PS UNI PPM ATT PS-UNI for PPM ATT mobilkran

Hey!
Some of the owners of older types of PPM truck cranes are familiar with this issue. A fault caused by a defective relay board fitted with either RHN 412 or RHK 412 relays. The problem might lie solely in the relay, but the printed circuit board or the relay socket could also be damaged. This fault is encountered by owners of PPM truck cranes manufactured in different periods and of various types
Every mechanic who discovers a fault in the given circuit knows that the RHN and RHK relays have not been produced since 2022, and global supplies are low. Moreover, the market is driving up prices. Buying a baseboard is also neither easy nor cheap, and the cost is quite high. Today, there are many cranes around us facing this problem. After extensive research, we have found a solution that is quick, high-quality, and reasonably priced.The PS-UNI relay board is our solution, and we have already used it on many truck cranes of various categories. It has helped us solve problems with the old design, and its use is straightforward. Anyone can see that this solution is easy.

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