Bring source switching and protection into one organized enclosure

A planned backup-power system starts with a clear connection between your supplies and your loads. This 63A automatic transfer box brings dual-source switching, circuit breakers, surge-protection components and a digital voltage-protection module together in a wall-mounted enclosure for compatible 220V AC installations.

Key Benefits

• Dual-source transfer arrangement — Manage a compatible mains supply and alternate AC source through a dedicated switching assembly.
• Integrated protection components — Keep the pictured circuit breakers, surge-protection devices and voltage-protection module grouped inside one enclosure.
• Transparent front window — View the internal displays and device positions without removing the front cover.
• Sealed enclosure design — The specified IP65 enclosure includes a perimeter seal and cable glands for a properly assembled installation.
• Wall-mount format — Give the equipment a defined location with multiple bottom cable entries for organized routing.

For a compatible mains-and-backup project, the value is a more consolidated installation: switching and protection equipment housed together rather than spread across separate boxes. The connection diagram shows a mains input, load output and alternate generator or inverter-based AC supply, with a dedicated grounding connection.

Frequently Asked Questions

What does this automatic transfer box do?

It is designed to switch a compatible load between two AC sources as part of a correctly designed electrical system. It does not generate or store electricity.

What voltage and current are specified?

The listing specifies a 220V rated supply and 63A rated current. The separate insulation and surge-device voltage figures in the specifications are component ratings, not alternative supply-voltage selections.

Does it connect directly to solar panels?

No direct connection of raw panel DC is described for this AC transfer assembly. Solar use requires a compatible inverter AC output and a system design checked by a qualified installer.

Will it provide uninterrupted power?

No zero-interruption or UPS capability is established. Transfer behavior depends on the equipment, available alternate source and completed system.

What is included and who should install it?

One enclosed transfer-box assembly. A battery, generator, solar panels and inverter are not listed as included. Have a qualified electrical installer verify source compatibility, load limits, protection settings, grounding and wiring before use. Isolate both sources before servicing.

SPECIFICATIONS

Ambient Temperature: -25℃~+55℃

Brand Name: DIY GO

Certification: CE,RoHS

Does it include a Battery?: No

Does it include wireless functionality?: No

EU LVD Voltage: High voltage: Above 50Vac or 75Vdc

High-concerned chemical: none

Impact Resistance Level: IK10

Insulation Voltage: AC 400V

Is Smart Device: no

Maximum Discharge Current: 20/40KA

Maximum Working Voltage: AC 385V

Model Number: AC-HS12-ATS

Origin: Mainland China

Rated Current: 63A

Rated Voltage: 220V

Type: Mini,Circuit breaker

Waterproof Grade: IP65

is_customized: Yes

Packaged weight: 5.07 lbs (2.3 kg), as stated in the packaging diagram.