What is a UPS System Bypass Switch and What Does it Do?

A UPS bypass switch is a critical piece of equipment that works great when it is paired with an uninterruptible power supply system. You will find that this equipment is useful in the event of UPS maintenance or repair. Unsure about UPS system maintenance or repair and what engineers do and whether you even need it? Head over to HERE for more information.

While a UPS system and battery are essential for power protection, having a bypass switch is equally important for ensuring an uninterrupted power supply. In case of a major fault or when a unit needs to be repaired, the bypass switch maintains power continuity while engineers work on the UPS system. This means you will have no downtime for your critical equipment, ensuring your business operations continue smoothly. At Computer Power Protection, we offer a range of UPS systems with bypass switches to provide you with the most reliable and efficient power protection solutions. Contact us today to discuss your specific requirements and let us help you keep your business running smoothly at all times.

 What is a UPS System Bypass Switch
Bypass Switch

Two Main Types of Bypass Switches.

There are two main types of bypass switches that have purposeful functions. These are the static bypass switch and the external maintenance bypass switch.

  • The static bypass is used as a failsafe for the inverter; if the inverter should fail the load will drop automatically onto the mains input feed which ensures continuous power. This switch is fitted to almost all on-line UPS systems as an added safety measure to ensure power remains continuous.
  • The External Maintenance Bypass Switch - a valuable component in your power protection arsenal. Attached to the outside of your UPS, this switch ensures a continuous flow of power while your UPS is undergoing maintenance or repair. Without it, your network may suffer significant downtime, leading to lost revenue and productivity. Don't let that happen to your business. Choose our External Maintenance Bypass Switch for uninterrupted power continuity and peace of mind.

How do I know if my UPS has a bypass switch?

If your UPS system comes with a static UPS switch it will be labelled clearly on the product description before purchase, it generally comes as standard with an on-line UPS but it’s worth making sure so do get in contact so we can get you the correct information you need.

you'll definitely want to consider adding a little extra flair to your setup with an external maintenance bypass switch. Our team of expert technicians can help you find the perfect switch for your needs and install it for you, ensuring that you can maintain power continuity while your UPS system is being serviced or repaired. Whether you're in the healthcare industry or running a manufacturing facility, we've got the perfect solution to keep things running smoothly

UPS Bypass FAQ

What is a static bypass?

Static Bypass is the line which effectively joins the input supply to the output and continues to support the load without going through the UPS system.

How does a UPS Bypass Switch work?

UPS Static Bypass switches allow the normal UPS normal operation to be circumvented, in cases of an overload or fault situation. A properly designed system should enable this to be performed without loss of power to the load.

What is UPS Bypass Mode?

UPS Bypass mode is when you switch the circuit from going through the UPS to going around or bypassing it. A manual bypass switch is used to remove the UPS system from the circuit for servicing or maintenance or if it is no longer working correctly. An automatic transfer switch functions in the same way as a manual, but will also switch the UPSs load to mains electric automatically if the UPS experiences an internal failure.

What is bypass switch in inverter?

As a static inverter is a more specialised version of a UPS system it works the same way, the Bypass switch allows a static inverter system to be bypassed if there is an issue or maintenance is required.

What is UPS THDi?

Total Harmonic Distortion (THDi) is a measurement of the harmonic distortion and is the ratio of the sum of the power of all harmonic components to the power of the fundamental frequency. THDi is also used to characterise the power quality of electric power systems and the linearity of audio systems.

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