The difference between PC class Automatic Transfer Switch and CB class Automatic Transfer Switch

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The difference between PC class Automatic Transfer Switch and CB class Automatic Transfer Switch
05 04 , 2023
Category:Application

An Automatic Transfer Switch (ATS) is a useful device used in power systems to automatically transfer power from one source to another during a power outage. It is a critical component in any backup power system as it ensures seamless and uninterrupted power supply. PC grade ATS and CB grade ATS are two different types of automatic transfer switches. In this article, we will discuss the difference between PC class ATS and CB class ATS.

First, the PC-grade ATS is designed for critical power applications such as data centers and hospitals. The PC class ATS is specifically designed to switch between two power sources in synchronization. It ensures a smooth transition from one power source to another without any voltage dips. On the other hand, Class CB ATS are designed to switch between two sources of different frequencies. Class CB ATSs are typically used in applications where generators are used to provide backup power.

Second, PC-level ATSs are more expensive than CB-level ATSs. the reason is simple. PC-level ATS has more advanced features than CB-level ATS. For example, PC-level ATS has a more complete monitoring system than CB-level ATS. It monitors the voltage and frequency of the two power supplies and can synchronize them before switching from one to the other. Additionally, PC class ATSs have a built-in bypass mechanism to ensure power to critical loads in the event of ATS failure.

Third, PC-grade ATSs are more reliable than CB-grade ATSs. This is because the PC class ATS has a better control system than the CB class ATS. The control system ensures that the switching process is seamless and that critical loads are always powered. In addition, PC type ATS has a better fault tolerance system than CB type ATS. It detects faults in the power system and isolates them before they affect critical loads.

Fourth, the capacity of PC-level ATS is higher than that of CB-level ATS. A PC grade ATS can handle higher loads than a CB grade ATS. This is because PC-grade ATSs are designed for critical power applications that require high-capacity ATSs. The CB-class ATS is designed for applications that do not require a high-capacity ATS.

Fifth, the installation and maintenance of PC-level ATS is more complicated than that of CB-level ATS. This is because PC-level ATSs have more advanced features and require more technical expertise to install and maintain. In addition, PC-grade ATSs have more electronic components than CB-grade ATSs and are therefore more complex. On the other hand, Class CB ATS is simple and easy to install and maintain.

In conclusion, both PC grade ATS and CB grade ATS are essential equipment in any backup power system. They all serve the same purpose, which is to ensure uninterrupted power supply to critical loads. However, the differences lie in their design, capacity, reliability, cost, and complexity of installation and maintenance. Selecting the correct ATS for the correct application is critical to ensure the effectiveness of the backup power system.

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