Properties
| Version | Photovoltaics, Combiner Box, PV Next, 1100 V, 1 MPP, 2 Inputs / 1 Output per MPP, Surge protection II, WM4C |
| Order No. | 2791940000 |
| Type | PVN DC 2I 1O 1MPP SPD2R WM4 11 |
| GTIN (EAN) | 4064675072980 |
| Qty. | 1 items |
| Depth | 132 mm |
| Depth (inches) | 5.197 inch |
| 234 mm | |
| Height (inches) | 9.213 inch |
| Width | 200 mm |
| Width (inches) | 7.874 inch |
| Net weight | 1,630 g |
| Ambient temperature | -40 °C…50 °C |
| Humidity | 5...95 %, no condensation |
| RoHS Compliance Status | Compliant |
| REACH SVHC | Lead 7439-92-1 |
| SCIP | bdab5698-6a20-4370-8e28-8810d882d01a |
| Time interval | 5 years |
| Current per Maximum Power Point, max. | 30 A |
| Rated DC voltage | 1,100 V |
| Rated short-term current resistance |
|
| Connection type string | Plug WM4C |
| Enclosure attachment | Via mounting foots |
| Impact resistance |
IK08 in accordance with IEC 62208
IK10 in accordance with IEC 62262 |
| Insulating material |
Polycarbonate
Polyester glass-fibre reinforced, Polycarbonate |
| Protection class | II |
| Type of mounting |
Wall mounting
4 screws |
| Installation location | Protected outdoor area (Land and Sea) |
| Protection degree | IP65 |
| Standards | EN 61643-31 |
| Amount of maximum power points (MPP) | 1 |
| DC Input + & - |
|
| Functional earth connector |
|
| Fuse type | Neither fuse cartridge nor holder |
| Fuses | No |
| Max. number of DC inputs | per Maximum Power Point 2 inputs connected in parallel |
| Number of conduit inlets | 2 |
| Number of string inputs per MPP | ≤ 2 |
| Surge protection auxiliary contact |
|
| Number of inputs | 2 |
| DC Output + & - |
|
| Max. number of DC outputs | per Maximum Power Point 1 output |
| Discharge current In (8/20 µs) | 20 kA |
| Discharge current, max. (8/20 µs) | 40 kA |
| Maximum continuous operating voltage DC UCPV mode +/-, -/PE, +/PE | 1,100 V |
| Protection level Up (+/-) | ≤ 3.8 kV |
| Protection level Up (+/PE) | ≤ 3.8 kV |
| Protection level Up (-/PE) | ≤ 3.8 kV |
| PV system voltage, max. Ucpv | 1,100 V |
| Requirements class | Type II |
| Short-circuit curent ISCPV | 11,000 A |
| Standards | EN 61643-31 |
| Total discharge current Itotal ( 8/20µs) | 50 kA |
| Switch disconnector execution | no switch |
| Voltage type | DC |
| Product information |
The SCIP number was assigned due to a lead content of more than 0.1 % of the net weight. Safe use instruction according to ECHA: The identification of the hazardous substance is sufficient to allow safe use of the article throughout its life cycle, including the service life, disassembly and waste/recycling phase |
| Approval/Certificate/Document of Conformity | [PV Next Mini EU Declaration of Conformity](https://mdcop.weidmueller.com/mediadelivery/asset/900_249279) |
| Engineering Data |
[CAD data -- STEP](https://mdcop.weidmueller.com/mediadelivery/asset/900_245586)
[Application notes -- Schematic Diagram for PV Next Mini](https://mdcop.weidmueller.com/mediadelivery/asset/900_262407) |
| Eplan Data Portal | [Eplan data](https://dataportal.eplan.com/part-details/WEI.2791940000) |
| CADENAS eCATALOG | [CAX data](https://weidmueller-embedded.partcommunity.com?catalog=weidmueller_qs&part=2791940000) |
| WSCAD Universe | [WSCAD data](https://wscaduniverse.com/part-detail?manufacturerId=88&type=0&partNumber=2791940000&norm=0) |
| Technical Documentation |
[Customer drawing](https://mdcop.weidmueller.com/mediadelivery/asset/900_245174)
[2932700000_00_03-2023_DRILL-TEMP_PV-Next_20-20](https://mdcop.weidmueller.com/mediadelivery/asset/900_295795) |
| User Documentation |
[Manual PV Next String Combiner Box](https://mdcop.weidmueller.com/mediadelivery/asset/900_96571)
[MANUAL PV NEXT IT/ES/FR](https://mdcop.weidmueller.com/mediadelivery/asset/900_153695) [Manual PV Next Mini](https://mdcop.weidmueller.com/mediadelivery/asset/900_318996) |
| White paper |
[Fact Sheet DE PV CB Wie man Gebäude gegen Blitzeinschläge schützt](https://mdcop.weidmueller.com/mediadelivery/asset/900_249825)
[Fact Sheet DE PV Wie man die Lebensdauer eines GAK verlängert](https://mdcop.weidmueller.com/mediadelivery/asset/900_249826) [Fact Sheet EN PV Combiner Box earthing](https://mdcop.weidmueller.com/mediadelivery/asset/900_303983) [Fact Sheet DE PV Combiner Box Erdung](https://mdcop.weidmueller.com/mediadelivery/asset/900_303984) [Fact Sheet DE PV CB Wann Sicherungen zu installieren sind](https://mdcop.weidmueller.com/mediadelivery/asset/900_249827) [Fact Sheet DE CB PV NEXT](https://mdcop.weidmueller.com/mediadelivery/asset/900_249828) [Fact Sheet EN PV CB When DC fuses are mandatory to install](https://mdcop.weidmueller.com/mediadelivery/asset/900_249829) [Fact Sheet EN CB PV NEXT](https://mdcop.weidmueller.com/mediadelivery/asset/900_249830) [Fact Sheet EN PV How to protect buildings against lightning strikes](https://mdcop.weidmueller.com/mediadelivery/asset/900_249831) [Fact Sheet EN PV How to extend the life time of a Combiner Box](https://mdcop.weidmueller.com/mediadelivery/asset/900_249832) [Fact Sheet DE CB PV Strings kombinieren](https://mdcop.weidmueller.com/mediadelivery/asset/900_290541) [Fact Sheet EN CB Combining PV strings](https://mdcop.weidmueller.com/mediadelivery/asset/900_290550) |
| Catalogues | [Catalogues in PDF-format](https://www.weidmueller.com/int/service/technical_product_catalogues.jsp) |
| ETIM 6.0 | EC002928 |
| ETIM 7.0 | EC002928 |
| ETIM 8.0 | EC003857 |
| ETIM 9.0 | EC003857 |
| ECLASS 9.0 | 22-57-92-03 |
| ECLASS 9.1 | 22-57-02-90 |
| ECLASS 10.0 | 22-57-02-90 |
| ECLASS 11.0 | 22-57-02-92 |
| ECLASS 12.0 | 22-57-02-92 |
| ECLASS 13.0 | 22-57-02-92 |
| ECLASS 14.0 | 22-57-02-92 |
| Long specification |
Combiner box for inverters with 1 MPP tracker, suitable for protecting the DC side of a photovoltaic system according to EN 51543-32. MPP1: Max. string voltage Uoc: 1100V Approval according to low voltage switchgear and controlgear IEC 61439-1:2011 and EN 61439-2:2011 |
| Approvals |  |
| ROHS | Conform |
Accessories
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Item No.:8000149520Packaging unit:1 PC
Photovoltaics, Device markers, Accessories, Conductor and cable markers, Cable ties, Marking set, Warning label, Cable marker
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-
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Item No.:2749910000Packaging unit:1 PC
Screwdriver, Blade width (B): 3 mm, 150 mm, Blade thickness (A): 3
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Item No.:2877860000Packaging unit:1 PC
Photovoltaics, Y-Connector Cable, 1x WM4 C Male, 2x MC4 Female, 6mm², 1100 V
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Item No.:2877850000Packaging unit:1 PC
Photovoltaics, Y-Connector Cable, 1x WM4 C Female, 2x MC4 Male, 6mm², 1100 V
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Item No.:9536040000Packaging unit:1 PC
FPC (polycarbonate empty enclosure), Mounting foot, Fixing lugs, Height: 40 mm, Width: 19 mm, Depth: 35.5 mm, Material: Polyamide, Light Grey
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Item No.:2749850000Packaging unit:1 PC
Screwdriver, Blade width (B): 5.5 mm, Blade length: 125 mm, Blade thickness (A): 1 mm
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Item No.:2749810000Packaging unit:1 PC
Screwdriver, Blade width (B): 3.5 mm, Blade length: 100 mm, Blade thickness (A): 0.6 mm
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Item No.:2659350000Packaging unit:100 PC
Cable ties, 4.5 x 290 mm, Polyamide 66, 220 N
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Item No.:3077650000Packaging unit:1 PC
Photovoltaics, Blind plug, Accessories, Blind plug, 50 pieces
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PhotovoltaicsAccessoriesPV marking sets
ToolsStripping the insulationWire strippers for specific insulation materialsTools
PhotovoltaicsConnectorsAccessories
ToolsScrewdriversVDE insulated screwdrivers and setsCrosshead screwdriver Phillips
PhotovoltaicsAccessoriesPV Cable HarnessingY-Connector Cables
Enclosure Systems and ComponentsPlastic enclosuresFPC and MPC seriesAccessories - FPC and MPCExternal fixing lugs
ToolsScrewdriversVDE insulated screwdrivers and setsSlotted screwdriver
Cabinet InfrastructureCable tiesSpecial cable tiesUV-resistant cable ties
PhotovoltaicsAccessoriesPV Sun Covers
PhotovoltaicsAccessoriesSealing sets
ToolsCuttingCutting tools
Is accessory of
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Item No.:3077650000Packaging unit:1 PC
Photovoltaics, Blind plug, Accessories, Blind plug, 50 pieces
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PhotovoltaicsAccessoriesSealing sets
PhotovoltaicsAccessoriesPV Sun Covers
Counterparts
PhotovoltaicsConnectorsPV-Stick field connectors
Spare parts
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Item No.:2530660000Packaging unit:9 PC
Surge voltage arrester, Low voltage, Accessories, Spare arrester
Lightning and Surge ProtectionSPDs for energy systemsPhotovoltaicsVPU PV II1000 VSpare Arrester