Power Delivery & Supplies
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Altronix
SKU: AL400ULPD4CBR
Altronix AL400ULPD4CBR 4-Output Power Supply Charger
4-output 12/24VDC supply with battery backup and AC fail detection
- Four independent outputs, each rated 4A @ 12VDC or 3A @ 24VDC
- Integrated battery charging with automatic switchover on AC power loss
- AC fail, low battery, and battery presence supervision on each circuit
$367.11 $236.99 Save $130.12The item has been added -
Add to Cart The item has been addedAltronix
SKU: AL400ULPD8
Altronix AL400ULPD8 Dual 12/24VDC 4A Power Supply Charger
8-output 12/24VDC charger with battery backup and AC fail alarm
- 8 independent fused outputs at 4A each; selectable 12 or 24VDC voltage
- Integrated battery charger with automatic AC fail switchover for continuous power
- UL listed; 115VAC input; individual circuit protection prevents cascade faults
In stock · Ships same business day$401.69 $235.99 Save $165.70The item has been added -
Add to Cart The item has been addedAltronix
SKU: AL400ULPD8CB
Altronix AL400ULPD8CB 8-Output Power Supply Charger
8-output 12/24VDC power supply with integrated battery charger
- 8 independent regulated outputs at 4A (12V) or 3A (24V) per channel
- Selectable voltage output (12VDC or 24VDC) without changing hardware
- Built-in battery charger with AC fail, low battery, and presence supervision
In stock · Ships same business day$401.69 $231.99 Save $169.70The item has been added -
Altronix
SKU: AL400ULPD8CBR
Altronix AL400ULPD8CBR 12/24VDC 4A Power Supply Charger
Dual-voltage 12/24VDC charger with battery backup for security systems
- Selectable 12VDC @ 4A or 24VDC @ 3A output for access control and alarms
- Integrated sealed lead-acid battery charger with AC fail detection
- Battery presence and low-voltage supervision for continuous operation monitoring
$438.06 $256.99 Save $181.07The item has been added -
Altronix
SKU: AL400ULXF
Altronix AL400ULXF 4A Dual Output Power Supply
Dual 12V/24V output supply with battery backup for access control
- 4A @ 12VDC and 3A @ 24VDC outputs run simultaneously for mixed loads
- Integrated battery backup with automatic switchover and AC fail detection
- UL Listed with supervision for low battery and backup unit presence
$485.57 $284.99 Save $200.58The item has been added -
Altronix
SKU: AL400ULXJ
Altronix AL400ULXJ 4A Power Supply Charger 12/24VDC
Dual-voltage 4A power supply with integrated battery backup and AC monitoring
- Selectable 12VDC or 24VDC output with 4A @ 12V or 3A @ 24V capacity
- Built-in battery charger with AC Fail, Low Battery, and Battery Presence supervision
- UL Listed red XL enclosure mounts on wall or DIN rail for security systems
$500.56 $293.99 Save $206.57The item has been added -
Altronix
SKU: AL400ULXJG
Altronix AL400ULXJG 4A 12/24VDC Power Supply Charger
Dual-voltage 4A/3A power supply with integrated battery charger
- Selectable 12VDC or 24VDC output runs mixed-voltage access control and alarm loads
- Built-in battery charger with AC fail and low-battery supervision, no external module
- UL listed, XL metal housing mounts wall or cabinet for mid-to-large security systems
$500.56 $293.99 Save $206.57The item has been added -
Add to Cart The item has been addedAltronix
SKU: AL400ULXPD16
Altronix AL400ULXPD16 16-Output Power Supply Charger
16-output 12/24VDC supply with integrated battery backup for security systems
- 16 independent terminals eliminate daisy chains; selectable 12 or 24VDC output
- Built-in battery charging circuit maintains backup power during AC mains failure
- AC Fail, Low Battery, and Battery Presence supervision signals to control panel
In stock · Ships same business day$459.00 $268.99 Save $190.01The item has been added -
Add to Cart The item has been addedAltronix
SKU: AL400ULXPD16CB
Altronix AL400ULXPD16CB 16-Output Power Supply with Battery Backup
16-output 12/24VDC supply with integrated battery backup and AC supervision
- 16 independent channels at 4A @ 12VDC or 3A @ 24VDC, selectable per unit
- Built-in battery charger with AC fail, low battery, and presence supervision
- UL Listed distribution platform for access control, surveillance, and alarm systems
In stock · Ships same business day$459.06 $264.99 Save $194.07The item has been added -
Add to Cart The item has been addedAltronix
SKU: AL400ULXPD4
Altronix AL400ULXPD4 4A Dual-Voltage Power Supply with Battery Backup
Dual-voltage 4A supply with battery backup and fault monitoring
In stock · Ships same business day$409.36 $239.99 Save $169.37The item has been added -
Altronix
SKU: AL400ULXPD4CB
Altronix AL400ULXPD4CB 12/24VDC 4-Output Power Supply
Selectable 12/24VDC regulated supply with 4 PTC-protected outputs
- Four independent output circuits with passive current limiting via PTC
- UL-listed large format enclosure for access control and security systems
- 115VAC input, selectable voltage output for flexible deployment requirements
$409.36 $239.99 Save $169.37The item has been added -
Altronix
SKU: AL400ULXPD8CB
Altronix AL400ULXPD8CB 8-Output Power Supply 12/24VDC
8-output 12/24VDC power supply with integrated battery charging
- 8 independent regulated outputs at 4 amps per channel
- Selectable 12VDC or 24VDC operation in same unit
- Built-in battery charger for backup power systems
$415.00 $243.99 Save $171.01The item has been added -
Altronix
SKU: AL400ULXX
Altronix AL400ULXX 4A Supervised Power Supply Battery Backup
12/24VDC supervised power supply with integrated battery backup for security systems
- Selectable 12VDC @ 4A or 24VDC @ 3A output with automatic backup switchover
- AC fail, low battery, and battery presence supervision for continuous monitoring
- UL listed for security and life safety applications with lifetime limited warranty
$371.34 $217.99 Save $153.35The item has been added -
Altronix
SKU: AL400X220
Altronix AL400X220 Single Output Power Supply/Charger 200VA
200VA single-output charger for 12/24VDC backup power in access control
- Selectable 12VDC @ 4A or 24VDC @ 3A output with SLA/gel battery charging
- Instantaneous AC-fail transfer with supervision signals for system monitoring
- Wide input range 198–256VAC, 50/60Hz with BC300 mount compatibility
$364.10 $213.99 Save $150.11The item has been added -
Altronix
SKU: AL400XB2V
Altronix AL400XB2V 12/24VDC 4A Power Supply Charger
Compact 12/24VDC 4A charger with battery backup and AC failure monitoring
- Selectable 12VDC or 24VDC output; 4A @ 12VDC or 3A @ 24VDC continuous
- Integrated charger for sealed lead acid or gel batteries with supervision contacts
- 220VAC input (198–256VAC) board form factor fits compact security/access control builds
$289.11 $169.99 Save $119.12The item has been added -
Altronix
SKU: AL400XPD16CB220
Altronix AL400XPD16CB220 Dual-Output Power Supply 16 PTC
Dual-output 12/24VDC supply with 16 individually protected circuits
- Selectable 12VDC@4A or 24VDC@3A main output for mixed-voltage setups
- 16 PTC-protected auxiliary outputs with real-time load supervision
- 220VA battery charger for standby power on critical access control
$459.06 $268.99 Save $190.07The item has been added
Power Delivery & Supplies
Power delivery and supply solutions provide reliable energy for IP cameras, access control hardware, intercoms, and supporting infrastructure. Proper power planning ensures stable operation, protects sensitive equipment, and supports long-term system reliability.
Plan Your Deployment
- Voltage requirements and device compatibility
- Total load calculation and expansion capacity
- Centralized vs distributed power architecture
- Battery backup and redundancy planning
- Environmental and enclosure considerations
Power Delivery & Supplies — Engineering-Grade Power Distribution for Commercial Deployments
This category covers 1003 working models of power delivery & supplies sourced manufacturer-direct or through channel-direct US distribution. Build the rest of your system around the architectural choices below — compatibility, environmental rating, and lifecycle decisions made here propagate through every downstream component you specify.
What to Look For
Voltage and amperage requirements come from the connected load. Cameras and access-control hardware typically use 12VDC or 24VAC; PoE-powered devices need a PoE injector or switch instead of a traditional supply. Sum the steady-state current draw across all devices on the supply, then add 25-30% headroom for inrush and growth. Undersized supplies fail quickly under sustained load.
Linear, switching, and PoE supplies have different efficiency, noise, and form-factor characteristics. Switching supplies are smaller and cooler-running but introduce switching noise that can affect audio circuits. Linear supplies run quieter electrically but generate more heat and weigh more. PoE injectors and switches are standard for IP cameras and access readers — pick by port count, power budget, and management capability.
Output redundancy and battery backup are the distinguishing features at the high end. Multi-output supplies with individually-fused outputs isolate device failures so one shorted camera doesn't take down the rest. Battery-backed supplies maintain operation during AC failure — code-mandated on most access-control and emergency systems. Sizing the battery for actual runtime requirement is more important than headline Ah capacity.
Enclosure type, mounting, and certification matter for code compliance and field reliability. NEMA-rated enclosures for outdoor/wet locations; lockable enclosures for tamper-resistant installs. UL 294 listing for access-control supplies; UL 1481 for fire-alarm supplies. Verify the AHJ's listing requirements before ordering — many jurisdictions reject non-listed supplies in commercial life-safety installs.
Key Specs in This Category
| Spec | Available Options |
|---|---|
| Connectivity | Single-Mode Fiber, Wired, Multi-Mode Fiber, Ethernet over Coax |
| Power | AC/DC, 24VDC, 12VDC, 24VAC, PoE, PoE+, PoE++ |
| Channels | 14, 3 |
| Type | Power Supply, Enclosure, Accessory, Relay Module, UPS, Network Hub, Cable, Controller |
| Durability | Indoor |
| Night Vision | Yes |
Top Brands in This Category
Frequently Asked Questions
Do I need a battery backup on my power supply?
For access control on egress doors, fire alarm systems, and most security-monitored installations — yes, code requires it. Battery backup runtime is typically 4 hours minimum for access control (24 hours for fire alarm). For surveillance cameras alone, battery backup is optional but recommended; a 30-minute UPS bridge handles most utility-power glitches and prevents reboot cycles that affect recorded video continuity.
What size power supply do I need for 8 PoE cameras?
If using a PoE switch, sum the per-camera PoE class budget: 8 cameras at 802.3at (PoE+, 30W max) need a switch with at least 240W total PoE budget. Add 20-30% headroom. Many 8-port PoE+ switches advertise 130W total budget — undersized for full-load 802.3at use. For 802.3bt (PoE++, 60-90W) devices like multi-imagers or large PTZs, plan even more aggressively.
Can I mix 12VDC and 24VAC devices on one supply?
Multi-output supplies (Altronix AL600ULPD8, LifeSafety FPO75) provide both 12VDC and 24VAC outputs from a single chassis, each individually fused. Mixing the two on a single output is not safe — voltage and waveform are incompatible. For larger sites, separate dedicated supplies per voltage simplify troubleshooting and isolate failures.
How do I calculate voltage drop on long cable runs?
Voltage drop depends on conductor gauge, current draw, and cable length. For 12VDC at 2A over 100 feet, 18 AWG drops roughly 1V (5%) — borderline acceptable. 16 AWG drops half that. For runs over 100 feet at sustained current, use a 24V supply at the source and step down at the device, or move to PoE which tolerates longer runs at typical commercial distances.
What's the difference between a power supply and a PoE injector?
A traditional power supply delivers DC (or AC) to a device through a dedicated power cable. A PoE injector adds DC power to the unused pairs of an Ethernet cable, so the device receives both power and data on the same Cat5e/Cat6. PoE simplifies installation and is the dominant choice for IP cameras and modern access readers. Traditional supplies are still preferred for high-current devices like maglocks and analog camera installations.
Need help choosing? Talk to a Senior Specialist — direct line 877-277-7147 or request a quote.