Altronix R1042ULADA Rack Mountable NAC Power Extender, 4 Class A or 4 Class B Outputs
SKU
R1042ULADA
Model No
R1042ULADA
$1,236.00
Product Highlights
- 120VAC, 60Hz, 5A
- Two (2) Class A or two (2) Class B inputs
- Two (2) NC dry contact trigger inputs
- 12V 6.5mA, 24V 6.5mA from FACP
- 2.5A max. current per output

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Altronix R1042ULADA is a space-saving 10A remote power supply/battery charger specifically designed for fire signaling applications such as Notification Appliance Circuits (NAC) expansion, including strobes and horns, while meeting ADA requirements. Built for rack mount configuration, this unit is ideal for locations with limited wall space. It is compatible with any 12 or 24 volt Fire Alarm Control Panel (FACP) and provides electronically regulated and filtered 24 volt power to Class B or Class A NAC loop circuits, ensuring reliable performance when powering NAC devices.
Altronix R1042ULADA Features
- Input Voltage: 120VAC, 60Hz, 5A for efficient power supply from standard outlets.
- Input Ratings: 8-30VDC, ensuring compatibility with various system configurations.
- Output Voltage: 24VDC power-limited outputs provide the necessary power for NAC devices.
- Max Current: 10A total alarm current, allowing flexibility in distributing power across outputs.
- Auxiliary Outputs: Two 1A auxiliary outputs to power additional system components.
- Protection Features: Thermal and short circuit protection with auto reset ensures system reliability.
- Programmable Outputs: Four Class B or A configuration allows for versatile installation based on system needs.
- Battery Backup: Built-in charger automatically switches to standby batteries during AC failures for uninterrupted power.
- Supervision Contacts: Form “C” contacts for AC failure and battery monitoring enhance system oversight.
- LED Indicators: Clear visual indicators for AC power, DC output, and logic board status facilitate easy monitoring.
- Sync Mode: 2-wire horn/strobe synchronization simplifies operation of audible and visual alerts.
- Temperature Tolerance: Operating range from 0° C to 49° C supports various environmental conditions.
Altronix R1042ULADA Detailed Specifications
| Feature | Details |
|---|---|
| Input Voltage | 120VAC, 60Hz, 5A |
| Input Ratings | 8-30VDC 6.5mA max |
| Output Voltage | 24VDC |
| Max Total Alarm Current | 10A |
| Max Current per Output | 2.5A |
| Auxiliary Outputs | Two 1A outputs |
| Protection Features | Thermal and short circuit protection |
| Programmable Outputs | Four Class B or A, or mixed configuration |
| Battery Backup | Built-in charger with zero voltage drop |
| Supervision | Form "C" contacts for AC and battery |
| LED Indicators | AC Power (Green), DC Output (Red), Logic Status (Red/Green) |
| Sync Mode | 2-wire horn/strobe synchronization |
| Operating Temperature | 0° C to 49° C |
| Storage Temperature | -20° C to 70°C |
| Relative Humidity | 85% +/- 5% |
| BTU/hr | 31 BTU/hr (approx.) |
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