Power Supplies for Surveillance & Access Control Systems

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

Showing Results for Power Supplies

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Pelco

SKU: ONXPS2B

Pelco ONXPS2B 230Vac to 24Vac Power Supply

230Vac to 24Vac regulated supply for Pelco ONX cameras
- Converts European 230Vac mains to stable 24Vac output for ONX systems
- Compact enclosure-mount design for professional surveillance installations
- Integrated voltage regulation and current management for camera accessories
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$46.16 $33.99 Save $12.17

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Pelco

SKU: ONXWPS1B

Pelco ONXWPS1B Power Supply 100-240Vac to 12Vdc

Universal 100–240Vac to 12Vdc supply for Pelco NXW/NTW housings
- Wide-range AC input eliminates voltage selector configuration needs
- 12Vdc regulated output supports NXW and NTW-series camera housings
- NDAA Section 889 compliant for government and enterprise deployments
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$54.83 $40.99 Save $13.84

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Pelco

SKU: PD-9001GR/AT/AC-NA-MSI

Pelco PD-9001GR/AT/AC-NA-MSI PoE+ Midspan Injector 30W

Single-port PoE+ injector adds 30W power to non-PoE switches
- IEEE 802.3at PoE+ up to 30W for isolated camera additions
- Gigabit Ethernet connection with North American AC cord included
- Compact midspan design for rapid deployment without switch replacement
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$321.99

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Pelco

SKU: PD-9501GR/AC-NA-MSI

Pelco PD-9501GR 60W PoE+ Injector

60W single-port PoE+ injector for high-power surveillance cameras
- Delivers 60W per port over Gigabit Ethernet for heated housings and IR arrays
- RJ-45 connector integrates into existing Ethernet infrastructure without switches
- Indoor installation with ventilated mounting supports commercial security deployments
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$169.00 $124.99 Save $44.01

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Pelco

SKU: POE130-ATUS

Pelco POE130-ATUS 130W PoE Power Supply

130W PoE injector for high-power PTZ cameras and heated housings
- 130W single Ethernet cable delivery powers PTZ cameras with heaters and IR
- NDAA Section 889 compliant for government and regulated deployments
- Indoor installation with ventilation; North American power cord included
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$135.79 $99.99 Save $35.80

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Pelco

SKU: POE2436-AT 24

Pelco POE2436-AT 24-Port PoE+ Midspan Injector

24-port PoE+ midspan injector, 36W per port, inline upgrade path
- 24 independent 802.3at PoE+ ports deliver 36W each for fixed domes and turrets
- Inline midspan design integrates between existing switch and cameras—no replacement needed
- AC or DC power input options; NDAA Section 889 compliant for government use
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$2,361.79 $1,736.99 Save $624.80

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Pelco

SKU: POE2436-ATUS

Pelco POE2436-ATUS 24-Port PoE+ Midspan Injector

24-port PoE+ midspan injector for non-PoE switches
- IEEE 802.3at PoE+ powers 24 devices simultaneously without switch replacement
- PD-9024G platform architecture for spare-parts compatibility across Pelco systems
- NDAA Section 889 compliant for federal, state, and critical infrastructure projects
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$2,361.79 $1,736.99 Save $624.80

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Pelco

SKU: POE430-ATUS

Pelco POE430-ATUS 4-Port 30W PoE+ Midspan Injector

4-port PoE+ midspan injector adds 30W power to existing switches
- 30W per port IEEE 802.3at PoE+ supports standard IP cameras inline
- Plug-and-play installation between switch and cameras, no configuration
- NDAA Section 889 compliant for government and regulated deployments
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$589.89 $433.99 Save $155.90

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Pelco

SKU: POE60U-1BTE

Pelco POE60U-1BTE 60W PoE++ Single Port Injector

60W PoE++ single-port injector for high-power IP cameras
- Delivers 60W per port via 802.3bt with intelligent power negotiation
- Backward compatible with 802.3af and 802.3at devices up to 13W
- Gigabit Ethernet connection supports multi-megapixel video streaming
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$185.85 $130.99 Save $54.86

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Pelco

SKU: POE90U-1BT

Pelco POE90U-1BT 90W PoE++ Injector

90W PoE++ injector for high-power surveillance gear on Cat5e/Cat6
- 90W IEEE 802.3bt output powers PTZ cameras, multi-sensors, and thermal units
- Single-port design eliminates cable clutter and simplifies dense installations
- Backward compatible with 802.3af/at devices; auto-negotiates power levels
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$285.69 $210.99 Save $74.70

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Pelco

SKU: PWRCRD-R-US

Pelco PWRCRD-R-US Round US Power Cord

Round US power cord with NEMA 5-15 plug for dense rack installations
- 120 Vac rated with round jacket profile minimizes cable bulk in tight spaces
- NEMA 5-15 plug connects to standard outlets and UPS power distribution systems
- NDAA Section 889 compliant for government and regulated security deployments
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$28.94 $21.99 Save $6.95

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Pelco

SKU: PWRCRD-S-US

Pelco PWRCRD-S-US Standard US Power Cord

Standard US power cord for Pelco surveillance systems, NEMA 5-15
- NEMA 5-15 connector rated for 120 Vac outlets and UPS outputs
- NDAA Section 889 compliant for government and regulated deployments
- Compatible with Pelco camera systems and surveillance appliances
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$28.94 $21.99 Save $6.95

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Pelco

SKU: RC-PSB1-N

Pelco RC-PSB1-N Power Supply for Oculus Aeron

Regulated DC power supply for Oculus and Aeron cameras without PoE
- Matched power output for stable operation in Pelco Oculus/Aeron series
- NDAA Section 889 compliant for government and institutional deployments
- Requires enclosure with ventilation; non-PoE installations only
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$840.00 $434.99 Save $405.01

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Pelco

SKU: SURGEPR

Pelco SURGEPR In-Line PoE Surge Protector

In-line PoE surge protector for 802.3af/at/bt outdoor cameras
- Suppresses lightning and electrical surges with required ground connection
- Pass-through design maintains full PoE power and data to Cat5e/Cat6 cameras
- IP66 rated outdoor housing; NDAA Section 889 compliant for government use
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$291.16 $214.99 Save $76.17

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Pelco

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
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$269.01 $184.99 Save $84.02

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Potter

SKU: PSB-10

Potter PSB-10 Bulk Power Supply

Regulated 24/12VDC supply for multi-door access and surveillance
- Selectable 24VDC or 12VDC output for access readers and strike locks
- DIN rail and surface-mount compatible for flexible enclosure integration
- Works with Potter panels and third-party control systems in one unit
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$753.05 $561.99 Save $191.06

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What to Look For When Buying

The decisions that matter most before you spec.

Amperage & Load Planning

Size your supply at 120–130% of peak load to avoid thermal shutdown and extend component life. A 24V system with five 5A devices (25A nominal) needs a 32A or 40A supply. Under-sizing is a leading cause of system failure during peak demand.

Redundancy for Life-Safety & Access Control

Single supplies fail without warning. Dual-supply designs or UPS-backed configurations ensure doors unlock and intercoms function during power anomalies. Redundancy is required by code in many jurisdictions for egress and emergency communication.

Voltage Selection & Device Compatibility

Most locks, readers, and access points run 12V or 24V; cameras vary widely. Verify every device's rated voltage before specifying. Mixing 12V and 24V systems in one cabinet requires isolated supplies or regulators to prevent cross-voltage damage.

PoE Power Budget Constraints

Standard PoE (802.3af) supplies 15.4W per port; PoE+ (802.3at) 30W; High Power (802.3bt) up to 95W. A 24-port switch can deliver only ~375W total, easily exhausted by dense camera and access-point deployments. Injectors and midspans extend capacity.

Environmental & Mounting Constraints

Outdoor cabinets and damp enclosures require sealed, conformal-coated supplies rated for temperature extremes (−20 to +70°C typical). DIN-rail mounting saves space; enclosed supplies offer better noise isolation and thermal dissipation in server rooms.

Vendor Selection & Lead Times

Brands like Honeywell, Speco Technologies, and HES dominate access-control power; Pelco and Digi International focus on surveillance and networking. Verify manufacturer support, warranty, and stock availability before design lock-in.

Technology Stack

The specs and acronyms that actually affect power supplies performance.

DC Voltage Regulation & Ripple

Quality supplies hold output within ±5% of rated voltage under load variations and input sags. Ripple (AC noise superimposed on DC output) should be <2% peak-to-peak; excessive ripple causes camera image noise and lock chatter. Look for ±5V, ±12V, ±24V stability specs in datasheets.

Current Rating & Amperage Classes

Expressed in Amps (A) at rated voltage—e.g., 24V/5A, 24V/10A, 24V/40A. Higher amperage doesn't mean faster devices; it determines how many devices can draw simultaneously. Always check individual device current draw in milliamps (mA) and sum peak totals, not averages.

Power Factor & Input Voltage Range

Industrial supplies accept 100–240V AC input (worldwide compatible) and deliver regulated DC output. Power factor >0.9 reduces heating and helps avoid utility surcharges. Check input range to ensure compatibility with generators and unclean site power.

Short-Circuit & Fuse Protection

Integral fusing (fast or slow blow) and electronic current limiting protect the supply and downstream wiring from overcurrent events. Some supplies auto-recover; others latch off and require manual reset. Verify protection mode and response time for your application.

UPS Integration & Holdup Time

Supplies with integral or stackable battery backup maintain output for 5–60 minutes during AC loss, bridging the time for graceful shutdown or backup power activation. Holdup time (hold-up capacitor reserves) is separate; typical range 10–50 ms.

PoE (Power over Ethernet) Standards

802.3af (Type 1) = 15.4W, 802.3at (Type 2/PoE+) = 30W, 802.3bt (Type 3/4, High Power) = 60–95W. Injectors and midspan splitters add PoE to non-PoE switches. Always verify endpoint compliance and total switch/injector budget vs. connected device demand.

Typical Deployment Scenarios

Small Office Access Control (Single Door)

One 12V/5A regulated supply feeds an electric strike lock, RFID reader, and request-to-exit button. Total load ~2A. A simple wall-mount supply with integral fuse handles this; add a surface-mount enclosure in humid areas. Budget: 1 supply, 1 backup fuse kit.

Mid-Size Surveillance Closet (16 IP Cameras + NVR)

A 24V/20A regulated DIN-rail supply powers four 5A PoE injectors (one per four cameras), plus the NVR's 24V auxiliary input. If cameras are all PoE-enabled and the switch is remote, injectors bridge the gap. Add a second supply for redundancy and a UPS battery module for 10-minute hold-up.

Multi-Building Campus with Distributed Access (8 Doors, 24 Cameras)

Each building requires a local 24V/10A supply (for locks, readers, intercoms) plus one or two PoE injectors per camera cluster. Cabinet-mounted DIN-rail supplies with integral breakers minimize field wiring. Specify weatherproof outdoor enclosures for exterior cabinets; trunk all power back to a central UPS for life-safety compliance.

High-Density Server & Intercom Integration

A redundant 24V/40A supply pair feeds six 24V devices (intercoms, door controllers, call stations) and distributes 12V to analog sensors via a buck regulator. Modular or multi-output supplies reduce cable clutter. Proper conduit routing and junction boxing maintain code compliance and thermal management.

Frequently Asked Questions

What size power supply do I need for my system?

Add up the current draw (in milliamps or amps) of every device connected to that supply—cameras, locks, readers, intercoms. Multiply by 1.25 (safety factor) and round up to the next standard supply size (e.g., 5A, 10A, 20A, 40A). Always verify supply and load voltage match exactly.

Can I use one power supply for mixed 12V and 24V devices?

No. Single outputs are isolated; mixing voltages risks damage. Use separate regulated supplies for each voltage, or a multi-output supply with isolated rails. If you must share a cabinet, use a buck converter (24V down to 12V) downstream of a 24V primary supply, but size the primary for total current demand.

What's the difference between a regular power supply and a UPS-backed supply?

A regular regulated supply converts AC to clean DC and stops when AC fails. A UPS-backed supply includes integral or stackable battery modules that maintain DC output for minutes after AC loss, allowing orderly shutdown or switchover to backup power. Essential for access control and emergency intercoms.

Do I need a PoE injector if my switch already has PoE?

Not necessarily, but injectors solve two common problems: (1) extending PoE to non-PoE switches, and (2) supplementing insufficient switch PoE budget. A 24-port PoE+ switch can only deliver ~375W total; dense deployments often need additional injectors per camera cluster. Plan your PoE budget carefully upfront.

What does ±5% voltage regulation mean?

The supply guarantees output stays within ±5% of rated voltage (e.g., 24V ±1.2V = 22.8–25.2V) across load and input variations. Tighter specs (±3%) cost more but reduce noise and improve camera image stability. Cameras typically tolerate ±10%; locks are pickier (±5% or better).

How do I mount a power supply in an outdoor cabinet?

Use a DIN-rail mounted supply inside an IP65-rated enclosure. Ensure the enclosure has ventilation or a thermostat fan to keep internal temperature below the supply's rating (typically 70°C max). Add a surge protector or SPD at the AC input, and run conduit from the cabinet to devices using conduit adapters and gang plates for strain relief.

Power Supplies

Plan Your Deployment

Showing Results for Power Supplies

Pelco ONXPS2B 230Vac to 24Vac Power Supply

Pelco ONXWPS1B Power Supply 100-240Vac to 12Vdc

Pelco PD-9001GR/AT/AC-NA-MSI PoE+ Midspan Injector 30W

Pelco PD-9501GR 60W PoE+ Injector

Pelco POE130-ATUS 130W PoE Power Supply

Pelco POE2436-AT 24-Port PoE+ Midspan Injector

Pelco POE2436-ATUS 24-Port PoE+ Midspan Injector

Pelco POE430-ATUS 4-Port 30W PoE+ Midspan Injector

Pelco POE60U-1BTE 60W PoE++ Single Port Injector

Pelco POE90U-1BT 90W PoE++ Injector

Pelco PWRCRD-R-US Round US Power Cord

Pelco PWRCRD-S-US Standard US Power Cord

Pelco RC-PSB1-N Power Supply for Oculus Aeron

Pelco SURGEPR In-Line PoE Surge Protector

Pelco WCS1-4 Single-Output Camera Power Supply 4A

Potter PSB-10 Bulk Power Supply

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What to Look For When Buying

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