Altronix EFLOW4NBV Power Supply Charger, Single Output, 12/24VDC @ 4A
SKU
EFLOW4NBV
Model No
EFLOW4NBV
$180.96
Product Highlights
- AC fail supervision (form "C" contacts)
- Notification trigger is selectable for 30 seconds (factory set) or 2 hours
- Battery fail and presence supervision (form "C" contacts)
- Low power shutdown. Shuts down DC output terminals if battery voltage drops below 71-73% for 12V units and 70-75% for 24V units (depending on the power supply). Prevents deep battery discharge
- Overvoltage protection

Speak to an expert
Altronix eFlow4NBV is a reliable power supply/charger designed to convert a wide-range 220VAC input into a selectable 12VDC or 24VDC output, delivering up to 4A continuous supply current. It features advanced safety measures including fire alarm disconnect, overvoltage protection, and low power disconnect, ensuring dependable operation and battery longevity during power outages.
Altronix eFlow4NBV Power Supply Charger Features
- Input Rating: Input 220VAC (working range 198VAC - 256VAC), 50/60Hz, 2.1A for broad compatibility with various systems.
- Output: 12VDC or 24VDC selectable output ensures adaptability to different devices and applications.
- Performance: 4A continuous supply current for reliable power delivery.
- Filtered Output: Filtered and electronically regulated output to maintain voltage consistency.
- Auxiliary Output: Aux. output rated @ 1A (unswitched) for extra power needs.
- Protection: Overvoltage protection to safeguard connected devices from voltage spikes.
- Battery Backup: Built-in charger for sealed lead acid or gel type batteries provides an automatic switch over to stand-by battery when AC fails, ensuring uninterrupted power.
- Supervision: AC fail supervision with selectable notification triggers for prompt alerts on power issues.
- Deep Discharge Prevention: Low power shutdown feature prevents deep battery discharge, extending battery life.
- Fire Alarm Disconnect: Supervised Fire Alarm disconnect (latching or non-latching) for safety integration.
- Operational Range: Operating temperature 0° C to 49° C (32° F to 120° F) ensures functionality in various environments.
- Humidity Compliance: Relative Humidity 85% +/- 5% for optimal performance in humid conditions.
- Visual Indicators: Green AC Power LED and indicators for clear power status monitoring.
- Additional Features: Short circuit and overload protection for enhanced safety.
Altronix eFlow4NBV Detailed Specifications
| Feature | Details |
|---|---|
| Input Rating | 220VAC (working range 198VAC - 256VAC), 50/60Hz, 2.1A |
| Output Voltage | Selectable 12VDC or 24VDC |
| Continuous Current | 4A |
| Auxiliary Output | 1A (unswitched) |
| Protection | Overvoltage protection |
| Battery Backup | Built-in charger for lead acid/gel batteries |
| Supervision | AC fail and battery fail supervision |
| Temperature Range | Operating: 0° C to 49° C, Storage: - 20° C to 70° C |
| Relative Humidity | 85% +/- 5% |
| BTU/Hr | 12VDC: 25 BTU/Hr, 24VDC: 49 BTU/Hr |
| System VA Requirement | 462VA |
| Visual Indicators | Green AC Power LED, AC input, and DC output indicators |
| Safety Features | Short circuit and overload protection |
There are no related videos.
Write Your Own Review
Manuals & Specifications
Tools & CalculatorsProduct Accessories




