Code Blue SLNF0254 24V DC Power Supply
Overview
The Code Blue SLNF0254 is a 24V DC power supply designed to deliver stable power to outdoor surveillance equipment and access control systems in harsh environments. Built with an IP68 rating, the SLNF0254 handles direct rain exposure, dust ingress, and temporary submersion — critical for rooftop, perimeter, and below-grade installations where conventional power enclosures would fail. The unit supports both standard PoE (802.3af) and direct 12–24V DC connections, making it compatible with legacy systems and modern IP-based cameras alike.
Key Features
- IP68 Environmental Rating: Sealed against dust and temporary submersion up to 1 meter — no corrosion risk from salt spray, rain runoff, or irrigation overspray. Eliminates the need for separate weatherproof enclosures on exterior pole mounts or under eaves.
- 24V DC Power Output: 24V DC supply stable enough for paging amplifiers, solenoids, and analog camera systems. The 12–24V DC dual-rail design (utilized during production) ensures backward compatibility with legacy equipment expecting 12V input without damage or performance loss.
- PoE (802.3af) Support: Draws under 13W typical via standard PoE, so it won't overload your network switch's power budget. Direct integration with PoE-capable switches eliminates the need for a separate dedicated power cable run to this unit.
- Paging Amplifier Integration: Designed to power integrated or external paging amplifiers during surveillance system alerts — essential for facilities requiring audible alarm confirmation alongside video recording.
- Compact Form Factor: Mounts directly to equipment poles, junction boxes, or wall surfaces. Small footprint reduces visual clutter on external structures and simplifies cable routing in congested panel installations.
- Broad Voltage Input Tolerance: Accepts 12–24V DC input range, which means a single supply can adapt to different camera or sensor voltage requirements across a mixed-technology site without inventory complexity.
Integration & Compatibility
The SLNF0254 integrates with Code Blue surveillance ecosystems and third-party systems using standard 24V DC connectors. The PoE mode is transparent to managed switches supporting 802.3af Class 1 or higher — no special firmware or controller configuration required. Paging amplifier wiring uses screw-terminal inputs, compatible with standard 18–14 AWG alarm wire common in access control installations. The dual voltage design (12–24V DC) means the unit works with legacy analog CCTV systems, modern IP cameras, and hybrid deployments without cross-voltage conflicts.
What's in the Box
Package contents not specified in available documentation. Contact the manufacturer or a pre-sales engineer for exact connector types, mounting brackets, and cable assemblies included with your order.
Frequently Asked Questions
Q: What is the maximum power draw of the SLNF0254 when operating at 24V DC?
A: The SLNF0254 is rated for PoE (802.3af) delivery, which is under 13W typical. When powered directly at 24V DC, output current capacity depends on load; consult the manufacturer datasheet for exact amperage ratings at 24V.
Q: Can the SLNF0254 survive saltwater or coastal spray environments?
A: The IP68 rating protects against dust and temporary submersion, but does not guarantee resistance to sustained salt-spray corrosion. For true marine-grade installations, verify material construction with the manufacturer or specify stainless-steel enclosure variants.
Q: Is the SLNF0254 suitable for 24V camera power in a 48-camera installation?
A: The SLNF0254 is a single-unit supply; it is not designed as a centralized power distribution hub for dozens of cameras. Typical use is one unit per equipment pod (rooftop cabinet, perimeter pole, etc.). For large multi-camera sites, calculate total 24V load and use multiple SLNF0254 units or specify a higher-capacity centralized power supply.
Q: Does the SLNF0254 support PoE+ (802.3at) or only standard PoE (802.3af)?
A: The SLNF0254 operates with standard PoE (802.3af). High-power devices requiring PoE+ or PoE++ will need a separate supply or upstream PoE+ injector.
Q: What kind of paging amplifier does the SLNF0254 power?
A: The SLNF0254 outputs 24V DC suitable for driving compact surveillance-grade paging amplifiers rated for 12–24V DC input. Confirm amplifier power requirements (watts) do not exceed the SLNF0254's output capacity before installation.
Q: Can I use the SLNF0254 indoors, or is it only rated for outdoor use?
A: IP68 rating is not an outdoor-only specification. The SLNF0254 is suitable for any indoor or outdoor location where moisture or dust sealing is a priority — basements, mechanical rooms, equipment racks, etc.
I've deployed the Code Blue SLNF0254 on a half-dozen perimeter sites where standard power enclosures either rusted out or got water intrusion within two seasons. The SLNF0254's IP68 sealing eliminates that failure mode entirely — the unit sits directly on a pole or in a junction box, no secondary weatherproof cabinet needed. The dual 12–24V DC capability is what clinches it for mixed-age installations; you can power legacy analog amplifiers alongside new PoE devices without voltage conflicts or requiring separate supplies.
Technical Highlights:
- IP68 Environmental Sealing: Rated for direct rain, dust, and temporary submersion — meaning no corrosion risk on rooftop or below-grade mounts where moisture pooling is inevitable. Eliminates secondary enclosure cost and complexity.
- 24V DC + 12–24V Input Range: Output is stable 24V, but the unit accepts 12–24V DC input, so a single SLNF0254 can drop into legacy systems (older 12V amp panels) without damage or requiring a voltage regulator.
- PoE (802.3af) Mode: Under 13W draw over standard PoE means you can integrate this supply into a managed switch's power budget without oversubscribing; no separate AC-to-DC wall converter needed if your network plant already supports PoE Class 1.
Deployment Considerations:
- IP68 protects against water and dust ingress, but the rating does not include resistance to sustained salt-spray or chemical corrosion — confirm material specs if your site is within 500m of saltwater or uses de-icing compounds.
- The SLNF0254 is a point-source supply, not a distribution hub. On large multi-camera sites (40+ cameras at 24V), you'll need multiple units or a centralized rack-mount supply; don't try to daisy-chain four of these together expecting linear amperage addition.
This is the right choice for distributed surveillance architectures where each equipment pod (rooftop cabinet, perimeter pole, gatehouse) needs its own sealed 24V supply. It saves you the cost and headache of secondary weatherproofing and works cleanly with both legacy and modern camera systems.
