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LEADER® parallel connector is Compatible with multi contact 4 connector,suitable to solar cable
2.5 mm2,4mm2 and 6mm2 in solar connection project.connecting solar panels in series or parallel.
quickly and reliable connection of the solar cables to the photovoltaic system(solar panels, converters).
| Product NO. | SY-BY31-A/B |
| Rated Voltage | TUV 1000 DC |
| Insulation material | PPO |
| Rated Current | 20A-40A |
| Test voltage | 6KV(50Hz,1Min) |
| Contact Material | Copper ,Tin Plated |
| Contact Resistance | <=5mΩ |
| Degree of protection | IP67 |
| Pin dimension | 4.0mm |
| Compatible Solar cable | 2.5/4.0 /6.0 mm² (14/12/10 AWG) |





First of all,we need to die casting pins.Then,inject plastic into it.Next,use machine to assembly positioning shrapnel.Fourth,auto assembly O-ring and connector.After assembly,it’s the processes of testing.Firstly,test its resistance.Secondly,test its pull. Thirdly,test its water proof.What’s more,test its wet insulation.At last,plastic closures and package.
Shipping:
1 When you place an order ,please choose method and pay for the order ,we will deliver goods as soon as possible .
2. Goods will be shipped within 3-5 business days after we verify your payment.
3. We will ship the goods based on your order form address, so make sure it is correct.
4. If we offer free shipping( China Post air mail), it takes 15-30 business days for arrival normally. Sometimes it would be longer because of like the bad weather,But don't worried that We will track the goods until you recevie .
5. You are responsible for any tax and duty charged in your country. And the goods will be Marked as "gift" or "sample" for your easy customs clearance and less charge.
Thanks! I wish you a happy shopping.
We will give you the best service
1 Reply inquiry within 24 hours
2 Answer your detail information immedately .
3 Freight farwarder faster ,safe and convenient
4 Please feel free to contact me if you are intersted some products ,we will keep work closely with you .

Leader Technology Co.,LTD, Cable Assembly Manufacturer, a new energy enterprise, located in SHENZHEN, China, specializing in R&D, manufacturing and marketing solar connectors, Waterproof cable connector, PV junction boxes, solar cable and PV assembles etc., with an integrated utilization from solar modules, solar energy appliance to on/off-grid solar power generation systems, and by the products R&D, mold design, production, sales through-train service. With advanced technology, our products have been authorized by TUV Rhineland, CE successfully.

LEADER Company adheres to self-R&D, strict detection standards and perfect detection system, modernization management approaches and excellent talent teams, hold the belief of “survive for excellence, development for innovation”, insist on being professional, large-scale brand.

Provide customers with effective solutions timely based on market demands.
Achieve zero defect product quality by overall participation and all-out effort in cooperation with each other.

Improve market competition by constant innovation and new technology.



Q: Is the sample available and free ?
A :Sample is available but not free we will provide the favorable price ,And the cost will be refund after further order received.
Q: Do you accept customized order or drop ship?
A: Yes we do.
Q: What's the delivery time ?
A : 5 days after confirming payment , but some times according the order quantity .
Q: How can I contact you ?
A : Contact person : Matte Mao
Q: Do you have overseas warehouse can ship the goods?
A : Yes we now have overseas warehouse in Germany which can ship the goods to European fast.
For more information and wholesale,please contact as below:
WhatsApp: +86-135-2797-0602
Email:sales3(at)leadergroup-cn.com
Skype:sales3(at)leadergroup-cn.com
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