Power Supplies
Showing Results for Power Supplies
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DMP
SKU: 368/10
DMP 368/10 5.0 Ah 12 VDC Lead-Acid Battery
12 VDC 5.0 Ah lead-acid backup for access control systems
- 5.0 Ah / 12 VDC output keeps DMP XT and XR Series panels live during mains failure.
- Ships in a 10-unit pack, streamlining multi-panel deployments and spare inventory stocking.
- Direct panel integration at 12 VDC requires no converters or regulators at the terminal.
$335.00 $292.99 Save $42.01The item has been added -
Add to Cart The item has been addedDMP
SKU: 369/4
DMP 369/4 7.0 Ah 12 VDC Lead-Acid Battery
12V sealed lead-acid battery for access control backup power
- 7.0 Ah at 12 VDC sustains door controllers and readers for hours during AC loss.
- Sealed lead-acid chemistry requires zero maintenance inside panels or enclosures.
- Fits standard cabinet installs at 12.5" W × 9.5" H × 3.75" D with no voltage conversion.
$177.00 $154.99 Save $22.01The item has been added -
DMP
SKU: 376
DMP 376 12 Volt Wall Plug-In Power Supply
12V DC wall-plug power for DMP access control and alarm panels
- Delivers regulated 12V DC at 600mA to power readers, locks, and alarm auxiliaries.
- Plugs into standard 120V AC outlet — no rack hardware or dedicated power infrastructure needed.
- Integrates directly with DMP 1117 and 1118 systems for straightforward distributed deployments.
$45.99The item has been added -
Add to Cart The item has been addedDSC
SKU: HS65WPSNA
DSC HS65WPSNA Power Supply 12VDC 3.5A
Wall-mount 12VDC 3.5A power supply for access control and door locks
- 12 VDC 3.5A power supply for access control devices
- 16.5 VAC input for security power distribution
- Wall-mount form factor for cabinet installations
$73.88 $42.99 Save $30.89The item has been added -
Add to Cart The item has been addedELK Products
SKU: ELK-SWS
ELK Products Battery Shelf - ELK-SWS
- Battery shelf organizes backup batteries inside ELK enclosures
- Drops into standard ELK security cabinet for clean install
- Supports backup power distribution for access control loads
$33.99The item has been added -
Add to Cart The item has been addedELK Products
SKU: ELK-120
ELK Products ELK-120 Security Credential Accessory
8VDC credential accessory for ELK access control systems
- 8VDC credential accessory for ELK access and security panels
- 3 x 5 x 1.25 in housing for in-panel or surface mounting
- Microphone-supported integration for audio-enabled access control
$114.50 $100.99 Save $13.51The item has been added -
ELK Products
SKU: ELK-12120
ELK Products ELK-12120 ELK Security Accessory
12V 12Ah lead acid battery for ELK security panel backup power
- 12V 12Ah sealed lead-acid backup battery for security panels
- 20-hour discharge rate sustains panel and door strikes during outages
- 8.03 lb cell fits standard ELK and 3rd-party panel battery bays
$55.47 $49.99 Save $5.48The item has been added -
ELK Products
SKU: ELK-1213
ELK Products ELK-1213 ELK Security Accessory
12V sealed lead-acid backup battery for ELK security systems
- 12V 1.3Ah compact backup battery for low-draw alarm panels
- 20-hour discharge rate supports small panels through AC loss
- 1.89 lb sealed lead-acid cell for in-panel mounting
$18.94 $16.99 Save $1.95The item has been added -
Add to Cart The item has been addedELK Products
SKU: ELK-12260
ELK Products ELK-12260 12V 26Ah Backup Battery
12V 26Ah sealed lead-acid backup for security panels and access control
- 12V 26Ah sealed lead-acid for long-duration backup runtime
- Supports access control, alarm panels, and surveillance recorders
- 16.06 lb cell for medium-to-large enclosure battery bays
$196.99The item has been added -
ELK Products
SKU: ELK-1233
ELK Products ELK-1233 ELK Security Accessory
12V backup battery for ELK security panels during power loss
- 12V 3.3Ah backup battery for ELK panels and access integrations
- 20-hour discharge rate supports panel boards through AC loss
- 2.75 lb compact cell for in-enclosure mounting
$31.99The item has been added -
Add to Cart The item has been addedELK Products
SKU: ELK-124
ELK Products ELK-124 TCP/IP Security Accessory
TCP/IP accessory for ELK security systems with 8VDC low-voltage operation
- TCP/IP networked security accessory for ELK panel deployments
- 8VDC operation, 200 mA nominal draw - fits standard aux budgets
- 4.375 x 6.5 x 2 in housing for surface or in-cabinet install
$199.65 $171.99 Save $27.66The item has been added -
Add to Cart The item has been addedELK Products
SKU: ELK-1250
ELK Products ELK-1250 ELK Security Accessory
12V sealed lead-acid backup battery for ELK security panels
- 12V 5Ah sealed lead-acid backup battery for security panels
- Operates -4 to 140 degrees F for unconditioned cabinet installs
- 3.59 lb cell fits standard ELK and 3rd-party panel battery bays
$33.99The item has been added -
Add to Cart The item has been addedELK Products
SKU: ELK-1280
ELK Products ELK-1280 ELK Security Accessory
12V DC controller for ELK security systems with 8Ah battery backup
- 12V 8Ah controller battery for ELK security control deployments
- Operates -4 to 140 degrees F for unconditioned cabinet installs
- 5.17 lb cell fits standard panel battery compartments
$46.99The item has been added -
ELK Products
SKU: ELK-964B20
ELK Products ELK-964B20 Master Power Switch
Centralized power control for ELK security systems and access devices
- Master power switch for centralized security system control
- Wall or rack mount placement for IT closet and head-end rooms
- Cuts power to ELK security loads from a single switch position
$329.99The item has been added -
ELK Products
SKU: ELK-P1215
ELK Products ELK-P1215 ELK Security Accessory
14VDC charger and power supply for ELK security systems
- 14VDC power supply for ELK panels and backup battery charging
- F1-Faston No. 187 receptacles for direct ELK panel connection
- Drops into ELK security system power architecture
$101.99The item has been added -
ELK Products
SKU: ELK-P1216
ELK Products ELK-P1216 ELK Security Accessory
12VDC auxiliary power and signal distribution for ELK security systems
- 12VDC power and signal distribution accessory for ELK systems
- Drops into standard ELK access and alarm panel architectures
- Aux power supply for modular system expansion deployments
$28.41 $24.99 Save $3.42The item has been added
Power Supplies
Power supplies provide stable and regulated power for surveillance cameras, access control devices, and intercom systems. Selecting the proper voltage, amperage, and redundancy configuration ensures reliable operation and minimizes system downtime in commercial environments.
Plan Your Deployment
- Voltage and amperage requirements for connected devices
- Centralized vs distributed power architecture
- Redundancy and failover considerations
- Indoor vs outdoor installation requirements
- Code compliance and surge protection planning
Power Supplies — Engineering-Grade Power Distribution for Commercial Deployments
This category covers 193 working models of power 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 |
|---|---|
| Resolution | 4MP, 2MP, 0MP, 8MP, 5MP, 20MP+ |
| IP Rating | IP65, IP68, IP66, IP67 |
| Connectivity | Wired, Bluetooth, Wi-Fi |
| Power | AC/DC, PoE+, PoE |
| Storage | microSD |
| Type | Power Supply, Accessory, Power Accessories, Switch, Controller, Mobile Computer, Power Adapter, DVR |
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.