- Reasonable price. High reliabillty. Replace tradition controller, which should be need to hole to assemble.
- Single display design and keyboard operation directly.
- Down lift transparent cover design, Avoid mistaking touch & operation.
- Plugin out terminal design is easy connection.
- External control box with double display has 7 segments displayitself and can show PV value.
- New Led module design with 4 big digit display of PV&SV in control box is touched smoothly and can be plug in out and operate easily.
- The controller can be independently operated when the extemal control box is plug out from the controller After Parameter setting to prevent the man-made operating mistake
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