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🔌 Power up your space with seamless, smart energy switching!
The Dual Power Automatic Transfer Changeover Switch 63A 2P 220V is a compact, high-capacity device designed for seamless switching between generator, solar, and mains power. Featuring advanced safety protections and long-distance control capabilities, it ensures reliable, noiseless operation ideal for office buildings and smart home energy systems.









| ASIN | B07R599LYP |
| Actuator Type | Push Button |
| Best Sellers Rank | 267,713 in DIY & Tools ( See Top 100 in DIY & Tools ) 518 in Circuit Breakers |
| Brand | YWBL-WH |
| Circuit Type | 2-way |
| Colour | Onecolor |
| Connectivity Protocol | Wi-Fi |
| Connector Type | Clamp |
| Contact Material | Copper, Brass |
| Contact Type | Normally Open |
| Control Method | App |
| Controller Type | Mechanical knob |
| Country Of Origin | China |
| Current Rating | 63 Amps |
| Customer Reviews | 4.3 4.3 out of 5 stars (68) |
| Included Components | inc |
| Item Dimensions | 20 x 10 x 10 centimetres |
| Manufacturer | YWBL-WH |
| Material | Plastic |
| Mounting Type | Panel Mount |
| Number of Items | 1 |
| Number of Positions | 1 |
| Operating Voltage | 220 Volts |
| Operation Mode | Automatic |
| Switch Type | Push Button |
| Terminal | Screw |
| UPC | 753874074829 |
| Unit Count | 1 count |
| Wattage | 13860 watts |
U**S
Great product
Use this to charge my Delta Max from the inverter during peak electricity rate periods, switches back over to mains to charge at cheap rate. Reliable when used with smart switches.
M**R
Seems to work as expected
It's connected to the solar inverters battery emergency power system, seems to be working fine
A**R
Every thing worked great for me
My generator
J**S
Electrically very good....needs thought when installing
Firstly there is an excellent YouTube review of a visually identical device available which covers its internal workings and the slight shortcoming with the ratings of the isolators. I removed the covers over each breaker on mine...they just clip on...and unlike the YouTube review, mine are marked, but as the spec says are 63 Amp but with a break current of only 3000 amps....Most UK breakers are rated to 6000 amps. They are just isolator switches with no overload trip so when installing, the main and auxiliary supplies should be protected with suitably rated MCB's or preferably RCBO devices.... I used 16 amp type B RCBO's on the domestic main and auxiliary mains supplies as mine just runs a small greenhouse heater supply. The main issue to be aware of is that, as supplied, the device may seem to be ready to use but is NOT as there is no way to install without primary insulation being exposed and worse; the terminal screws are accessible with any small metal object so there is a shock risk present. Also no earth terminals for incoming or outgoing cables are provided. To use in the UK and comply with BS7671 you will need to fit the device in a suitable outer enclosure proving appropriate intrusion protection. Ideally this should be IP4X. I solved the install issue by fitting the device in a surplus Eaton Memera metal consumer unit having removed the old main switch and breakers but it is not easy as some careful modifications to the enclosure were needed to get the device to fit. However once done IP protection was achieved and the device installed and works well. The enclosure I used also has an earth bus bar to allow the earth cables to be correctly joined. Functionally I would give it five stars but given it needs to be enclosed and this is not a simple exercise I have given it four stars.
N**E
This item does the job for sure , just fitted today
From electric to solar , just very good 👍 easy to fit , thanks from Noel
G**S
va
G**I
Con molti dubbi sul suo reale funzionamento,ma confortato dalle recensioni positive,di recente ho acquistato questo articolo che risulta in effetti molto versatile ed adattabile a svariate necessità.Il concetto fondamentale è che quando manca la corrente su una delle 2 linee elettriche a cui è collegato,preleva automaticamente energia elettrica dall'altra linea con una piccola interruzione nell'erogazione della corrente (circa 1/2 secondo).Nel mio caso lo gestisco tramite una presa wireless temporizzata che, collegata ad un contattore,permette o no l'arrivo della corrente (220 del contatore enel per intenderci) all'apparecchio,il quale in alternativa utilizza l'energia elettrica prodotta,tramite inverter,dai pannelli fotovoltaici.Essendo inoltre la presa wireless gestita anche direttamente dallo smartphone tramite apposita app,il funzionamento del sistema è controllabile anche a distanza,in caso di necessità.Siccome le 2 uscite dall'apparecchio vengono collegate in parallelo ritengo che sia utile (se non indispensabile) individuare la fase e il neutro delle 2 linee di arrivo all'apparecchio. Piccola nota negativa la mancanza di istruzioni anche se i collegamenti elettrici sono semplici per chi ne capisce almeno un pò di elettricità. Per sicurezza ho comunque utilizzato interruttori magnetotermici e differenziali per eventuali criticità o anomalie dell'apparecchio (che non è omologato !). Mi riservo di aggiornare la recensione dopo un utilizzo più prolungato.
M**X
Bien, funciona perfectamente
C**7
Meine erwartungen sind erfolgreich erfühlt. Noch nicht Funktonbereit aber ich hoffe es funktioniert erfolgreich.
A**O
è quasi 1anno che è installato...funziana bene senza nessun disturbo
Trustpilot
2 weeks ago
1 month ago