exkl. USt.
Weidmüller Surge Protection Box - 3131290000 is backordered and will ship as soon as it is back in stock.