Altronix EFLOW102NXV 12VDC 10A Power Supply/Charger with Fire Alarm Interface
Overview
The Altronix EFLOW102NXV is a single-output, 220VAC power supply and battery charger built for commercial security installations that require integrated fire alarm disconnect and continuous standby power. It converts 220VAC (198VAC–256VAC) at 50/60Hz into a regulated 12VDC output at up to 10A — enough to power a multi-camera cluster, a card access controller, or a combination of both from a single enclosure. If your project spec calls for fire alarm interlock or you are deploying in a 220VAC mains environment, this unit belongs on your equipment list. See the full Altronix power supply and access control line for companion products, or browse our surveillance power supplies category for alternatives.
Key Features
- 10A Output at 12VDC: Drives multiple devices simultaneously — typical card readers draw 150–300mA each, so 10A gives you substantial headroom for mixed loads without daisy-chaining power supplies across a rack.
- Fire Alarm Disconnect (FAI): The supervised FAI circuit supports both latching and non-latching modes with a 10K EOL resistor, and accepts normally open or normally closed trigger wiring. This is the spec that makes the EFLOW102NXV the correct choice when your AHJ requires power to drop on fire alarm activation.
- 220VAC Input Range (198–256VAC): The ±12% input tolerance handles real-world line voltage fluctuation in international and industrial environments. A 5A/250V input fuse protects upstream wiring without requiring a separate fuseholder.
- Built-in Battery Charger (1.54A max charge current): Accepts one 12VDC/12AH sealed lead-acid or gel cell battery (sold separately). Automatic switchover to standby is instantaneous — no output interruption when AC fails, which matters for door controllers and cameras that require unbroken power to maintain their current state.
- Low Power Disconnect: Shuts DC output terminals when battery voltage drops to 71–73% of nominal. This prevents deep discharge that permanently degrades lead-acid battery capacity — an often-overlooked spec that extends battery service life in installations that cycle power frequently.
- AC Fail and Battery Supervision (Form C Contacts): The notification trigger for AC fail is selectable at 30 seconds (factory default) or 2 hours — useful when you need to suppress nuisance alarms during brief utility interruptions. Battery fail and presence supervision run independently.
- Overvoltage and Short-Circuit Protection: Both are built in. No external inline fuses needed on the output side for standard loads.
- Auxiliary 1A Unswitched Output: Provides always-on 12VDC for a reader, siren, or auxiliary device that must stay powered even when the main output is shut down by low-battery disconnect. Plan your load assignment carefully — this output stays live regardless of the DC output state.
- LinQ2 Ready: Accepts the optional LINQ2 network communication module (sold separately) for remote diagnostics — monitor power supply status, AC/battery faults, and output conditions from a central platform without rolling a truck. Relevant on large distributed deployments. See access control infrastructure for compatible management platforms.
- NDAA and TAA Compliant: Both certifications verified for this SKU, so this unit is eligible for federal, state, and defense contractor projects with supply chain restrictions. CE and BAA compliance also listed.
Installation Notes
The wall-mount enclosure measures 12.25"W x 15.5"H x 4.5"D and includes 1.125" and 1.375" combination knockouts for conduit entry. At 8.4 lbs product weight, standard wall blocking is sufficient. The unit arrives complete with power supply, enclosure, battery leads, and cam lock — no separate enclosure purchase required. Pair with a UPS or battery backup upstream if your application demands double-conversion protection beyond the built-in standby function. The 462VA AC input requirement is the figure your electrician needs for circuit sizing.
Frequently Asked Questions
Q: Is the EFLOW102NXV NDAA Section 889 compliant?
A: Yes. The EFLOW102NXV carries verified NDAA compliance, along with TAA, CE, and BAA listings, making it eligible for federal and government-funded installations with supply chain requirements.
Q: What battery type and size does the EFLOW102NXV support?
A: The enclosure accommodates one 12VDC/12AH sealed lead-acid or gel cell battery. Batteries are sold separately. The built-in charger delivers a maximum charge current of 1.54A.
Q: What is the fire alarm disconnect trigger wiring on the EFLOW102NXV?
A: The FAI circuit accepts both normally open (NO) and normally closed (NC) trigger wiring and supports latching or non-latching operation. A 10K EOL resistor is included for supervision.
Q: Does the EFLOW102NXV support remote monitoring?
A: Yes — it is LinQ2 Ready, meaning it accepts Altronix's optional LINQ2 network communication module for remote diagnostics, control, and reporting of power supply status and fault conditions.
Q: What is the warranty on the EFLOW102NXV?
A: Altronix lists a Lifetime Warranty for the EFLOW102NXV per their published product documentation.
Q: Can the EFLOW102NXV be used on a 60Hz North American circuit?
A: No — this unit is designed for 220VAC input (198–256VAC range) at 50/60Hz. It is not compatible with standard 120VAC North American branch circuits. Verify your mains voltage before ordering.
The spec I always check first on a unit like the EFLOW102NXV is the fire alarm interface, and this one is properly implemented — supervised FAI with form C contacts, selectable latching or non-latching, and a 10K EOL resistor built in. That means you can wire it directly into your fire alarm panel's output zone without adding a separate relay module or EOL board in the field. It's the kind of integration detail that saves a half-day of head-scratching during commissioning.
Technical Highlights:
- 10A Output / 462VA Input: The 462VA AC input requirement is the number your electrician needs for circuit sizing on a 220VAC feed. At 10A output and a 1.54A charge current running simultaneously, you have real capacity for mixed security loads — controllers, readers, and cameras on one circuit.
- Instantaneous Battery Switchover: Transfer to standby is truly instantaneous per the spec — no output interruption. For access controllers that lose their door-held state on a power blip, this is the difference between an annoyance and a security incident.
- Low Battery Disconnect at 71–73%: The threshold is tight enough to protect battery chemistry without cutting over prematurely. Over a multi-year deployment, this spec alone can mean one fewer battery replacement cycle per site.
Deployment Considerations:
- The auxiliary 1A output is unswitched — it stays live even when low-battery disconnect shuts the main output. Map your loads accordingly: put the device that must stay powered (a reader or a siren) on the aux output, and put devices that should shed (cameras, secondary controllers) on the main output.
- This unit is 220VAC only. The working range is 198–256VAC. If the project spec changes to a 120VAC building, you need a different model — this one has no dual-voltage switching.
The EFLOW102NXV is the right call for international commercial deployments, 220VAC industrial facilities, or any domestic project where the AHJ requires a fire alarm power interlock on the security system — particularly in mixed access control and surveillance panels where a single compliant power source simplifies both the design and the inspection.
