Relays & I/O Interfaces
Showing Results for Relays & I/O Interfaces
-
Axis
SKU: 02553-001
Axis T6101 Mk II Audio I/O Interface - 02553-001
Audio and I/O interface for Axis cameras with two-way audio
- One audio input and output with 3.5 mm terminal block for microphones and speakers
- One alarm input and output relay for sensor and control integration
- Powers via camera output or external PoE for flexible deployment
In stock · Ships same business day$149.00 $143.99 Save $5.01 -
Hanwha
SKU: SPM-4210
Hanwha SPM-4210 Network I/O Box
Compact network I/O box with 4 alarm ports, audio I/O, and PoE power
- 4 configurable alarm ports with 12V DC output (50mA max) for sensors and relays
- Selectable mic or line-level audio input; line-level output for two-way audio
- 10/100BASE-T Ethernet with PoE power; draws 4.5W maximum via IEEE 802.3af
In stock · Ships same business day$265.00 $198.99 Save $66.01 -
Axis
SKU: 02861-001
Axis 02861-001 Network I/O Relay Module
Network I/O relay module with PoE power and dual-protocol integration
- 2 alarm inputs, 5 outputs, and 1 Form C relay for legacy equipment control
- PoE Class 4 operation eliminates separate power infrastructure requirements
- 3 digital I/O ports support sensors and environmental monitoring integration
$379.00 $366.99 Save $12.01 -
Axis
SKU: 0820-001
Axis A9188 Network I/O Relay Module - 0820-001
8-input, 8-relay network module for access control and alarm automation
- 8 form C relay outputs control locks, lights, and external devices via network
- Supervised inputs with fault detection and tampering alerts for system integrity
- PoE+, 12V DC, or 24V DC power options with VAPIX API for third-party integration
In stock · Ships same business day$679.00 $657.99 Save $21.01 -
Axis
SKU: 5801-141
Axis A9801 Security Relay Box - 5801-141
Tamper-detecting relay box for Axis door stations and electronic locks
- Detects unauthorized access attempts to wiring and connections
- Mounts on secure side of door to protect lock control signals
- Compatible with Axis network video door station ecosystems
In stock · Ships same business day$139.00 $133.99 Save $5.01 -
Altronix
SKU: 6030
Altronix 6030 Programmable Timer Relay Module
Programmable timer relay, 1-second to 60-minute range, 6/12VDC input
- Single SPDT relay output rated 8A/120VAC or 28VDC for siren cutoff and dialer delay
- Repeat mode for pulse/flasher operation; guard tour supervisory timer capable
- Low 3mA standby draw, compact 3" × 2.5" board, -25°C to 55°C operating range
$25.09 $24.99 Save $0.10 -
Altronix
SKU: 6062
Altronix 6062 Programmable Timer Relay Module
Compact dial-set timer relay, 1 sec–60 min, 12/24VDC selectable
- Adjustable timing from 1 second to 60 minutes without reprogramming
- 8A relay contact rated for 120VAC or 28VDC with dual voltage input
- Responds to DC voltage, dry contact closure, or contact removal triggers
In stock · Ships same business day$39.31 $38.99 Save $0.32 -
Altronix
SKU: AL600ULB
Altronix AL600ULB 12VDC/24VDC 6A Timer/Relay Module
28VAC-to-12/24VDC board module with 6A output and battery backup
- Selectable 12VDC or 24VDC output via jumper; 6A max current for multiple devices
- AC fail and battery presence supervision; UL294 and UL1481 fire alarm rated
- Accepts standard 28VAC transformer input; supports sealed lead acid battery backup
$259.49 $258.99 Save $0.50 -
Altronix
SKU: AL802ULADAJ
Altronix AL802ULADAJ NAC Power Extender 24VDC 8A Relay Module
24VDC NAC extender with 8A output for distributed fire alarm zones
- Flexible configuration: 2 Class A, 4 Class B, or mixed circuits per zone
- 8A total at 24VDC with 2.5A max per circuit; regulated output prevents sag
- Dual NC dry contact inputs (8–30VDC) route signals to separate building zones
In stock · Ships same business day$736.06 $444.99 Save $291.07 -
Altronix
SKU: DL1
Altronix DL1 Door Control Timer Relay Module
Timer relay module for door strike and access control timing
- 12–24 VAC/VDC input with adjustable 5V–24V trigger output
- Compact relay module integrates into security control panels
- Coordinates door hold times and release cycles in multi-door systems
$55.62 $0.99 Save $54.63 -
Altronix
SKU: PT724A
Altronix PT724A 365-Day Event Timer Relay Module
365-day rack-mount timer relay with battery backup for access control
- Programs annual event cycles with 24-hour resolution—no external software required.
- Accepts 12/24 VDC or 12/24 VAC input, bridging legacy AC and modern DC cabinets.
- Integrated battery backup sustains timer scheduling through mains or DC supply loss.
In stock · Ships same business day$163.00 $147.99 Save $15.01 -
Altronix
SKU: RAC24
Altronix RAC24 24VAC DIN Rail Relay Module
24VAC DIN rail relay for 10A switching at 220VAC or 28VDC
- DPDT contacts switch 10A at 220VAC or 28VDC, handling strikes and gate operators directly.
- 24VAC / 45mA control input isolates logic circuits from high-voltage or DC load circuits.
- 35mm DIN rail mount fits standard panels; UL Listed for life-safety and AHJ-compliant installs.
$32.67 $31.99 Save $0.68 -
Altronix
SKU: RB1224
Altronix RB1224 12/24VDC DPDT Relay Module
Dual-voltage DPDT relay module for access control and low-voltage switching
- Accepts 12VDC or 24VDC input, eliminating separate modules across mixed power rails.
- DPDT 5A contacts switch loads up to 220VAC or 28VDC for locks and door holders.
- Enclosure-mount form factor integrates directly into standard security panel cabinets.
In stock · Ships same business day$21.10 $20.99 Save $0.11 -
Altronix
SKU: RB30
Altronix RB30 Single-Pole Relay Module 30A
30A single-pole relay module for 12/24VDC control across multiple output voltages
- Switches up to 30A loads—strikes, maglocks, and gate operators—without derating.
- Accepts 12VDC or 24VDC control input, bridging mixed-voltage panel architectures cleanly.
- Three output options (28VDC, 120VAC, 277VAC) cover low-voltage, standard, and high-voltage circuits.
In stock · Ships same business day$33.26 $32.99 Save $0.27 -
Altronix
SKU: RB5
Altronix RB5 5A DPDT Relay Module
5A DPDT relay module for 6/12VDC access control and alarm switching
- Accepts 6VDC or 12VDC input, covering both common low-voltage control rails.
- DPDT contacts switch up to 5A at 220VAC or 28VDC for locks, strikes, and gates.
- Lifetime warranty backs long-term deployment in access control and alarm panels.
In stock · Ships same business day$20.91 $19.99 Save $0.92 -
Altronix
SKU: RB524
Altronix RB524 24VDC DPDT Relay Module 5A
24VDC dual-circuit relay module, 5A per circuit, AC/DC output
- DPDT design delivers two fully isolated 5A circuits for simultaneous load control.
- Switches 220VAC or 28VDC output, bridging legacy and modern hardware in one module.
- 24VDC control input integrates directly with standard access control panels and supplies.
In stock · Ships same business day$21.29 $18.99 Save $2.30
Relays & I/O Interfaces
Relays and I/O interfaces enable integration between surveillance, access control, and external systems. These components support automation, alarm triggers, door control, and system expansion within commercial security deployments.
Plan Your Deployment
- Input and output channel requirements
- Voltage and load compatibility
- Integration with cameras, NVRs, or control panels
- Automation and trigger event planning
- Expansion capacity for future system growth
Relays & I/O Interfaces — Engineering-Grade Installation Accessories for Commercial Deployments
This category covers 38 working models of relays & i/o interfaces 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
Compatibility comes first. Mounting brackets, housings, and adapters are specific to the camera or device they support — the same manufacturer often makes parallel lines that don't share accessories. Verify the part number against the camera/device datasheet or compatibility list before ordering. Installation labor consumed troubleshooting a mismatched mount is the most common rework on commercial jobs.
Environmental rating determines material and finish. Indoor accessories typically use steel or aluminum with a powder-coat finish; outdoor accessories need stainless steel or specifically-rated coastal-grade finishes for salt-air resistance. UV exposure degrades plastic over years; choose UV-stabilized polymers or metal for sun-exposed installs. Plan for replacement at year 7-10 on outdoor plastic accessories.
Mounting load capacity must exceed device weight by a healthy margin. Camera weight, housing weight, and any wind loading on PTZs combine. Wall, ceiling, and pole mounts each have rated maximum loads — check before specifying. Pole-mount and pendant-mount installations need conduit, junction boxes, and weather-sealing that aren't always specified in the camera kit.
Wire management and accessibility for service get overlooked in early planning. Bottom-loaded cable entry in housings, swing-out mounting plates, and accessible junction boxes save hours when a camera needs service. Cheap mounts that require complete dismount to access cables drive labor cost up at every service call. Specify service-friendly mounting hardware on installs you expect to service for 10+ years.
Key Specs in This Category
| Spec | Available Options |
|---|---|
| IP Rating | IP66 |
| Power | 24VDC, AC/DC, PoE+, PoE, 12VDC, 24VAC, 48VDC |
| Channels | 128 |
| Type | Relay Module, Power Supply, Network Sound Projector, I/O Box |
Top Brands in This Category
Frequently Asked Questions
Will this mount work with my camera?
Mounts are camera-specific in most cases. The product description and manufacturer's compatibility list are the authoritative source. If you're not certain, send the camera model and the mount part number to our Senior Specialists; we'll confirm compatibility before you order. Returning a mismatched mount after installation labor is significantly more expensive than checking up front.
Do I need a junction box?
For most outdoor and exposed-conduit camera installs, yes — junction boxes house cable terminations and protect splices from weather. The camera's mounting requirements often specify the junction-box size and material. Some camera-and-mount combinations integrate the junction box into the mount; others require a separate box. Confirm before ordering to avoid pulling cable into an installation that can't accept it.
What's the difference between a wall mount and a pendant mount?
Wall mounts attach to vertical surfaces and project the camera outward. Pendant mounts attach to ceilings or overhead structures and suspend the camera below. Pole mounts are a specialized wall mount for poles. Choose by the mounting surface available and the field-of-view orientation required; many cameras work in any mount with the right adapter.
Are stainless steel mounts worth the extra cost?
For outdoor coastal installs (within ~5 miles of saltwater), yes — galvanized steel rusts visibly within 2-3 years in coastal air. For inland outdoor, marine-grade is overkill; powder-coated galvanized lasts 10+ years. For corrosive industrial environments (chemical plants, wastewater), stainless steel or specifically-rated coatings extend service life dramatically. Match the material to the environment, not the budget pressure.
Can I use one brand's mount with another brand's camera?
Sometimes — many mounts accept standard mounting patterns (¼-20 thread, M6 pattern, VESA spacing) and cross brands. Manufacturer-specific cast housings rarely do. Check the mount's hole pattern and weight rating against the camera's specs. When in doubt, use the camera manufacturer's recommended mount; cross-brand savings on mounts are typically small and the warranty implications of mismatched hardware aren't worth the risk.
Need help choosing? Talk to a Senior Specialist — direct line 877-277-7147 or request a quote.