ZONIT
ZONIT uATS1-LV-YC13-515-4
The Zonit Micro Automatic Transfer Switch (uATS) is the world’s smallest ATS and solves the problem of supplying A+B redundant power to single power supply devices. The Micro uATS draws power from A and monitors power quality. The uATS will automatically switch to secondary B power when A fails or becomes degraded in quality. The µATS will switch back to A when it returns and is of sufficient quality. The Micro uATS will transfer regardless of phase angle between A and B.
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ZONIT uATS LV Data Sheet (PDF)
ZONIT uATS LV Manual (PDF)
ZONIT uATS Advantages (PDF)
The µATS allows single power supply devices in the data center to be connected to redundant A-B power sources. This eliminates one of the primary causes of downtime, human error. Much downtime is caused by people plugging in one too many devices to a branch circuit, causing its circuit breaker to trip.
The Zonit µATS is very useful to increase the service level availabilty of common single-power devices such as network distribution switches, firewalls, and other equipment that may be in a mission-critical service path, sometimes unknowingly.
The µATS enables much easier maintenance of redundant power systems, since one source can be taken off-line if all single power supply devices are fed via µATS units.
Distribution closets with single power supply network switches especially benefit from the Zonit µATS, because it enables a UPS unit in that closet to be taken off-line for battery testing and maintenance during regular business hours without network service downtime.
Re-Location Flexibilityallows easy "hot moves" (hot pluggable) to relocate powered-up equipment within the rack or between racks Ideal for doing deployments that are temporary or will be moved at a later date
99.9% Efficient Power Distribution
The Zonit Micro ATS (µATS) enables 99%+ efficient power distribution methods in the data center. It allows data center devices to be preferentially connected to filtered utility power on the A side and an Uninterruptible Power Supply (UPS) on the B side, which is only used when A is down. Eliminating UPS power conversion losses saves 3-15% of data center power usage compared to redundant UPS designs, which can save millions of dollars in energy costs. The µATS is 99.75% efficient, using only 125mA in normal operation. This maximizes data center Power Utilization Efficiency (PUE).

Modern computer power supplies are almost all auto-ranging (accept 110-240V input) and all switched (Draw on the Alternating Current [AC] input power for just a short period of time and then convert this energy to Direct Current [DC], then repeat). Power supplies of this type are more resistant to power quality problems, because they only need to “drink one gulp at a time, not continuously. If the input AC power voltage range is controlled within a known range, they will function very reliably. They do not require perfect input AC waveforms to work well. All that is necessary is that they receive sufficient energy in each “gulp and that the input power is within the limits of their voltage range tolerance. This makes it possible to use a data center power distribution system that is much more efficient than a fully UPS supplied power system at a very reasonable capital expense.
| Physical | |
| Length | 0.75 in. (19 mm.) |
| Width | 1.6 in. (40.9 mm.) |
| Depth | 4.25 in. (109 mm.) |
| Weight | 0.9 lbs. (0.4 kg.) |
| Electrical | |
| Rated Input Voltage | 120V, 50/60 Hz |
| Rated Maximum Amperage | 12A |
| Power Input | (2) NEMA 5-15, 4ft Cords |
| Power Output | (1) C13, 1ft Cord |
| Internal Overload Protection | Virtual Circuit Breaker set at rated amperage with reset switch |
| Transfer Time | A-B: 12-14ms B-A: 6-8ms |
| Max. Power Consumption | @ 120V on A: 5 ma @ 120V on B: 13 ma |
| Environmental | |
| Elevation – Operating | 0 to 10,000 ft (0 to 3000m) |
| Elevation – Storage | 0 to 50,000 ft (0 to 15000m) |
| Temperature – Operating | 23 to 104°F (-5 to 40°C) |
| Temperature – Storage | -13 to 149°F (-25 to 65°C) |
| Operating Humidity | 0 to 95% Non-condensing |
| Approvals | UL/cUL File E340237, CE |
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