Introduction to the Haydon Inline 24 VAC 1 A PSU (ITM001124)
The Haydon Inline 24 VAC 1 A PSU (ITM001124) is a compact switch‑mode power supply designed for simple, reliable powering of low‑power 24 VAC devices. Supplied with a UK mains plug and an inline jack/lead, this unit is aimed at CCTV cameras, intercoms, doorbells and other small security or access control equipment. With a 24 VAC output at 1 A (24 VA), thermal and short‑circuit protections, and a small form factor for plug‑and‑play convenience, it’s an attractive option for both DIY installers and professional contractors who need a neat, mains‑plugged solution.
Key features at a glance
- Output:24 VAC, 1 A (24 VA)
- Input:230–240 V AC, 50/60 Hz
- Form factor:Compact inline adapter with UK plug and inline socket/lead
- Protections:Thermal, overload and short‑circuit protection
- Efficiency:Switch‑mode design with typical efficiency ≥ 70%
- Typical applications:CCTV cameras, doorbells/intercoms, access control and retrofit installations
Detailed specifications and benefits
Understanding the ITM001124’s specifications helps explain where it fits and why installers choose it. The electrical specification of a 24 VAC output at 1 A makes this PSU suitable for single cameras and low‑power devices that require AC rather than DC. The input range of 230–240 VAC at 50/60 Hz aligns with standard UK mains supplies, so it can be plugged directly into a UK wall outlet without additional transformers.
- Output voltage and current:24 VAC ±5% and up to 1 A (24 VA) – appropriate for many CCTV cameras, smaller intercoms and doorbell systems that specify 24 VAC. The rating gives a clear maximum load to avoid overtaxing the unit or the device it powers.
- Protections:The inclusion of thermal, overload and short‑circuit protection is important. These protections reduce the risk of damage from accidental overloads or wiring faults and help extend the life of both the PSU and the connected device.
- Efficiency & switch‑mode design:The switch‑mode design offers higher efficiency and lower weight/size compared with older linear supplies. Typical listings show ≥ 70% efficiency, which means less energy wasted as heat and often a smaller, cooler running unit.
- Ripple & hold‑up:Typical listings suggest ripple/noise values of ≤ 200 mV and hold‑up times on the order of ~30 ms. For noise‑sensitive devices check the official datasheet to confirm these figures meet the device manufacturer’s requirements.
- Form factor:Inline adapter with a UK mains plug and an inline jack/lead makes installation fast and straightforward — ideal for temporary set‑ups, retrofits and situations where running permanent wiring is inconvenient.
- Dimensions and cable length:Vendor listings commonly show approximate dimensions around 89.5 x 68 x 58.5 mm and cable lengths between 2.1–3.6 m, but these values vary by listing. Confirm the exact SKU data if size and reach are critical for your installation.
- Operating conditions:Typical operating temperatures are given as −10°C to +40°C with storage between −20°C and +70°C. These ranges suit indoor installations and many sheltered outdoor uses, but you should verify IP rating and specific outdoor suitability for exposed environments.
Listings vary on official approvals, so for compliance projects you should verify CE/UKCA (and UL where required) on the manufacturer’s datasheet. Some reseller pages mention an IP66 rating for certain SKUs — others do not — so if weatherproofing is required confirm the exact model’s IP rating before use in wet or exposed locations. Always isolate mains power before wiring and follow local electrical regulations; consult a qualified electrician for permanent or outdoor installations.
Use cases and scenarios where the Haydon inline PSU excels
This PSU is tailored to scenarios that require a compact, plug‑in 24 VAC source rather than a fixed, hardwired supply. Key situations include:
- Small CCTV installations:Powering single proof‑of‑concept or peripheral cameras in retail, home or small business settings where a discrete wall outlet is available nearby.
- Doorbell and intercom systems:Many doorbells and intercoms require 24 VAC. This inline PSU simplifies retrofitting or replacement where mains access exists but running a dedicated transformer is impractical.
- Temporary or rental installations:When you need to mount cameras or access control devices temporarily (events, site surveys, short‑term monitoring), the plug‑and‑play convenience removes the need for permanent wiring.
- DIY and contractor convenience:Electricians and installers appreciate a small, protected supply for quick swaps or troubleshooting — no need to strip back wall or power supplies to test a device.
Comparison with similar products on the market
Compact inline 24 VAC PSUs are a common category, but differences in protection, build quality, certifications and connector types matter. Here are the main comparison points to consider when evaluating the Haydon unit versus alternatives:
- Form factor & cabling:The Haydon’s inline UK‑plug design is convenient for the UK market. Some competitors offer screw‑terminal blocks or IEC connectors better suited to permanent installations, whereas the Haydon unit is optimized for simplicity and speed of installation.
- Output capacity:At 1 A (24 VA) this PSU is best for single or low‑power devices. If you plan to run multiple cameras or devices from a single supply, higher VA transformers or multiple outlets will be necessary. Competitors offer higher current models (2 A, 3 A, etc.) if you need to power several devices from one point.
- Protections & reliability:Basic protections (thermal, overload, short‑circuit) are standard in quality inline units. Some premium competitors add features like enhanced surge protection or tighter ripple specifications for sensitive electronics — choose based on device tolerance and environment.
- Certifications & IP rating:While many budget inline PSUs list general protections, top‑end models will clearly list CE/UKCA, UL and a confirmed IP rating for outdoor use. If your project requires guaranteed ingress protection or specific agency approvals, verify the datasheet or choose a unit explicitly certified for those needs.
- Price & value:The suggested retail price of £17.99 positions the Haydon inline PSU as an affordable option. For basic one‑device installations this often represents good value compared with bulkier, more expensive transformer units or higher‑spec weatherproof supplies.
Customer feedback and testimonials
There are no verified customer reviews supplied with this product brief. However, based on typical feedback patterns for similarly specified inline PSUs, installers and home users commonly comment on a few recurring themes:
- Positive remarks:Ease of installation, compact size, reliable operation for single cameras or doorbells, and value for money.
- Constructive feedback:Requests for clearer certification labels, longer cable options, or higher current variants for multi‑device setups.
If you require verified user reviews for procurement decisions, check reseller pages or installer forums for real customer experiences and verified ratings before purchase.
Conclusion — why choose the Haydon Inline 24 VAC 1 A PSU?
The Haydon Inline 24 VAC 1 A PSU (ITM001124) is a practical, cost‑effective choice for powering individual CCTV cameras, doorbells and intercoms in situations where a compact, plug‑in 24 VAC supply is preferred. Its switch‑mode design gives reasonable efficiency and low heat dissipation, while built‑in protections add a layer of safety for everyday use. At a suggested price point of £17.99 it represents good value for temporary installs, retrofits and single‑device setups.
Before committing to a purchase for compliance‑sensitive or exposed installations, verify the exact SKU’s datasheet for certifications, IP rating and detailed electrical characteristics such as ripple and hold‑up time. When matched to appropriate loads and environments, the Haydon inline PSU offers an uncomplicated, dependable solution for many small security and access control projects.
