SECURITRON AQD1 DUAL VOLTAGE 1 AMP SWITCHING POWER SUPPLY
The Securitron AQD1 Series of switching power supplies are dual voltage, UL listed, supervised units. These units are field selectable with an integrated battery charger. They provide 1 Amp at 12VDC or 24VDC continuous, with up to 16 independently controlled power limited outputs.
FEATURES & BENEFITS
- Available with a single relay fire trigger or individually triggered relayed outputs
- All combinations of AQ power supplies and distribution boards are UL listed
- Dual voltage 12 or 24 VDC field selectable continuous output
- Tolerates brownout or overvoltage input ± 15% of nominal voltage
- Circuit breaker protects against overcurrent and reverse battery faults
- Up to 82% efficiency which results in decreased operating costs and lengthens the lifespan of electronics
- Thermal shutdown protection with auto restart
- Integrated battery charging circuit prevents overvoltage on locking devices
SPECIFICATIONS
Electrical
- 12 VDC or 24 VDC field selectable output
- 115 VAC input
- Supports up to two (2) sealed gel, AGM or wet lead acid batteries
- Up to 90% efficiency
- Low voltage ripple design as low as 240 mV p-p
Environmental
- Operating Temperature: -4° to 122° F (-20° to 50° C)
DOWNLOADS & RESOURCES
Manufacturer Resources
Product Specs
- Series:
- AQD Series
- Warranty:
- Lifetime Replacement
- Fire Alarm Relay:
- Yes
- Product Group:
- Electronic Access Controls
- Product Subgroup:
- Controllers, Power Supplies and Transformers
- Subcategory:
- Power Supply
- Commercial/Residential:
- Commercial
- Product Type:
- Power Supplies
- Electronic:
- Yes
- Power:
- 1 Amp
- Current:
- 6A
- Product Model:
- SEC-AQD1
- Product Voltage:
- 12/24VDC
- Product Category:
- Electronic Access Controls
- Department:
- Door Hardware
Securitron AQD1 – Frequently Asked Questions
1) Will the Securitron AQD1 power supply run 12V and 24V locks, or do I have to pick one at order time?
Field selectable, so you set it on site. The AQD1 puts out 1 amp continuous at either 12 VDC or 24 VDC, and you choose the voltage at the board rather than specifying it when ordering. That means one part number covers a building with 12V strikes on some openings and 24V mags on others, though each individual supply runs at one selected voltage for everything it feeds.
2) Is 1 amp enough to power my maglocks and electric strikes?
One amp at the selected voltage is the ceiling, so add up the holding current of everything on the supply before you commit. A single mag or a couple of strikes generally fit; a bank of doors will not. If you need more headroom in the same 12/24 VDC field-selectable format, the Von Duprin PS902 is a 2 amp base supply and the SDC 632 Series is a 2 amp dual-voltage unit, with the SDC 634 Series at 4 amps.
3) What is the difference between the AQD1 board only and the version with an enclosure?
Two ways to buy it: board only, or with an enclosure. Order board only when you are dropping the AQD1 into an existing access control can or a manufacturer cabinet you already have on the wall. Take the enclosure version for a new install where the supply needs its own housing and space for the backup batteries. The board is the same either way.
4) Does the Securitron AQD1 have a fire alarm relay to drop the locks on alarm?
Yes, there is a fire alarm interface. The AQD1 can be had with a single relay fire trigger, or with individually triggered relayed outputs so specific openings release while others stay locked. That is the connection your fire alarm contractor lands on to release mags on an egress path.
5) Can the AQD1 charge standby batteries for access control backup power?
There is an integrated battery charging circuit, and it supports up to two sealed gel, AGM or wet lead acid batteries. The charging circuit is built to prevent overvoltage reaching the locking devices while charging, which is the failure mode that cooks strikes on cheaper battery-backed supplies. Batteries themselves are a separate order.
6) Is the Securitron AQD1 UL listed for access control power?
UL listed, and Securitron states that all combinations of AQ power supplies and distribution boards carry the listing, so pairing the AQD1 with an AQ distribution board does not break it. It is also a supervised unit. For a specifier standardizing across a facility, that combination listing is what keeps the submittal clean.
7) I need power for a delayed egress exit device or motorized latch retraction. Is the AQD1 the right supply?
Probably not. Motorized latch retraction devices draw a heavy inrush at actuation that a 1 amp supply will not carry, and delayed egress hardware usually wants the manufacturer's matched controller. For MLR, the BEST RPSMLR2 Series is built for motorized latch retraction exit devices; for delayed egress, the BEST PS161-6 is a 120V input, 12/24V output supply with 6A capacity. Use the AQD1 for mags, strikes, and electrified trim inside its amp budget.
8) What is a direct substitute for the Securitron AQD1 power supply at 1 amp with 12 or 24 VDC field selectable output?
The SDC 620 Series is a 1 amp regulated and filtered low voltage power supply with dual voltage selection, which matches the AQD1 on both current and the ability to pick 12 or 24 VDC in the field. The Adams Rite PS-1 is also a 1 amp regulated supply at 12/24 volts DC and adds battery backup, which matters if the opening has to hold up through a power loss. The Command Access PS1 Series is 1 amp as well, but it is fixed at 24 VDC, so it only works where the lock is a 24 volt device.
9) What should I use instead of the Securitron AQD1 if 1 amp is not enough for the number of locks on the job?
Step up within the same dual voltage family: the SDC 631 Series is a 1.5 amp regulated and filtered DC power controller with dual voltage selection, the SDC 632 Series is 2 amp, and the SDC 634 Series is 4 amp, all with dual voltage selection like the AQD1's 12/24 VDC. The Von Duprin PS902 base power supply is 2A at 12/24 VDC field selectable for access control. The RCI DKPS-2A gives 12/24VDC at 2A across 8 outputs, which suits a bank of doors fed from one cabinet.
10) Is a plug-in power supply an acceptable substitute for the Securitron AQD1?
The ROFU 9126T is a plug in mini power supply, 12 VDC at 1.5A with time delay. It is a cord-connected unit at a single voltage, so it suits one 12 volt device with a timed release rather than a hardwired supervised installation. The AQD1 is a UL listed supervised unit with an integrated battery charger and a circuit breaker protecting against overcurrent and reverse battery faults, and it carries a fire alarm relay. If the specification calls for standby battery or fire alarm release, a plug-in unit does not cover it.
11) What looks like an alternative to the Securitron AQD1 but will not power an access control opening the same way?
Two items in the same aisle are not substitutes. The ROFU 10305-LA/10306-LA is a power transfer hinge rated 1.5A at 42V, tamper resistant, in a plastic white finish - it carries power through the door edge and generates none. The Command Access CAT Field Tester is a portable 12-24VDC unit that runs on DeWalt, Makita and Milwaukee batteries, built for bench and field testing rather than permanent installation. The AQD1 is a 115 VAC input switching supply with 12 or 24 VDC field selectable continuous output.
12) I need battery backup on the opening - which of these supplies covers that besides the Securitron AQD1?
The AQD1 has an integrated battery charging circuit and supports up to two sealed gel, AGM or wet lead acid batteries. Among the alternatives, the Adams Rite PS-1 is a 1 amp 12/24 volt DC regulated supply with battery backup at the same current rating, and the Command Access PS204/204B is a linear supply with 2A at 24VDC and battery backup if you want more headroom at a single voltage. The Detex 10-800 Series is a universal logic controller with a 120VAC/24VDC power supply and battery backup, which pairs power with control logic in one cabinet.
13) How many doors can I run off one AQD1 power supply?
The board supports up to 16 independently controlled power limited outputs, so the output count is rarely the constraint. The 1 amp total draw is. Divide your amp budget by the holding current per opening and that number, not 16, is your real door count.
14) Will a switching power supply like the AQD1 hold up on dirty building power?
It tolerates brownout or overvoltage input of plus or minus 15 percent of nominal on 115 VAC, so sags on a generator or a loaded panel do not drop the locks. There is also thermal shutdown protection with auto restart, and a circuit breaker covering overcurrent and reverse battery connection. Ripple runs as low as 240 mV peak to peak, which matters when the supply is also feeding card readers or a controller rather than just locks.
15) How does the Securitron AQD1 compare to a linear power supply like the Command Access PS1?
The AQD1 is a switching supply, running up to 82 percent efficiency, which means less waste heat in the can and lower operating cost on a supply that is energized 24/7. A linear unit like the Command Access PS1 Series is a 24 VDC 1 amp output linear design, and the Command Access PS204/204B is a 2A 24VDC linear with battery backup. Linear supplies are still specified where a very clean output is wanted on a single opening; switching wins when you are feeding multiple outputs from one can and care about heat.
16) What is a comparable 1 amp 12/24 volt access control power supply if the AQD1 does not fit my can?
Closest equivalents by output are the Adams Rite PS-1, a regulated 1 amp 12/24 VDC supply with battery backup, and the SDC 620 Series, a 1 amp regulated and filtered low voltage supply with dual voltage selection. If you want a step up in current in a similar dual-voltage format, the RCI DKPS-2A gives 12/24VDC at 2A across 8 outputs, and the SDC 631 Series is 1.5 amp dual voltage.
17) Which power supply do I use if the doors need 24 VDC at high current for a whole access control panel rather than the Securitron AQD1's 1 amp?
The Altronix AL1024ULACMCB is a power supply and access power controller with 115VAC 60Hz input at 4.2A, 24VDC at 10A, and 8 PTC outputs in a grey enclosure. That is a single-voltage 24 VDC unit sized for a full panel, where the AQD1 is a 1 amp dual voltage 12/24 VDC unit. Choose on whether your locks are all 24 volt and how much total current the door count draws.
18) Is a linear power supply a fair swap for the Securitron AQD1 switching supply?
They are built differently. The AQD1 is a switching supply rated up to 82% efficiency with a low voltage ripple design as low as 240 mV p-p and thermal shutdown protection with auto restart. The Command Access PS210 is a UL 6E/CSA linear supply with 1.5A at 24VDC output and boost circuitry, and the Command Access PS1 Series is a 24VDC linear supply with 1 amp output. Linear units run a single voltage here, so the field selectable 12 or 24 VDC of the AQD1 is the deciding factor when you do not know yet which locks are going on the doors.
19) The AQD1 comes as board only - what do I order if I need a supply that arrives in an enclosure?
The AQD1 is sold board only or with enclosure, so the boxed version covers it directly. If you are looking at other brands, the Altronix AL1024ULACMCB ships in a grey enclosure, the Locknetics LP Series is supplied with an enclosure, and the Aiphone AC-PS1250 is a 12V DC 5A UL listed supply for AC Series access control kits. Confirm the voltage and current fit the locks before choosing on the cabinet.
20) Which alternative to the Securitron AQD1 also handles fire alarm release of the locks?
The AQD1 carries a fire alarm relay and is available with a single relay fire trigger or individually triggered relayed outputs. Among the alternatives, the BEST ELR150 Series is a power supply control module for electronic access control, and the Detex 10-800 Series is a universal logic controller with a 120VAC/24VDC power supply and battery backup - both put control functions alongside the power. Confirm with your fire marshal how the release has to be wired for the facility before you settle on the unit.
21) If I am standardizing power supplies across a facility, which alternatives to the Securitron AQD1 share the same dual voltage approach so one part covers 12 and 24 volt locks?
The AQD1 is field selectable for 12 or 24 VDC, which lets one shelf part serve both lock types. The SDC 620, 631, 632 and 634 Series all offer dual voltage selection at 1, 1.5, 2 and 4 amps respectively, so a facility can standardize on one family and vary only the current. The Von Duprin PS902 is 2A at 12/24 VDC field selectable, and the RCI DKPS-2A is 12/24VDC at 2A with 8 outputs for multi-door cabinets.
22) Is the ROFU 9102 an equivalent to the Securitron AQD1 for a 120VAC feed?
The ROFU 9102-12D UL and 9102-24D are power supplies with 10/120VAC, 60Hz input, offered as separate 12 volt and 24 volt part numbers. The AQD1 takes 115 VAC input and is field selectable between 12 and 24 VDC on one unit, so with ROFU you are committing to the output voltage at the time you order rather than setting it at the door.
23) Can the AQD1 be mounted in an unheated garage or a parking structure?
Operating range is -4 to 122 degrees F (-20 to 50 degrees C), so an unconditioned garage, a vestibule, or a rooftop stair enclosure is within spec in most climates. Batteries are the weak link in cold, not the board, so keep that in mind on the standby side.
24) Is the Securitron AQD1 rated for commercial installs or is it a residential unit?
Commercial. It is an electronic access control supply built for supervised, UL listed installs with fire alarm release, which is a code-driven commercial requirement rather than anything a house needs. Property managers standardizing a portfolio can use the same 12/24 VDC field-selectable unit across buildings and only change the voltage setting per opening.
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Absolutely. The Securitron AQD1 is backed by a manufacturer’s warranty.
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