Weidmüller 2866330000 is a DC generator junction box designed to provide robust overvoltage protection. This product, also recognised under the alternate description 2851869, is engineered to shield electrical systems from voltage surges, ensuring optimal performance and longevity of components in renewable energy applications, particularly in photovoltaic systems. Its design accommodates a range of voltage levels, making it suitable for integration within solar panel arrays to mitigate the risk of overvoltage incidents. The 2866330000 offers a reliable solution for maintaining the operational integrity of sensitive equipment exposed to fluctuating environmental conditions.
| Type |
Generator junction box |
| Material |
Plastic |
| Colour |
White |
| Ambient temperature |
-40 °C…50°C |
| Amount of maximum power points |
2 |
| Article |
Sealing plug |
| Cable Entry |
Number of cable |
| Category type 1 |
false |
| Category type 2 |
true |
| Category type 3 |
false |
| Connection type string |
Internal terminal (with |
| Content |
1 |
| DC Input + & - |
Wire connection |
| DC Output + & - |
Wire connection |
| Degree of protection (IP) |
IP65 |
| Depth |
132 |
| Depth (inches) |
5.1968 inch |
| Discharge current, max. (8/20 µs) |
40 kA |
| ECLASS 14 |
22-57-02-92 |
| ECLASS 15.0 |
22-57-02-92 |
| Enclosure attachment |
Via mounting foots |
| Equipped with switch disconnector |
false |
| ETIM 10 |
EC003857 |
| ETIM 8.0 |
EC003857 |
| ETIM 9.0 |
EC003857 |
| Functional earth connector |
Cable entry |
| Fuse Type |
Neither fuse cartridge nor holder |
| Fuses |
No |
| GTIN (EAN) |
4064675604013 |
| Height |
228 |
| Height (inches) |
8.9764 inch |
| Humidity |
5...95 %, no condensation |
| Impact resistance |
IK08 in accordance |
| Impact strength |
IK08 |
| Included accessories |
Article |
| Installation location |
Protected outdoor area |
| Insulating material |
Polyester glass-fibre |
| Long specification |
Combiner box for inverters |
| Max. input current per string |
50.25 |
| Max. input voltage DC |
1100 |
| Max. number of DC inputs |
per Maximum Power Point 2 inputs connected in parallel |
| Max. number of DC outputs |
per Maximum Power Point 1 output |
| Max. output current |
0 |
| Net weight |
1800g |
| Number of conduit inlets |
2 |
| Number of connections |
2count |
| Number of Inputs |
4 |
| Number of string inputs |
4 |
| Number of string inputs per MPP |
= 2 |
| Operating Temperature Range |
-60 to 130°C |
| Product information |
The SCIP number was assigned due to a lead content of more than 0.1 % of the net weight. |
| Protection Class |
II |
| Protection degree |
IP65 |
| Protection level Up (-/PE) |
= 3.8 kV |
| Protection level Up (+/-) |
= 3.8 kV |
| Protection level Up (+/PE) |
= 3.8 kV |
| PV system voltage, max. Ucpv |
1100 V |
| Rated cross-section |
50mm² |
| Rated current |
150A |
| Rated DC current per connection |
Current per string, max. |
| Rated DC voltage |
1100 V |
| Rated short-term current resistance |
Rated current |
| Rated voltage |
1000V |
| REACH SVHC |
Lead 7439-92-1 |
| Requirements class |
Type II |
| ROHS |
Conform |
| RoHS Compliance Status |
Compliant |
| SCIP |
bdab5698-6a20-4370-8e28-8810d882d01a |
| Short-circuit curent ISCPV |
11000 A |
| Standards |
EN 61643-31 |
| Standby power consumption PC |
<0.2 W |
| Stud Size |
M 8thread |
| Suitable For |
Photovoltaic |
| Surge protection auxiliary contact |
Cable entry |
| Switch disconnector execution |
no switch |
| Tightening torque |
6.0...12.0Nm |
| Time interval |
5 years |
| Total discharge current Itotal ( 8/20µs) 50 kA |
Discharge current In (8/20 µs) |
| Type of accessory/spare part |
Other |
| Type of connection |
PUSH IN |
| Type of inlet |
Gland nut |
| Type of mounting |
4 screws, Wall mounting |
| Version |
Photovoltaics, Combiner Box, PV Next, 1100 V, 2 |
| Voltage type |
DC |
| Weight |
2.09 |
| Width |
200 |
| Width (inches) |
7.874 inch |
| Wire connection |
Type of connection |
| Working temperature |
-40 - 50 |
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