63A Automatic Transfer Switch (ATS) – Uninterrupted power, no matter what happens to the grid
A power cut can be more than just an inconvenience. When the lights go out, your fridge stops, your server drops, and your alarm system goes silent. If you have a backup generator or a solar PV system but lack an automatic transfer switch, your investment remains dormant when you need it most. This 63A ATS switches your power supply in under 50 milliseconds—faster than the blink of an eye.
Note: The ATS automatically switches the power source but does not trigger the generator to start. Please ensure your generator has an auto-start function or is already running before the switchover occurs.
Why choose this model? (Key Advantages):
- Under 50ms switching time — A near-instantaneous transition that prevents disruption to sensitive equipment like NAS drives, central heating boilers, and medical devices.
- Three-source compatibility — Works seamlessly with 230V mains, diesel/petrol generators, and off-grid or hybrid solar inverters with AC output.
- Automatic voltage protection — Continuous monitoring intervenes if the voltage deviates outside the 85–110% nominal range, protecting your appliances before damage occurs.
- Auto and Manual modes — Use AUTO for unattended operation or MAN for maintenance and testing, all while maintaining active protection.
- DIN-rail mounting — Compact, 30-minute installation design that fits into any standard consumer unit or electrical distribution board without modifications.
- Ideal for remote locations — Perfect for holiday homes, warehouses, solar farms, and industrial sites where constant monitoring isn’t possible; it switches and resets automatically.
Performance and Technical Details
The internal electronic logic of this 63A ATS constantly monitors the voltage of your primary source. As soon as it detects a drop below 85% of 230V or a total power failure, the transfer relay engages the secondary source in less than 50 milliseconds. When the mains power returns and stabilizes, the unit automatically switches back without requiring any manual intervention.
With a 63A nominal current rating, this switch is capable of handling the load of a full residential property, a busy office, or small industrial installations. It is compatible with both 50 Hz and 60 Hz frequencies, making it suitable for use across various international power standards.
| Parameter | Value / Detail |
|---|---|
| Nominal Voltage | 230V AC |
| Frequency | 50 – 60 Hz |
| Nominal Current | 63A |
| Switching Time | < 50 ms |
| Stable Operating Range | 85% – 110% of nominal voltage |
| Integrated Protection | Under-voltage, over-voltage |
| Compatible Sources | Mains grid, generator, solar PV system |
| Operating Mode | Automatic / Manual |
| Mounting Type | DIN-rail (distribution board) |
| Typical Applications | Residential, commercial, industrial, medical, IT |
Installation and Usage Guide
- Mount the device onto the DIN-rail within your distribution board, ensuring compliance with local electrical safety regulations.
- Connect the primary source (230V mains) to the L1 input of the ATS, following the technical wiring diagram.
- Connect the secondary source (generator or solar inverter output) to the L2 input.
- Connect the load (the circuits you wish to power) to the ATS output.
- Select the operating mode: set to AUTO for automatic switching or MAN for manual control.
- Verify the operating voltage and ensure the secondary source is active and ready before testing.
- Test the system by simulating a power failure on the primary source to confirm the automatic switchover to the backup supply.
Package Contents
- 1x 63A 230V Automatic Transfer Switch (ATS)
Frequently Asked Questions
Does the ATS automatically start the generator during a power cut?
No. The device manages the power source switching but does not have a generator ignition function. Your generator must either be running or equipped with its own independent auto-start system.
Can I use an off-grid solar inverter as a secondary source?
Yes. Any source providing 230V AC at 50–60 Hz will function as a secondary source, including off-grid or hybrid solar inverters with an AC output.
Is a qualified electrician required for installation?
Yes. Installation within an electrical distribution board must be performed by a qualified electrician in accordance with local electrical safety standards and building regulations.
Will my electronics be affected by the switching time?
In most cases, no. The <50ms switching time is generally transparent for computers, central heating boilers, and household appliances. For critical production servers or ultra-sensitive equipment, we recommend pairing the device with a UPS.
Can I switch manually between sources without disabling protections?
Yes. Manual mode allows the operator to select the active source—useful for maintenance or testing—while the voltage monitoring and protection features remain fully active.
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