Haydon HAY-AC-DC1ACON 24V AC to 12V DC 1A Inline Converter for CCTV and Security Systems
Unless selecting a vari-focal camera (with an adjustable lens) It is important to select the correct camera lens option for where the camera is to be positioned. A smaller lens will give you a wider angle but will be "zoomed out more", while a bigger lens will narrow the angle down and "zoom in more". See below to give you some idea on angles of Megapixel HD Cameras:
| Lens in mm | Approx Viewing Angle (degrees) | Ideal Distance (metres) | Typical usage/notes |
|---|---|---|---|
| 2.8 | 106 | <6 | For seeing as much of the immediate area as possible such as above a doorway/low down/garage soffits (edges can appear slightly warped/distorted) - clearly "zoomed out" |
| 3.6/4 | 83-90 | <12 | A great general purpose option giving great coverage still in the corner of a room or higher up on second floor soffits with less distortion - more of a natural "zoom" |
| 6 | 56 | 6-20 | Narrows down the angle and zooms in to look past the immediate area a little to gain more detail - down a driveway for example from higher up |
| 12 | 24 | 20+ | Zooms in significantly more to look at a gate, entrance or adjascent building |
| 16 | 19 | 24+ | As above but more so |
The amount of hard drive space you require is dictated by how many cameras, as well as their resolution and frame rate settings. Finally you can often make your storage space last a lot longer by enabling motion detected recording rather than continuous, especially if there are long periods of no activity.
|
Resolution (Megapixels) |
Days of storage provided by 1TB per camera (continuous - full 25 frames per second) |
Days of storage provided by 1TB per 4 cameras (continuous - full 25 frames per second) |
Days of storage provided by 1TB per 4 cameras (50% motion- 15 frames per second) |
|---|---|---|---|
| 1 | 44 | 11 | 36 |
| 2 | 22 | 5 | 18 |
| 3 | 17 | 4 | 14 |
| 4 | 11 | 3 | 9 |
| 5 | 9 | 2 | 8 |
| 6 | 8 | 2 | 6 |
| 8 (4K) | 5 | 1 | 4 |
| 12 | 4 | 0.5 | 3 |
As a rule of thumb we recommend a minimum of 2 Terabytes per 4 x 2-4MP HD cameras, as this should give you 2 weeks to a month with a few adjustments on motion detected recording. You may only require the full 25 frames per second on certain cameras if things are fast moving.
(All of our hard drives come fitted and are CCTV specific from one of the major brands)
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Haydon HAY-AC-DC1ACON 24V AC to 12V DC 1A Inline Converter for CCTV and Security Systems
The Haydon HAY-AC-DC1ACON is a professional inline AC to DC voltage converter engineered to convert 24V AC power into a stable 12V DC supply for CCTV cameras, security equipment and other compatible low-voltage devices. Its compact design makes it an ideal solution for installations where only a 24V AC supply is available but connected equipment requires 12V DC operation.
Designed to accept an input voltage between 19V AC and 29V AC, the converter provides a regulated 12V DC output with a maximum output current of 1A. This makes it suitable for a wide range of surveillance cameras, networking devices and security accessories that require a dependable 12V DC power source.
The HAY-AC-DC1ACON features high-efficiency electronics, achieving an average efficiency of 84% or greater, helping to reduce energy consumption and minimise heat generation during continuous operation. It also maintains ripple and noise levels below 100mV, providing clean and stable DC power for sensitive electronic equipment.
KEY FEATURES
- Converts 24V AC to regulated 12V DC
- Input voltage range: 19–29V AC
- Maximum output current: 1A
- High-efficiency design (≥84%)
- Low ripple and noise (≤100mV)
- Built-in short-circuit protection
- Standard 5.5 × 2.1mm DC output plug
- Compact inline converter design
- 10cm connection cable
- Ideal for CCTV cameras and security equipment
- Simple plug-and-play installation
- Suitable for professional security installations
- Reliable continuous operation
- 3-year manufacturer's warranty
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