Weidmüller surge protection box - 3108230000
€ 189,76 exkl. USt.
Weidmüller surge protection box - 3108230000 is backordered and will ship as soon as it is back in stock.
Advantages at a glance
Surge Protection Type 1+2
Combined arrester type 1+2 protects the DC side from partial lightning and overvoltages up to 1000 V.
2 Strings, 2 MPPT
2 string inputs and 2 string outputs for connecting 2 MPP trackers.
39 A per String
Maximum input current of 39 A per string with up to 1100 V DC input voltage.
IP65 Enclosure
Dust-tight and jet-proof enclosure for outdoor use.
MC4 compatible
DC connection via Stäubli MC4 for fast, secure string connection.
Compact Design
Only 280 x 60 x 52 mm at 0.956 kg – space-saving installation close to the inverter.
Technical Data
| Parameter | Value |
|---|---|
| Manufacturer | Weidmüller |
| Manufacturer Part Number | 3108230000 |
| DC Surge Protection | Type 1+2 |
| Replaceable Arresters | No |
| DC Rated Voltage | 1000 V |
| Max. Input Voltage DC | 1100 V |
| DC Rated Current | 39 A |
| Max. Input Current per String | 39 A |
| String Inputs | 2 |
| String Outputs | 2 |
| Number of MPPT | 2 |
| String Fuses | Not included |
| Integrated String Monitoring | No |
| DC Connection | Stäubli MC4 |
| Cable Cross-Section Strings | 4 – 6 mm² |
| Cable Cross-Section PE | 1 x 16 mm² |
| Protection Class | IP65 |
| Dimensions (H x W x D) | 280 x 60 x 52 mm |
| Weight | 0.956 kg |
| Country of Origin | Slovakia |
Awards & Certificates
Frequently Asked Questions
What is the Weidmüller Surge Protection Box 3108230000?
The Weidmüller 3108230000 is a pre-assembled DC connection box (String Combiner Box) with integrated surge protection Type 1+2. It protects the DC side of a PV system with up to 2 strings from overvoltages up to 1000 V rated voltage.
Which systems is the box suitable for?
It is designed for PV systems with 2 strings and 2 MPP trackers. Each string can carry up to 39 A, the maximum input voltage is 1100 V DC. The connection is made via Stäubli MC4 with cable cross-sections of 4 – 6 mm².
Are string fuses and string monitoring included?
No. String fuses are not included in this version, and integrated string monitoring is not provided. The arresters are permanently installed and not replaceable.
Can the box be mounted outdoors?
Yes. The housing meets protection class IP65, making it dust-tight and protected against jet water. With compact dimensions of 280 x 60 x 52 mm, it can be installed space-savingly close to the inverter.
Who is Weidmüller?
Weidmüller is a German manufacturer of connection, transmission, and interface technology with many years of experience in electrical and automation technology. For photovoltaics, Weidmüller offers, among other things, connection boxes and surge protection solutions.
Where can I buy surge protection for PV systems in Austria?
Surge protection boxes and suitable DC accessories are available from SOLARVIC via solarvic.at. There you will find the Weidmüller 3108230000 as well as other materials for building your photovoltaic system.
How can I order?
Directly online via solarvic.at – if you have questions about the design, the SOLARVIC team will be happy to help.
€ 189,76 exkl. USt.
Weidmüller surge protection box - 3108230000 is backordered and will ship as soon as it is back in stock.
