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The AQD3 series of dual voltage switching power supplies are sure to make the most out of any access control equipment, including electrified locks, electric strikes, and magnetic locks. They are low-noise, which helps to avoid misreads with contactless card readers and the disruption of radio frequency devices.
Depending on the model, there are up to eight outputs that are independently controlled. The AQD3 can use any AC power source from 90 to 240 VAC or 43 to 63 Hz, and will provide up to 3 amps at 12 VDC, or 1.5 amps at 24VDC. The power is steady and reliable, with 2.8 Amps at 12 VDC and 1.4 Amps at 24 VDC of continuous output, and the battery reserve charges very quickly. If it detects that the battery gets too low, it will disconnect in order to avoid deep discharge, but will charge faster under a full load. The universal transformer works well with most international power.
The power supply's access control outputs are Class 2 power limited, and customizable with fire trigger in either PTC or fuse/dry contact options, or with the fire relay only. It will support up to two sealed gel AGM or wet lead acid batteries and has an operating temperature that ranges from -4 to 104 degrees Fahrenheit, or -20 to 40 degrees Celsius. The AQD3 are field selectable supervised power supplies with LED indicators and form "C" contacts which allow you to remotely monitor AC failure or low battery.
The AQD3 series has multiple protections against serious situations that will give you and your customers peace of mind. The circuit breaker will reset itself to protect against thermal runaway, over-current and reverse battery faults. The unit will tolerate brownout or overvoltage input between 90 to 240 VAC. The fuse is also protected against surge for both AC input and DC output. Even if the power supply turns out to be faulty, Securitron has a MagnaCare lifetime replacement, no fault warranty.
There are eight different models, all with a maximum output voltage of 36 VA, 33.5 VA of continuous output voltage, and a UL-294 listing. They have an operating frequency of 66KHz. The AQD3 and AQD3-1R both have one output, but the latter also has one fire relay. The AQD3-4F and AQD3-4C both have four outputs, the 4F having a 1A rated fuse and the 4C having a 0.35A PTC fuse. The AQD3-8F, AQD3-8C, AQD3-8C1R and AQD3-8F8R models all have eight outputs. The 8F and 8F8R both have 0.5A fuses, but the latter has eight access control relays. The 8C has a 0.35A PTC fuse, and the 8C1R has a 1.23A PTC fuse, plus one fire relay. The only model that doesn't have UL-603 or ULCS318-96 listing is the 8F8R.
The AQD3 series is compact for a smaller footprint, and comes in a 14" by 9" by 3-1/2" enclosure that weighs 7.65 lbs. The power board is 3.73" by 4.84" by 2", and the mounting is 3.41" by 4.5".
A short but informative video on Securitron’s line of switching power supplies is available below:
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