Renogy MC4 Y Branch Connectors Solar MC4 Connectors Y connector Solar panel mounts in Pair MMF+FFM
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- Compatible with MC4 connectors Also known as MC4 T connectors
- CE and TUV certified Hard plastic;Protection Class: Class II Temperature Range: -40C~+90 C
- One FFM; one MMF Withstanding voltage: 1000V DC(TUV), 600V(UL)
- Contact Material: Copper, silver plated Flame Class: UL94-V0 or UL94-5VA
- Protection Degree: IP67, mated Unmating Force: 200 Newton Insulation Material: PC/PA
This item is available because of the Add-on program
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From the manufacturer
- Hard plastic
- One FFM and one MMF
Renogy MC4 Branch connectors are solely compatible with MC4 connectors and come with one male (MMF) and one female (FFM) connector. Use these Connectors to make tight, waterproof connections.
- Withstanding voltage: 1000V DC(TUV), 600V(UL)
- Contact Resistance: 1m
- Protection Class: Class II
- Temperature: -40°F to +194°F
- Unmating Force:147.51Ft·lb
- Insulation Material: PC/PA
- Contact Material: Copper, silver plated
- Flame Class: UL94-V0 or UL94-5VA
Renogy MC4 Branch Connectors are used for parallel wiring solar panels (PV modules). Sold as a pair, these 'Y-Connectors' will maintain the voltage of the solar panel configuration to match the battery size.
Renogy MC4 Branch Connectors are used for parallel wiring solar panels (PV modules). Sold as a pair, these "Y-Connectors" will maintain the voltage of the solar panel configuration to match the battery size. These connectors are solely compatible with MC4 connectors and come with one male (MMF) and one female (FFM) connector. Use these MC4 Branch Connectors to make tight, waterproof connections.
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The branch connectors were hard to get on. I had to find someone with stronger hands. Once they clicked, I knew they were in far enough.
"RENOGY MC4 Y Branch Connectors Solar Connectors Extra Long Cable MFFFF + FMMMM Pair "
This bundle makes hooking up 4 panels in parallel very easy. Unlike some of the other reviewers I didn't find the cable lengths to be too short, I thought they were just right. You may find that hooking up panels in series is a better fit for you, if that is the case you may not want this product. But it was the perfect solution for me.
UPDATE: I ordered some dielectric grease and that did the trick! No issues now.
This reduces yield of shaded but the increased voltage provides for more hours of charging. On a camper it works for me. I have unlimited power and run an electric blanket off a sine wave inverter--very cozy.
I use a small amount of dielectric grease to fill any voids in these connectors and junctions.
Since I added pair of panels it was very easy for me to do this as I just un-clipped cables and added another junction pair. After pulling the main cable inside, the roof wiring was incredibly easy with these.
Be sure to mark the + side with red tape and it will work out very easy for you.
I used Renogy panels, wire, terminations and junctions. I'm confident these will out last me, and keep my batteries fresh and extend their live span. I will probably change my batteries long before they fail. I'm planning to switch to Lithium Batteries to save weight.
Finally, I'd consider using these types of connector for other high current DC wiring.