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⚡ Crimp like a pro, connect like a boss!
The iCrimp SN-2546B-SY is a high-precision crimping tool engineered for solar panel PV cables from 2.5 to 6mm². Featuring wire EDM machined jaws and a secure self-releasing ratchet mechanism, it delivers consistent, professional-grade crimps with ergonomic handles designed for comfort and control. Ideal for solar and electrical professionals seeking reliable, repeatable performance in a lightweight, durable tool.





| ASIN | B074PL62SK |
| Best Sellers Rank | 261,099 in DIY & Tools ( See Top 100 in DIY & Tools ) 635 in Crimpers |
| Brand | IWISS |
| Colour | Black |
| Country of Origin | China |
| Customer Reviews | 4.6 out of 5 stars 165 Reviews |
| Grip Type | Ergonomic |
| Grip type | Ergonomic |
| Handle Material | TPR+PP |
| Handle Type | Ergonomic |
| Handle material | TPR+PP |
| Included Components | Crimper |
| Item Type Name | Crimper SN-2546 |
| Item Weight | 0.36 Kilograms |
| Item weight | 0.36 Kilograms |
| Manufacturer | Iwiss Electric Co., Ltd |
| Model Number | IWS4 |
| Part Number | SN-2546B |
| Set Name | IWS4 |
| Size | 2.5-6mm² |
| UPC | 600685977354 |
| Unit Count | 1.0 count |
| Usage | Solar systems, photovoltaics |
K**G
Brilliant tool
I’ve tried a few different cheapish ones and this has by far been the best so far, accurate and strong crimp on mc4. There’s a YouTube video made by Staubli that describes the process perfectly for a good crimp everytime
S**N
If you need one, buy this one
A well made tool for crimping solar mc4 connectors. It was a pleasure to use and see the professional result on 6 mm cable. I have only used it about 20 times but I expect it to last as the build quality is good.
N**E
Fantastic Crimping Pilers!
Work perfectly on TE Connectivity Open Splice Barrel Crimps! Extremely well priced.
R**N
very good
very good
J**E
It works.
Bit stiff but functional, reasonably well put together.
A**R
Amazing quality
These are a quality pair of mc4 crimpers I've been installing solar for ten years and have much experience with making these connections off and i have to say I've never found a crimped i liked up until know these are amazingly good.
A**S
Works well, ratchet mechanism good and crimps correctly.
Does whit it says, ratchet mechanism works well, crimped cables as it should do.
P**2
AAA+
AAA+
J**G
Gute Crimpqualität
Einwandfreie Quetschung beim crimpen
S**L
Better Quality for only a little more.
This is a nice crimper. You can tell by the machining on the jaws is smooth and seem wider than some. I just used it on several MC4 crimps on 10 guage solar cables and worked great. Glad I spent a couple more dollars on these.
R**E
Molto utile e pratica
Ho sistemato un paio di cavi quindi i si è già ripagata.
A**L
Beschreibung passt nicht
Crimpen von Kabeln > 1mm² ist praktisch nicht möglich. Die Verbindungen halten nicht. Extremer Kraft-Aufwand zum Crimpen ist nötig. Nicht wirklich verwendbar.
D**E
Great crimps on MC4 Solar Connectors
I'm very happy with this ratcheting crimp tool! It makes VERY tight connections between the cables and the connectors. In the past, I've usually soldered these connectors on, but this thing crimps so tight, I don't really feel the need for that, except perhaps for some hard to get to MC4 connections up on the roof which might get some pretty rough wind and weather treatment on top of our RV. I may still solder those after crimping...but that may be over-kill.
Trustpilot
3 weeks ago
3 weeks ago