Relays & I/O Interfaces
Showing Results for Relays & I/O Interfaces
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Camden
SKU: CX-IRB-6
Camden CX-IRB-6 Isolation Relay Module (6-Pack)
- Optical isolation blocks 24VDC switching transients from damaging TCP/IP control circuits.
- Direct Ethernet control removes parallel wiring harnesses in distributed cabinet layouts.
- Six-module pack covers small-to-medium multi-door deployments from a single order.
$156.99The item has been added -
Add to Cart The item has been addedCamden
SKU: CX-IRB
Camden Isolation Relay Module - CX-IRB
- DPDT architecture provides four contact states (N.O./N.C. per pole) from one module.
- Jumper-selectable 12/24 VDC input eliminates dual-SKU stocking across mixed voltage sites.
- 40 mA draw at both voltages safely sources from low-power access control buses.
$26.99The item has been added -
Code Blue
SKU: CB6S00163
Code Blue CB6S00163 BSL RAs NP 24v Relay Module
- Operates on 24V DC, fitting cleanly into standard low-voltage security panel power supplies.
- Functions as a switching interface for paging amplifiers and audio distribution equipment.
- Drop-in replacement component maintains compatibility with existing Code Blue system installations.
$750.00 $649.99 Save $100.01The item has been added -
Add to Cart The item has been addedELK Products
SKU: ELK-91212
ELK Products ELK-91212 SPDT Relay Module 12VDC
12VDC SPDT relay module for door strike and magnetic lock control
- SPDT relay module switches one strike NO or NC on the same coil
- 12VDC operation for fail-safe and fail-secure door strike control
- Drops into ELK M1 Gold panel for one-relay door logic switching
$129.99The item has been added -
Add to Cart The item has been addedELK Products
SKU: ELK-912B6
ELK Products ELK-912B6 SPDT Relay Module 12VDC
12VDC SPDT relay module for access control and alarm routing
- SPDT relay module routes one signal to either of two circuits
- 12VDC coil drives door strike, alarm, or automation logic switching
- Compact relay PCB for in-cabinet ELK panel integration
$108.99The item has been added -
Add to Cart The item has been added
ELK Products
SKU: ELK-M1RB
ELK Products M1 Relay Board M1Rb - ELK-M1RB
- M1 relay output expansion adds switched loads to ELK panels
- Drives extra door strikes, maglocks, fans, lights, or sirens
- Direct M1 panel integration - no external gateway needed
$173.99The item has been added -
HES
SKU: RB-4-24
HES RB-4-24 Relay Board 24VDC
24VDC relay board for HES access control system expansion
- Auxiliary relay switching outputs for electric door locks and devices
- Compatible with HES power supplies and control modules
- Mounts in control rooms and equipment racks for multi-door deployments
$164.00 $163.99 Save $0.01The item has been added -
Honeywell
SKU: 4204
Honeywell 4204 Relay Module
Board-level wireless sensor module with direct 12VDC control panel power
- Powers directly from 12VDC control panel aux output—no separate supply needed.
- Board-level form factor integrates cleanly into standard control panel enclosures.
- Rated 0°C to 50°C supports deployment in climate-controlled security environments.
$9.87 $8.99 Save $0.88The item has been added -
Kantech
SKU: KT-RM1
Kantech KT-RM1 External Isolation Relay Module
External relay isolation module for KT-300 systems with IP67 protection
- External SPDT isolation relay for auxiliary loads
- IP67 sealed enclosure for outdoor exposure
- Isolates noise from main access control logic
$24.00 $23.99 Save $0.01The item has been added -
Kantech
SKU: SA-RM56
Kantech SA-RM56 Relay Module
Relay module expansion for SA-550, SA-500, and SA-600 control units
- Standalone relay expansion for SA-550/500/600 platforms
- Adds output capacity without replacing host unit
- Direct interconnect to Kantech control infrastructure
$55.00 $54.99 Save $0.01The item has been added -
Add to Cart The item has been addedPotter
SKU: PAM-1
Potter PAM-1 Multi-Voltage Relay Module
Compact relay module with 10A SPDT contacts and multi-voltage input
- 10A form-C (SPDT) contacts switch locks, solenoids, and alarm outputs without external relays.
- Multi-voltage input with diode protection guards against reverse polarity across control circuits.
- UL864-rated module ships pre-wired with 18 AWG leads and hardware for fast cabinet installation.
$33.99The item has been added -
Add to Cart The item has been addedPotter
SKU: PAM-4
Potter PAM-4 Polarized Relay Module
Polarized relay module for access control and door strike switching
- Polarized coil rejects reverse-polarity wiring, eliminating silent mis-connection faults.
- Supports 12VDC and 24VDC control circuits for flexible panel integration.
- Isolates load circuits from control panels, protecting main relay capacity across door zones.
$32.99The item has been added -
SDC
SKU: UR-1
SDC UR-1 Universal Relay Board Controller
24VDC relay controller for HID access control door strikes and locks
- Single 24VDC supply powers both controller and strike hardware, reducing wiring runs.
- Supports 12VDC and 24VDC strikes and mag-locks, covering mixed door hardware inventories.
- HID-native design ensures predictable reader, keypad, and panel integration without tuning.
$129.00 $128.99 Save $0.01The item has been added -
Speco Technologies
SKU: BNCVGAHR
Speco BNCVGAHR Composite to VGA Video Converter
BNC composite to VGA converter with dual outputs up to 1280×1024@60Hz
- Converts legacy BNC composite cameras to VGA displays without replacing cameras
- Simultaneous VGA and BNC outputs support both modern monitors and CRT displays
- Auto AGC and OSD controls adjust brightness, contrast, color, and resolution on-the-fly
$223.30 $222.99 Save $0.31The item has been added -
Speco Technologies
SKU: HD4MAT
Speco Technologies HD4MAT HDMI 4 to 2 Matrix Switch
4-to-2 HDMI matrix switch for independent dual-display routing
- Route any of 4 HDMI inputs to 2 outputs independently, no software needed
- Full HD 1920x1080 resolution across both simultaneous display outputs
- Plug-and-play operation with instant source switching between displays
$299.45 $298.99 Save $0.46The item has been added -
Speco Technologies
SKU: HD4SPL2
Speco Technologies HD4SPL2 HDMI 1 to 4 Splitter- Res up to 4K
1-to-4 HDMI splitter with 4K support, no power required
- Splits one HDMI input to four independent outputs at 4K resolution
- Passive operation—no power supply, drivers, or configuration needed
- Compact design fits control rooms and multi-display security installations
$115.15 $114.99 Save $0.16The item has been added
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.