eFlow3NB is a UL Recognized power supply/charger which converts a 120VAC, 60Hz input into a single 12VDC or 24VDC power-limited output, providing reliable and efficient power management for various applications. With features like over-voltage protection, built-in battery charger, and automatic switchover to standby battery power, this power supply ensures your devices remain powered even during outages.
Altronix EFLOW3NB Features
- Input: 120VAC 60Hz, 3.5 amp – Provides robust power for efficient operation.
- Power-limited output: Ensures safety and compliance for connected devices.
- Selectable output: 12VDC or 24VDC – Versatile options for different applications.
- Continuous supply current: 2 amp – Consistent power delivery for reliable performance.
- Filtered and electronically regulated output: Reduces noise and enhances stability.
- Auxiliary output: 1 amp rated (unswitched) – Additional power for secondary devices.
- Over Voltage Protection: Protects connected devices from voltage spikes.
- Built-in charger: For sealed lead acid or gel type batteries – Maintains battery health.
- Maximum charge current: 1.54 amp – Efficient charging capabilities.
- Automatic switch over: Instantaneous transfer to standby battery during AC failure – Ensures uninterrupted power supply.
- Supervised Fire Alarm disconnect: Compatible with NO or NC trigger – Enhances safety in emergency situations.
- AC fail supervision: Form “C” contacts – Alerts users of power issues.
- Battery supervision: Form “C” contacts for fail & presence – Monitors battery health effectively.
- Low power shutdown: Prevents deep battery discharge – Protects battery longevity by shutting down output when needed.
- LED indicators: For AC input, DC output, and battery status – Provides clear visual feedback.
- Short circuit and overload protection: Safeguards the unit from damage during faults.
Altronix EFLOW3NB Detailed Specifications
| Input Voltage | 120VAC 60Hz |
| Input Current | 3.5 amp |
| Output Voltage | 12VDC or 24VDC selectable |
| Output Current | 2 amp continuous |
| Auxiliary Output | 1 amp (unswitched) |
| Maximum Charge Current | 1.54 amp |
| Over Voltage Protection | Yes |
| LED Indicators | AC input, DC output, Battery |
| Short Circuit Protection | Yes |
| Low Power Shutdown | Yes |
| Supervised Fire Alarm Disconnect | 10K EOL resistor, NO or NC trigger |
| AC Fail Supervision | Form “C” contacts |
| Battery Supervision | Form “C” contacts |



















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