Power Supplies
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Add to Cart The item has been addedPelco
SKU: WCS1-4
Pelco WCS1-4 Single-Output Camera Power Supply 4A
Regulated 4A DC supply for non-PoE camera installations
- Selectable 24, 26, or 28 VAC output with stable regulation
- Wall, pole, or rack mount for flexible indoor/outdoor deployment
- 4A capacity handles single camera or compatible accessory power
In stock · Ships same business day$250.43 $178.99 Save $71.44The item has been added -
Posiflex
SKU: 21868600500
Posiflex 21868600500 Power Supply Cable For POS-21972080125
- Rated for 80W draw, ensuring clean power delivery to POS-21972080125 terminals.
- Compatible with 120W, 130W, or 150W external PSUs to match your terminal load.
- Standard 3-wire US cord installs without tools, simplifying terminal deployment.
$13.00 $12.99 Save $0.01The item has been added -
Posiflex
SKU: 21972060127
Posiflex 21972060127 Power Supply 12V DC/60W for XT3215
- 12V DC 60W external power supply for Posiflex XT3215
- Sufficient capacity for terminal display and peripherals
- OEM accessory for retail POS deployments
$85.00 $84.99 Save $0.01The item has been added -
Posiflex
SKU: 21972080127
Posiflex 21972080127 Power Supply For FT Series 12VDC/80W *se
- Delivers regulated 12VDC at 80W to power FT Series terminals without brownout risk.
- External brick design allows field replacement without disturbing the terminal or firmware.
- Supports simultaneous peripheral draw (scanner, MSR, printer) within the 80W power budget.
$104.00 $103.99 Save $0.01The item has been added -
Posiflex
SKU: 21973212101
Posiflex 21973212101 Power Supply 12V DC/120W for XT4015/XT53
- 12V DC 120W power supply for Posiflex XT4015/XT53 terminals
- OEM replacement for Posiflex POS power systems
- Sufficient capacity for terminal and peripheral support
$135.00 $134.99 Save $0.01The item has been added -
Posiflex
SKU: 21973212240
Posiflex 21973212240 Power Supply 12V DC/50W For KS6812
- Delivers 12V DC / 50W output sized precisely for sustained KS6812 operation.
- Purpose-built for Posiflex KS6812, eliminating compatibility guesswork on deployment.
- Stock as a spare unit to restore terminal power quickly and avoid checkout downtime.
$85.00 $84.99 Save $0.01The item has been added -
Posiflex
SKU: 38914054000
Posiflex 38914054000 Assy Bracket BA900/600 W/Psu+ycab TK21
- Integrated 600W PSU eliminates a separate wall supply, simplifying counter deployments.
- Pre-assembled Y-cable harness reduces field wiring time and minimizes miswiring risk.
- BA900/600 bracket mounts the TK21 terminal without custom fabrication on standard counters.
$250.00 $249.99 Save $0.01The item has been added -
Posiflex
SKU: 38914055000
Posiflex 38914055000 Assy Bracket CAD100S W/Psu+ycab+rs TK21
- Posiflex-engineered bracket ensures precise alignment of the CAD100S card dispenser.
- Includes PSU, Y-cable, and RS connection for a complete, single-kit installation.
- Designed specifically for TK21XX series POS terminals with ASI-2500300 integration.
$329.00 $204.99 Save $124.01The item has been added -
Posiflex
SKU: P-PA80WKIT
Posiflex P-PA80WKIT 80W power supply and cable combo
- 80W output supports a Posiflex terminal plus peripheral devices without power starvation.
- Matched power adapter and cable ship together, eliminating mismatched connector risk on-site.
- Single SKU covers power and connectivity, streamlining BOM, inventory, and warranty workflows.
$125.00 $124.99 Save $0.01The item has been added -
Posiflex
SKU: PA300
Posiflex PA300 Power Adapter For MT2100 And MP300
- Dedicated power supply engineered exclusively for Posiflex MT2100 and MP300 terminals.
- Ensures consistent power delivery to POS terminals handling transactions and inventory workflows.
- Verify terminal model before deployment — not compatible with other Posiflex or third-party units.
$45.00 $44.99 Save $0.01The item has been added -
Add to Cart The item has been addedPotter
SKU: PSB-10
Potter PSB-10 Bulk Power Supply
Regulated 24/12VDC supply for multi-door access and surveillance
- Delivers regulated 24VDC at 10A sustained to power multi-door strikes and readers.
- Switch-mode design cuts thermal output and power draw versus linear supplies on 24/7 loads.
- Supervised battery charging (27.3VDC @ 1A) with dual 5A trouble relays for panel supervision.
$753.05 $481.99 Save $271.06The item has been added -
Potter
SKU: PSN-1000E
Potter PSN-1000 Series Intelligent Notification Power Expander
Rack-mount notification expander for Potter access control systems
- Rack-mount form factor (26" × 17.6" × 3.75") fits standard 19" cabinet deployments.
- Offloads notification circuits from the primary controller, reducing electrical stress on core hardware.
- Supports 18 AH battery capacity with ANSI Temporal Code 3 and City Tie output options.
$1,301.55 $827.99 Save $473.56The item has been added -
SDC
SKU: 602RF
SDC 602RF 1 AMP DC Power Controller
1 AMP 24VDC controller for proximity, keypad, and NFC readers via OSDP
- Delivers 1A at 24VDC—sufficient for single-door reader installs without extra PDM.
- OSDP communication replaces Wiegand, enabling interoperable panel and reader integration.
- Supports NFC/13.56MHz and proximity credentials, covering both legacy and mobile access.
$405.00 $247.99 Save $157.01The item has been added -
SDC
SKU: 602RFA
SDC 602RFA 1 Amp Regulated Power Supply
24VDC 1-amp regulated supply for SDC multi-door access control
- Field-selectable 12/24 VDC output delivers stable, ripple-free power to readers and locks.
- Isolated battery charging circuit (13.5/27 VDC, 250 mA) maintains door strikes during outages.
- Built-in fire/emergency release input simplifies code-compliant multi-door access control wiring.
$543.00 $331.99 Save $211.01The item has been added -
SDC
SKU: 631RFA
SDC 631RFA 1.5 AMP 12/24VDC Power Supply
1.5A controller for up to 63 doors with 250K credential support
- Field-selectable 12/24 VDC output at 1.5 A covers strikes, readers, and control logic.
- Isolated battery charging circuit with low-battery disconnect maintains uptime during mains failure.
- Built-in surge protection on input and output lines guards against transients damaging connected hardware.
$534.00 $326.99 Save $207.01The item has been added -
SDC
SKU: 631RFUR-1
SDC 631RFUR-1 1.5-Amp 24VDC Power Supply Controller
24VDC 1.5-amp power supply controller for HID access systems
- Field-selectable 12 or 24VDC output eliminates SKU swaps across mixed-voltage deployments.
- 1.5 A regulated Class 2 output delivers clean DC for strikes, mag-locks, and readers.
- Integrated 250 mA isolated charger supports lead-acid or gel-cell battery backup.
$577.00 $352.99 Save $224.01The 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.