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General:
Series dual power automatic transfer switches are newly developed muniature househould power transfer switches.This switch is mainly used to test whether the normal or standby power supply is normal.When the narmal power supply is abnormal,the backup power supply will work immediately to ensure the continuity,reliability and safety of the power supply.This product is specially designed for home track TV installation and is specially used for Pz 30 distribution box.
Application:
Residence,and in various occasions where continuous power failure is not allowed.
Jpp
2025-08-17 10:28:32
i use it for solar split inverter 110/220v.two hot one neutral. connect bn to neutral get 110v control line.solar termina a, grid as backup in terminal b.work like a charm
pedro
2025-08-11 10:42:12
Funciona muy bien
Rexuz
2025-06-27 11:37:37
El prudocto es tal como se publica y funciona como debe, el unico problema es que las instrucciones de instalacion no son muy claras, gracias a internet se logro hacer una correcta instalacion lo cual no fue un problema grave, hace un ruido fuerte que asusta al momento del cambio de energia pero por lo demas todo funciona como se espera por el precio economico que se paga.
Jlizardo
2025-06-13 17:00:14
Ese producto si está acto para la venta
Éiver Pantoja
2025-04-23 10:45:58
Es de material de buena calidad. Funciona super bien. Lo recomiendo.
Harold Calderón
2025-04-20 10:17:52
Este producto es de mala calidad, funciono solamente 3 dÃas y dejo de funcionar, no deja hacer la transferencia ni en modo manual. Me demore en ponerlo en funcionamiento y no puedo hacer devolucion o reemplazo porque la tiempo de devolución ya habia terminado.
Customer
2025-04-17 14:30:15
Excelente equipo Práctico y fácil de instalar.
Kindle Customer
2025-03-27 14:19:19
Picture and description relates to 3P switch w/o NEUTRAL terminal. However, the User's Manual provided w/ the switch have ZERO correlation w/ the physical device:1. Almost identical informaton is repeated severaltimes, but NON reflects the physical device (3P w/o NEUTRAL); this includes physical dimentions2. There are three Fig. 3 Controller wireing duagrams - each have NO relation to the actual device3. There are three Fig. 2 Internal Wirein diagrams wi/ no relation if such "electricl" diagram is per each of the R, S, T phases (and what about the Neutral), or is it connected to one of themWhat you do if you physical device have only R, S and T but not N?4. What are the "Main power terminal and passive signal.." and one of MANY Fig.1 for - for a control of auxiliary generator automatic start? On the diagrams, the 1st Fig. 1 (page 8) indicates FD terminals are used to start the auxilary supply engine. BUT on my device, closely resambling one from p. 19, those terminals are labeled NC, COM, NO (in diagram on p. 22 "Passive Output" (or A/B respectively) while on the device: NO, COM, NC. Since there is no explenation/diagram of functianality, and the label are reverse and beside COM commonally interpretate as "Common" - like NEUTRAL (which does not exist on the device!), one must wonder what kind of incompetent individual wrote this "User's Manual",There is much more, but I have already wasted lot of time and will stop here.
fernando hdez.
2025-02-11 20:26:54
El producto en si se observa de buena calidad; el instructivoviene generalizado pero fácil de entender; después de instalar mejoramos la reseña
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