Altronix AL176ULB Access Control Power Supply Charger, Single PTC Class 2 Output, 12/24VDC @ 1.75A, FAI, 24VAC, Board
SKU
AL176ULB
Model No
AL176ULB
$69.24
Product Highlights
- 28VAC, 56VA from UL Listed, Class 2 transformer
- 12VDC or 24VDC selectable outputs
- 1.75 amp supply current
- Class 2 Rated power limited output
- PTC protected outputs, rated @ 2.5 amp

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The Altronix AL176ULB Access Control Power Supply Charger is designed to meet the demanding needs of access control systems with its reliable power source. It converts low voltage AC input into a PTC protected 12VDC or 24VDC output, ensuring that your systems remain operational during power fluctuations. With features such as thermal overload protection, built-in battery charging, and comprehensive supervision capabilities, this power supply is a robust solution for safeguarding your security installations.
Altronix AL176ULB Access Control Features
- Power Source: 28VAC, 56VA from UL Listed, Class 2 transformer – ensures compliance with safety standards and reliability.
- Output Flexibility: 12VDC or 24VDC selectable outputs – provides versatility to support various access control devices.
- Current Supply: 1.75 amp supply current – delivers adequate power for multiple devices, enhancing system performance.
- Safety Rating: Class 2 Rated power limited output – protects equipment from overloads, contributing to overall system safety.
- Protection Features: PTC protected outputs rated @ 2.5 amp – prevents damage to connected devices due to overcurrent.
- Regulated Output: Filtered and electronically regulated output – ensures stable power delivery, reducing the risk of system malfunctions.
- Overload Protection: Short circuit and thermal overload protection – safeguards the device and connected equipment, increasing reliability.
- Battery Support: Built-in charger for sealed lead acid or gel type batteries – maintains backup power capabilities for uninterrupted operation.
- Automatic Switch Over: Automatic switch over to stand-by battery when AC fails – enhances system resilience during power outages.
- Charging Capability: Maximum charge current 0.4 amp – ensures efficient battery maintenance, prolonging battery life.
- Supervision Features: AC fail supervision (form “C” contacts) – alerts users to potential power issues for proactive maintenance.
- Battery Supervision: Low battery supervision (form “C” contacts) – ensures batteries are adequately charged and operational.
- LED Indicators: AC input and DC output LED indicators – provide clear status updates for easy monitoring.
Altronix AL176ULB Access Control Detailed Specifications
| Input Voltage | 28VAC |
| Output Voltage | 12VDC or 24VDC selectable |
| Output Current | 1.75A |
| Power Rating | 56VA |
| Output Protection | PTC protected outputs rated @ 2.5A |
| Battery Charging | Built-in charger for sealed lead acid or gel type |
| Charging Current | 0.4A |
| Supervision | AC fail and low battery supervision (form “C” contacts) |
| Indicators | AC input and DC output LED indicators |
| Regulation | Filtered and electronically regulated output |
| Safety Features | Short circuit and thermal overload protection |
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