Product Identification
Product Name2 to 1 MC4 Compatible Solar Branch Connector 1000V
BrandTreasol
Model2 to 1 Branch Connector 1000V
CategorySolar Branch connector
Solar Branch connector · Model 2 to 1 Branch Connector 1000V
2 to 1 MC4 Compatible Solar Branch Connector 1000V
Last updated: November 2026
Where two strings already run side by side, this 2F/M connector merges them at the end of the module row. The 58.8 mm body is the shortest in the 1000 V range, and the 45 A output leaves more headroom than any other model here: two strings would have to draw 22.5 A each.
1000 V DC
45 A
IP67
<0.5 mΩ
-40 °C to +85 °C
BrandTreasol
Model2 to 1 Branch Connector 1000V
Product TypeSolar Branch connector
- Minimum order quantity
- 1 piece
- Unit price range
- USD 2.00–3.00 per piece, depending on model and order quantity. Final pricing is quoted per order.
2 to 1 MC4 Compatible Solar Branch Connector 1000V at a glance
What is the 2 to 1 MC4 Compatible Solar Branch Connector 1000V?
Where two strings already run side by side, this 2F/M connector merges them at the end of the module row. The 58.8 mm body is the shortest in the 1000 V range, and the 45 A output leaves more headroom than any other model here: two strings would have to draw 22.5 A each.
Voltage1000 V DC
Current45 A
ProtectionIP67
Product Overview
About the 2 to 1 MC4 Compatible Solar Branch Connector 1000V
Treasol 2 to 1 MC4-compatible branch connector merges two 1000 V DC strings into one output. 45 A gives 22.5 A per string, IP67 sealed, in a 58.8 mm body that fits between module rows.
Key Features
Two inputs merged into one moulded body, instead of a field-made joint.
1000 V DC rated under TÜV and UL.
45 A combined output: 22.5 A per string before the ceiling.
Contact resistance below 0.5 mΩ keeps joint losses and heat low.
PPE housing, UL 94 V-0, Safety Class II: no DC-side earth needed.
IP67 to IEC 60529 IPX7: 30 minutes at 1 m, not continuous immersion.
Rated -40 °C to +85 °C ambient.
58.8 mm body, 22 mm branch pitch; MC4-compatible to IEC 62852.
The 2 to 1 is the model for the last stretch of a row: two strings already lie together, and only the final section needs merging before one cable runs back to the combiner. At 58.8 mm long with a 22 mm branch pitch it fits between module rows where a 96.4 mm four- or five-way body will not sit.
The 45 A applies to the combined output, not to each input, which is why two-string groups sit well inside it: each string could draw 22.5 A before the ceiling is reached, roughly twice a typical string current. Electrical ratings are 1000 V DC under TÜV and UL, an 8 kV test voltage and contact resistance below 0.5 mΩ. The PPE housing is UL 94 V-0 and Safety Class II, so no protective earth is needed on the DC side. Sealing is IP67 — in IEC 60529 terms IPX7, 30 minutes at 1 m depth, not the continuous immersion of an IP68 part. The interface is MC4-compatible; check the counterpart against IEC 62852 (2014 + AMD1:2020) before mating.
Technical Specifications
2 to 1 MC4 Compatible Solar Branch Connector 1000V technical data
Electrical, mechanical, material and environmental specifications for product selection and engineering review.
Rated Voltage1000 V DCPhotovoltaic DC system
Rated Current45 AMaximum rated current
ProtectionIP67Outdoor protection rating
Temperature-40 °C to +85 °COperating range
| Parameter | Value |
|---|---|
| Electrical | |
| Rated Current | OUTPUT Max 45 A |
| Rated Voltage | 1000 V (TÜV) 1000 V (UL) |
| Test Voltage | 8 kV (TÜV50HZ, 1 min) |
| Contact Resistance | <0.5 mΩ |
| Safety Class | II |
| Materials & Cable | |
| Insulation Material | PPE |
| Environmental | |
| Degree Of Protection | IP 67 |
| Ambient Temperature Range | -40 °C~ +85 °C |
| Flame Class | UL 94 V-0 |
Compatibility
MC4-compatible PV connection design
2 to 1 MC4 Compatible Solar Branch Connector 1000V uses an MC4-compatible mating interface. Final compatibility depends on the counterpart connector; check its datasheet and the applicable connector standard before installation.
Connector compatibility
Model: 2 to 1 Branch Connector 1000V
Product Type: Solar Branch connector
Compatibility Type: MC4-compatible solar cable connector
For safety and certification compliance, connectors from the same manufacturer and approved connector combinations should be used within the same PV connection system. Mixing connectors from different manufacturers should only be considered when compatibility has been verified and permitted by the applicable certification requirements.
Applications
Photovoltaic application scenarios
2 to 1 MC4 Compatible Solar Branch Connector 1000V is suitable for residential, commercial, utility-scale and compatible solar energy storage connection applications.
Residential Solar PV
Reliable cable connections for rooftop solar systems and residential photovoltaic installations.
Commercial & Industrial PV
Suitable for commercial rooftop systems and larger distributed PV installations requiring high-current connections.
Utility-Scale Solar Power Plants
Designed for high-voltage PV systems and large-scale solar installations where reliable outdoor connections are essential.
Solar Energy Storage
Can be used in compatible solar energy and energy storage connection applications according to system requirements.
FAQ
2 to 1 MC4 Compatible Solar Branch Connector 1000V frequently asked questions
Technical answers for product selection, cable matching and PV connection design.
What is a 2 to 1 solar branch connector?
It merges two PV strings into one output at a single point, so one cable instead of two runs back to the combiner. At 58.8 mm it is the shortest body in the Treasol 1000 V branch range.
What is the rated voltage?
1000 V DC, under both TÜV and UL ratings. It belongs to the 1000 V branch connector range; the Series-2 models are a separate 1500 V range.
How many strings can the 45 A output carry?
The 45 A limits the sum of the input currents. With two inputs each string could draw 22.5 A before the limit is reached, about twice a typical string current, so this model is not current-limited in normal use.
Is it MC4 compatible?
The mating interface is MC4-compatible. Compatibility belongs to the pair, so check the counterpart against IEC 62852 (2014 + AMD1:2020) and its own datasheet, dimensions and ratings included, before assembly.
What does IP67 mean here?
IEC 60529 IPX7 is 30 minutes of immersion at 1 m depth under the stated test conditions. That is a different grade from IP68, which covers continuous immersion under conditions the manufacturer specifies — worth checking if the joint sits in a pit or a low point that holds water.
What is the housing material?
PPE, rated UL 94 V-0 and Safety Class II. PPE takes up little moisture, so the moulded body holds its dimensions and dielectric strength in humid outdoor service.
What is the operating temperature range?
-40 °C to +85 °C ambient.
Why not just use a Y-branch joint?
A Y-joint is two cables spliced together; this is a moulded body with a defined IP rating and a 45 A current path. Where the joint has to stay sealed and inspectable, the moulded part is the more predictable choice.
What does 2F/M mean?
2F/M is the model code for a 2 to 1 branch configuration; F/M describes the gender arrangement. Confirm the mating layout on the drawing or with Treasol before ordering.
When should a 1500 V connector be used instead?
At the same power a 1000 V circuit carries about 1.5 times the current of a 1500 V one, so the 45 A ceiling is reached sooner. If the array runs at 1500 V DC, the Series-2 branch connectors carry 60 A.
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Technical Guides
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Background reading on selection, installation and quality control for this product category.
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