Product Description
A Low Voltage Automatic Transfer Switch is basically a smart power switching device built to keep things running by automatically moving connected loads between your main and backup power sources. When the normal source fails, whether that is the utility, a generator,or a backup grid, the ATS shifts the load over to the available alternate source on its own, but only once the voltage and frequency settle back into the acceptable range.
Technical Parameters
|
Item |
Unit |
Data |
|
Rated Voltage |
kV |
0.4 |
|
Rated Frequency |
Hz |
50/60 |
|
Rated Insulation Voltage |
v |
690 |
|
Rated Impulse Withstand Voltage |
kv |
8 |
|
Rated Current |
A |
16,32,63,100,160,250,400,630,800,1000,1250,1600,2000,2500,3200 |
|
Rated Short-time Withstand Current(1s) |
kA |
10,15,20,25,35,50,65,80 |
|
Rated Short-circuit Making Current(peak) |
kA |
17,25.5,34,47,59.5,85,110,140 |
|
Rated Voltage of Auxiliary Control Circuit |
v |
DC or AC 110/220 |
|
Protection Level |
IP30(standard),IP40(optional) |
|
|
Weight |
kg |
30-200(depending on configuration) |
Advantages
All switching mechanisms provide visible positive break indication,confirming the switch position with dual mechanical indicators for increased safety.
The power supply of many ATS devices is only active during transfer,with switches based on stable mechanical positions that maintain constant contact pressure without requiring power to sustain position.
Designed for high-speed operation,the ATS minimizes the transition time between power sources,reducing operational disruption risks and protecting sensitive electronic equipment from the effects of even brief power interruptions
Applications
- Healthcare facilities
- Data centers and IT facilities
- Industrial and manufacturing plants
- Commercial buildings
Frequently Asked Questions
Q1: What is the difference between automatic and non-automatic transfer switches?
A: Automatic transfer switches use a self acting microprocessor controller that keeps an eye on your power sources and kicks in the transfer on its own when the main source fails,no operator needed.Non-automatic,or manual,transfer switches need someone to initiate the switch,either locally or remotely,though the actual switching mechanism itself might still be electrically assisted.
Q2: What are the standard transition types and when should each be used?
A: Open transition,which is break before make,is the most common and cost effective option.It works well for loads that can handle a brief outage.Closed transition,make before break,lets the sources momentarily run in parallel so there is zero power interruption,which makes it a good fit for sensitive electronic gear.
Q3: What is a bypass-isolation ATS and why is it used?
A: A bypass-isolation automatic transfer switch gives you dual switching functionality with a redundant bypass path.That means you can isolate the primary ATS and work on it without interrupting power to the load.These are essential in places like healthcare facilities and data centers where even a momentary outage during maintenance is not an option,and they are often required by codes like NFPA 110 for emergency systems.
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