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  • Altronix T1RV3F4 Trove1R enclosure with Altronix/HID Vert

    Altronix

    SKU: T1RV3F4

    Altronix T1RV3F4 Trove1R enclosure with Altronix/HID Vert

    4-door access control kit with integrated power and HID VertX support

    • Manages four independent door access points from a single rack-mounted integration kit.
    • Supervised relay outputs provide fault detection across all four power distribution circuits.
    • Supports Wiegand and IP reader protocols, reducing rewiring when mixing credential hardware.
    $1,681.05 $1,129.99 Save $551.06
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  • Altronix T1SAK34 4-Door Access Power Integration Kit (view 2)

    Altronix

    SKU: T1SAK34

    Altronix T1SAK34 4-Door Access Power Integration Kit

    4-door access power hub with dual 12/24VDC and 6A per channel

    • Distributes 12/24VDC selectable power across 4 doors from a single chassis.
    • 6A output capacity handles simultaneous mag-lock and door-strike loads without derating.
    • Integrated fusing per circuit limits fault propagation and satisfies UL listing requirements.
    $1,061.65 $713.99 Save $347.66
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  • Altronix T1SAK34D Dual-Voltage 12/24VDC 6A Power Supply (view 2)

    Altronix

    SKU: T1SAK34D

    Altronix T1SAK34D Dual-Voltage 12/24VDC 6A Power Supply

    Selectable 12/24VDC 6A supply for security systems with PTC protection

    • Selectable 12VDC or 24VDC output eliminates field rewiring when voltage requirements change.
    • 6A continuous current supports multiple locks, readers, and intercoms on a single supply.
    • PTC resettable overload protection reduces service calls by eliminating blown-fuse replacements.
    $1,057.02 $713.99 Save $343.03
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  • Altronix T1SAK3F4 4-Door Access Control Kit (view 2)

    Altronix

    SKU: T1SAK3F4

    Altronix T1SAK3F4 4-Door Access Control Kit

    4-door access control kit with integrated power distribution and Salto reader

    • Controls four independent door points with per-door authentication and event logging.
    • Bundled PDS8 and VR6 modules deliver centralized power distribution with circuit protection.
    • Ships with eFlow6NB, ACM4, VR6, and PDS8 pre-matched, reducing component selection time.
    $1,101.73 $740.99 Save $360.74
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  • Altronix T1VK3F4 4-Door Access Control Integration Kit (view 3)

    Altronix

    SKU: T1VK3F4

    Altronix T1VK3F4 4-Door Access Control Integration Kit

    4-door access control power kit with HID VertX integration and battery backup

    • Supports 4 independent door outputs at regulated +12VDC via integrated VR6 module.
    • 6A eFlow6NB module provides battery backup with automatic switchover for uninterrupted control.
    • Native HID VertX compatibility simplifies deployment; lifetime warranty covers the full kit.
    $1,066.79 $719.99 Save $346.80
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  • Altronix T24130D 24VAC 100VA Dual-Voltage Transformer - image 2

    Altronix

    SKU: T24130D

    Altronix T24130D 24VAC 100VA Dual-Voltage Transformer

    24VAC 100VA transformer with dual 115/220VAC input for global installations

    • Dual 115/220VAC input eliminates region-specific SKUs across multi-jurisdiction deployments.
    • 100VA output supports 4–6 access control readers or a single alarm panel simultaneously.
    • Open-frame design mounts directly to DIN rail or panel backplate—no bracket required.
    $80.96 $44.99 Save $35.97
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  • Altronix T2428100 100VA Open Frame Transformer

    Altronix

    SKU: T2428100

    Altronix T2428100 100VA Open Frame Transformer

    100VA step-down transformer, 115VAC to 24/28VAC, open frame mount

    • Steps down 115VAC to 24/28VAC at 100VA, powering 4–6 access control devices simultaneously.
    • Open frame design mounts to DIN rail or backplates, reducing labor and hardware in retrofit installs.
    • Compact 2.56"×3.57"×2.25" footprint leaves room for relays and terminals in shared enclosures.
    $81.61 $80.99 Save $0.62
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  • Altronix T2428100220 24VAC or 28VAC 100Va Xfmr 220v (view 2)

    Altronix

    SKU: T2428100220

    Altronix T2428100220 24VAC or 28VAC 100Va Xfmr 220v

    220VAC to 24/28VAC step-down transformer, 100VA for access control

    • Accepts 220VAC input directly, eliminating a pre-stage transformer in international installs.
    • Field-selectable 24VAC or 28VAC output covers both North American and European access control devices.
    • UL Listed, 100VA single-output design with a lifetime warranty for long-term deployment confidence.
    $81.61 $44.99 Save $36.62
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  • Altronix T2428100C 100VA Open Frame Transformer - image 2

    Altronix

    SKU: T2428100C

    Altronix T2428100C 100VA Open Frame Transformer

    100VA step-down transformer, 220VAC input, 24/28VAC selectable output

    • 100VA / 4A output drives access control readers, electric locks, and modules simultaneously.
    • Selectable 24VAC or 28VAC output covers mixed device requirements from a single unit.
    • 220VAC primary input integrates directly into European, Asian, and African mains without pre-conversion.
    $186.38 $185.99 Save $0.39
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  • Altronix T2428100C220 Transformer - 24VAC/100VA (4 amp)

    Altronix

    SKU: T2428100C220

    Altronix T2428100C220 Transformer - 24VAC/100VA (4 amp)

    220VAC to 24/28VAC open frame transformer, 100VA/4A for enclosures

    • Accepts 220VAC mains (50/60 Hz), eliminating step-down converters in EU/international sites.
    • Dual 24/28VAC output at 4A supports legacy access control and modern IP cameras from one unit.
    • Open frame design mounts directly in enclosures, cutting footprint and wiring complexity.
    $192.76 $105.99 Save $86.77
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  • Altronix T2428100CP 100VA Transformer Enclosure

    Altronix

    SKU: T2428100CP

    Altronix T2428100CP 100VA Transformer Enclosure

    100VA step-down transformer, 220VAC to 24/28VAC with fused protection

    • Steps down 220VAC to 24/28VAC at 100VA, covering mid-range access control loads.
    • Fused secondary protection limits fault damage to downstream devices and wiring.
    • Integrated enclosure simplifies mounting and wiring for intercoms and electric strikes.
    $206.31 $113.99 Save $92.32
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  • Altronix T2428175 Open Frame Transformer 175VA (view 3)

    Altronix

    SKU: T2428175

    Altronix T2428175 Open Frame Transformer 175VA

    175VA step-down transformer for access control and security systems

    • 115VAC primary steps down to 24VAC or 28VAC, covering mixed-voltage device installations.
    • 175VA capacity at 7.25A supports multiple door strikes, mag-locks, and auxiliary loads.
    • Open frame design integrates directly into enclosures and control panels without added housing.
    $185.99
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  • Altronix T2428175C 24/28VAC 175VA Open Frame Transformer - image 2

    Altronix

    SKU: T2428175C

    Altronix T2428175C 24/28VAC 175VA Open Frame Transformer

    115VAC to 24/28VAC open frame transformer, 175VA for security systems

    • Selectable 24VAC or 28VAC secondary lets one unit serve dual-voltage security loads.
    • 175VA output capacity handles access control panels and alarm systems simultaneously.
    • Open frame construction simplifies integration into custom enclosures and control cabinets.
    $272.84 $271.99 Save $0.85
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Power & UPS

Power is the foundation of every surveillance, access-control, and network system. Centralized, supervised, battery-backed power keeps cameras recording, doors locking, and switches forwarding during outages and surge events. Choose components sized for your load — recorder UPS, camera supplies, PoE midspans, surge protection — and your system runs through the events that take down unmanaged installations.

Plan a Reliable Power System

  • Sized power supplies — 12V or 24V DC sized to total device load plus 25% headroom for spin-up, aging, and expansion.
  • UPS & battery backup — runtime sized to your outage profile, with managed shutdown for NVRs and access controllers.
  • PoE budgets — 802.3af, at, and bt midspans/switches sized for total port load, not just per-port maximum.
  • Surge protection & grounding — at the building entrance and at outdoor camera locations exposed to lightning.
  • Distribution & redundancy — rack PDUs, DIN-rail supplies for industrial cabinets, and dual-source feeds for life-safety loads.

Shop by Category

UPS & Battery Backup
Rack-mount and tower UPS units sized to NVR, switch, and controller load — line-interactive and double-conversion topologies for clean recovery.
Power Supplies
12V DC and 24V DC supplies for camera and access-control panels — sized by current draw with 25% headroom for surge and expansion.
PoE Injectors & Midspans
802.3af, 802.3at, and 802.3bt midspans for legacy switches — 15W to 90W per port for PTZ cameras, displays, and high-power readers.
Rack Power Supplies
19-inch chassis with distributed outputs — PTC fused, supervised, and battery-backup ready for multi-camera or access-control deployments.
DIN Rail Power Supplies
Industrial DIN-rail supplies for control cabinets — wide-range AC input, redundant pairing, and temperature-rated for harsh environments.
Power Delivery & Supplies
Centralized distribution panels, surge protection, and grounding products for organized, code-compliant low-voltage installations.
Surge Protectors
Inline Ethernet, coax, and AC surge suppressors for outdoor cameras, antenna runs, and equipment-room protection — critical for rooftop and pole-mount installations.

Featured Brands

Buyer FAQ

How do I size a UPS for my surveillance system?
Add up the wattage of every device on the UPS — recorder, switch, monitor, controller, and PoE budget for the cameras — then add 25% headroom for spin-up and aging. Multiply by your target runtime (typically 15–30 minutes for managed shutdown, 4–8 hours for site continuity) to pick a VA rating. Our team can review your bill of materials and recommend a model — submit details via the contact form.
What's the difference between PoE, PoE+, and PoE++?
PoE (802.3af) delivers up to 15.4W per port — fine for fixed-lens cameras and basic readers. PoE+ (802.3at) lifts that to 30W — covers PTZ heaters, IR illuminators, and most multi-sensor cameras. PoE++ (802.3bt Type 3/4) runs up to 60W or 90W per port for high-power thermal cameras, displays, and access-control controllers. Pick a switch or midspan whose total budget covers the sum of per-port loads, not just the per-port maximum.
Why use a midspan instead of a PoE switch?
When you have an existing non-PoE switch you want to keep, a midspan (PoE injector) adds power without replacing the switch. Midspans also help when you need to upgrade a few high-power ports (60W or 90W) without buying an entire 802.3bt switch.
Do I need surge protection on outdoor cameras?
Yes — outdoor Ethernet runs collect induced energy during nearby strikes even when the camera isn't directly hit. Inline PoE surge protectors at the camera (or at the building entry) clamp the spike and protect the recorder/switch. Critical for any pole-mount or rooftop deployment.
How do I plan power for an access-control system?
Each door typically needs 1–2A at 12V DC (controller + reader + lock + REX). Multiply by door count, then size a supervised power supply (Altronix, Lifesafety) with battery backup matched to UL 294 / NFPA 72 hold-up time for your jurisdiction. Our Senior Specialist team has working integrators who size these systems daily.

Need help sizing your system?

Our team includes working integrators who size camera-system power, PoE budgets, and access-control supplies daily. Send your bill of materials, recorder count, and target runtime — we'll recommend the right UPS, supply, and midspans before you order.

Quick links to guides

Datacenter UPS Sizing Guide
Size a datacenter UPS in kW vs kVA, profile load, pick N+1 or 2N redundancy, and plan for AI rack densities of 40-100+ kW. Vert...
UPS Topology: Online vs Line-Interactive vs Offline
Compare online double-conversion vs line-interactive vs standby UPS topology. Selection matrix by use case, true cost trade-off...
Rack PDU Buyer's Guide
Basic, metered, monitored, switched PDU - and when each one earns its place. Plug references, phase config, dual-cord, brand co...
PoE Power Budget Planning
Size your PoE switch for surveillance and access control. PoE class reference, camera-count-by-wattage table, worked deployment...
Battery Backup Runtime Calculator
Free UPS runtime calculator. Enter load, battery voltage and Ah, chemistry (VRLA / lithium), depth of discharge, temperature. G...