Showing Results for Relays & I/O Interfaces
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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
Usually Ships in 2-3 Weeks Free shipping over $499$74.42 $73.99 Save $0.43 -
ELK Products M1 Relay Board M1Rb - ELK-M1RB
Relay board expansion module designed to extend the M1 control panel's door control and automation capabilities
- 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
Usually Ships in 2-3 Weeks Free shipping over $499$173.99 -
Save $0.01
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
Usually Ships in 2-3 Weeks Free shipping over $499$164.00 $163.99 Save $0.01 -
Save $0.25
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.
Usually Ships in 2-3 Weeks Free shipping over $499$13.24 $12.99 Save $0.25 -
Save $0.01
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
Usually Ships in 2-3 Weeks Free shipping over $499$24.00 $23.99 Save $0.01 -
Save $0.01
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
Usually Ships in 2-3 Weeks Free shipping over $499$55.00 $54.99 Save $0.01 -
Save $0.36
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.
Usually Ships in 2-3 Weeks Free shipping over $499$29.35 $28.99 Save $0.36 -
Save $0.36
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.
Usually Ships in 2-3 Weeks Free shipping over $499$29.35 $28.99 Save $0.36 -
Save $0.01
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.
Usually Ships in 2-3 Weeks Free shipping over $499$129.00 $128.99 Save $0.01 -
Save $96.01
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
Usually Ships in 2-3 Weeks Free shipping over $499$319.00 $222.99 Save $96.01 -
Save $128.81
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
Usually Ships in 2-3 Weeks Free shipping over $499$427.80 $298.99 Save $128.81 -
Save $49.51
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
Usually Ships in 2-3 Weeks Free shipping over $499$164.50 $114.99 Save $49.51 -
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Speco Technologies RFM1A RF Modulator Channel 3/4
RF modulator converts composite video to Ch. 3/4 coax output
- Selectable Ch. 3 or Ch. 4 output distributes video over existing coax plant.
- Compact 5.5×5.4×2.0 in body fits rack or wall-mount in control room builds.
- 2-year warranty backs continuous-duty operation in security distribution environments.
Usually Ships in 2-3 Weeks Free shipping over $499$82.30 $81.99 Save $0.31 -
Save $17.01
Speco Technologies SPCOAX2 Coaxial Video Surge Protector
Passive coaxial surge protection for TVI/CVI/AHD/960H—no power needed
- Passive design requires zero external power—safe to deploy at remote camera endpoints.
- Compatible with TVI, CVI, AHD, and 960H—one SKU covers mixed analog camera fleets.
- Inline coax connection installs in seconds with no signal reconfiguration required.
Usually Ships in 2-3 Weeks Free shipping over $499$56.00 $38.99 Save $17.01 -
Save $0.81
Speco Technologies SPTVIVP TVI Video and Power Surge Protector
TVI video and DC 56V surge protection for 4K camera systems
- Protects TVI video and DC 56V power lines from transient surges simultaneously.
- Supports 4K (3840×2160) resolution, compatible with modern TVI camera deployments.
- Outdoor-rated in a compact 2.6"×3.4"×1" housing with ONVIF Profile I compliance.
Usually Ships in 2-3 Weeks Free shipping over $499$36.80 $35.99 Save $0.81 -
Save $18.31
Speco Technologies SPUTPVD UTP Data Surge Protector Terminal Conn
Inline UTP surge protection for IP cameras and access control systems
- Clamps surges up to 4 kV in 1 ns, protecting cameras and NVRs from transients.
- Passive inline design requires no external power; insertion loss under 0.2 dB.
- NDAA Section 889 Part B compliant; rated for 300 surge events at 100 A each.
Usually Ships in 2-3 Weeks Free shipping over $499$59.30 $40.99 Save $18.31 -
Save $33.81
Speco Technologies SPVP Video & Power Surge Protector
Dual-channel surge protection for video and 12V DC power lines
- Dual-channel design protects coax video and 12V DC power circuits simultaneously.
- Passive architecture requires no external power or network configuration to deploy.
- NDAA Section 889 Part B compliant; backed by a 3-year manufacturer warranty.
Usually Ships in 2-3 Weeks Free shipping over $499$111.80 $77.99 Save $33.81 -
Save $94.51
Speco Technologies TVIHD TVI to HDMI Converter
TVI to HDMI converter for legacy cameras on modern displays
- Converts TVI camera signals directly to HDMI, eliminating DVR encoding overhead.
- Compact 3.5 × 5.1 × 1.2 in form factor deploys easily in racks, consoles, or vehicles.
- 3-year warranty and 12V 500mA power input simplify integration into standard deployments.
Usually Ships in 2-3 Weeks Free shipping over $499$312.50 $217.99 Save $94.51 -
Save $5.51
Speco Technologies TVIUTP HD-TVI Balun over UTP
HD-TVI video over standard Cat5e/Cat6 UTP cabling, no power needed
- Passive design requires no external power, reducing system complexity at each node.
- Supports 50Hz–60MHz bandwidth (-3dB) over Cat5e/Cat6, preserving HD-TVI signal integrity.
- Compact 0.6"×2"×0.6" form factor fits tight conduit and junction box installations.
Usually Ships in 2-3 Weeks Free shipping over $499$16.50 $10.99 Save $5.51 -
Save $0.81
Speco Technologies TVIUTP4 4-Port TVI over UTP Balun
4-port TVI balun for HD video over Cat5e/Cat6 cabling
- Transmits four independent 5MP TVI streams simultaneously over Cat5e/Cat6 cabling.
- Supports up to 2592x1944 resolution, preserving full HD detail across all four channels.
- Compact 4.3"×3.2"×1" form factor fits telecom racks or wall enclosures; 3-year warranty.
Usually Ships in 2-3 Weeks Free shipping over $499$40.80 $39.99 Save $0.81 -
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Speco Technologies TVIUTPA Active TVI Video Balun (Transmitter/Re
Active TVI balun for 8MP video over extended cable runs
- Transmits and receives 8MP TVI video at up to 3840x2160 over extended cable runs.
- ONVIF Profile I support integrates with compliant VMS and NVR platforms.
- DC 12V operation in a 2.3"×1.9"×1.6" housing simplifies distributed deployments.
Usually Ships in 2-3 Weeks Free shipping over $499$118.40 $117.99 Save $0.41 -
Save $7.01
Speco Technologies TVIUTPPT HD-TVI Balun over UTP with Pigtail
HD-TVI balun for standard UTP cable runs up to 300 meters
- Transmits HD-TVI video over Cat 5e/6 UTP up to 300 m, no coax required.
- Passive design needs no external power, cutting installation complexity.
- 50 Hz–60 MHz bandwidth with 32°F–131°F operating range suits most installs.
Usually Ships in 2-3 Weeks Free shipping over $499$23.00 $15.99 Save $7.01 -
Save $66.01
Speco Technologies VGABNC VGA to Video Connector
VGA to video connector with ONVIF Profile I for IP surveillance
- Converts VGA at 640×480 resolution to video output for hybrid surveillance integration.
- ONVIF Profile I compliant, enabling plug-and-play use with standard video management systems.
- Runs on regulated DC 5V/1A power, minimizing UPS load in low-power rack deployments.
Usually Ships in 2-3 Weeks Free shipping over $499$217.00 $150.99 Save $66.01 -
Save $0.51
Speco Technologies VGAHD2 VGA to HDMI Converter
VGA to HDMI converter for legacy video to modern displays
- Converts analog VGA to digital HDMI, preserving video fidelity for monitoring.
- Plug-and-play installation; no software needed, ships with 5VDC 1A power supply.
- Compact 6.62"×3"×1" form factor at 0.37 lbs fits rack, wall, or portable installs.
Usually Ships in 2-3 Weeks Free shipping over $499$114.50 $113.99 Save $0.51 -
Save $24.01
Speco Technologies VIDGL Video Ground Loop Isolator
Inline coaxial isolator eliminates 60 Hz hum in analog CCTV video
- Passive galvanic isolation requires no power, enabling immediate inline deployment.
- Eliminates 60 Hz and 50 Hz hum bars from coaxial video feeds without cable replacement.
- Compact 5.6 x 3.8 x 1.3 in form factor fits tight rack or wall-mount installations.
Usually Ships in 2-3 Weeks Free shipping over $499$79.00 $54.99 Save $24.01 -
Save $28.01
Speco Technologies VIDGLT HD-TVI Power Ground Loop Isolator
Passive HD-TVI ground loop isolator eliminates 60 Hz hum on coaxial runs
- Passive design requires no external power, simplifying drop-in coaxial installations.
- Eliminates 60 Hz ground loop hum on HD-TVI runs at 720p and 1080p without signal loss.
- Installs at camera or DVR/NVR end on RG59/RG6 coax; backed by a 3-year warranty.
Usually Ships in 2-3 Weeks Free shipping over $499$92.00 $63.99 Save $28.01 -
Save $0.81
Speco TVICOAXVP Active Balun TVI Video & 24V Power
TVI video + 24V power over single coax cable, up to 5MP
- Carries TVI video up to 5MP (2592×1944) and 24V DC over a single coax run.
- Accepts AC or DC 24V input, simplifying power sourcing across varied field installations.
- Compact 1.9″×4.4″×1″ body fits wall boxes and conduit terminations; backed by 3-year warranty.
Usually Ships in 2-3 Weeks Free shipping over $499$65.80 $64.99 Save $0.81 -
Save $0.92
System Sensor PR-1 Single Relay Module
Single relay module for fire alarm system expansion across multi-voltage setups
- Single relay output expands auxiliary control channels for locks, strobes, or dampers.
- Multi-voltage input eliminates power conditioning hardware in mixed-voltage installations.
- Relay contacts integrate third-party access control and signaling devices via standard switching.
Usually Ships in 2-3 Weeks Free shipping over $499$30.91 $29.99 Save $0.92 -
Save $0.92
System Sensor PR-2 Multi-Voltage Dual Form C Relay Module
Dual Form C relay module with TCP/IP control for multi-voltage access systems
- Dual Form C relays support both NO and NC logic for flexible strike and lock sequencing.
- TCP/IP control eliminates dedicated hardwired runs, reducing installation labor across sites.
- Supports NFC and 13.56 MHz credentials for modern card-based authentication workflows.
Usually Ships in 2-3 Weeks Free shipping over $499$30.91 $29.99 Save $0.92 -
Save $0.92
System Sensor PR-3 Multi-Voltage Dual Form C Relay Module
Dual Form C relay module with 115V/230V switchable input for fire/security
- Accepts 115V or 230V input on one unit, eliminating region-specific spare-parts inventory.
- Dual Form C contacts support NO, NC, or changeover wiring for alarm and control circuits.
- TCP/IP integration enables remote relay status monitoring and actuation from a central console.
Usually Ships in 2-3 Weeks Free shipping over $499$30.91 $29.99 Save $0.92 -
Save $0.04
System Sensor R-10T Single SPDT Relay Module with Tamper
Single SPDT relay module with tamper detection for networked fire systems
- Switches loads up to 10 A at 125/250 VAC for door strikes and notification devices.
- Rated 35VDC with SPDT contacts (NO/NC/COM) for flexible wiring in fire alarm panels.
- Integrated tamper detection alerts operators to unauthorized module removal or access.
Usually Ships in 2-3 Weeks Free shipping over $499$41.03 $40.99 Save $0.04 -
Save $0.85
System Sensor R-14E 4-Gang SPDT Relay Module with EOL
4-gang SPDT relay module with EOL supervision for access control
- Each of 4 independent SPDT gangs switches up to 10 A at 125/250 VAC.
- EOL supervision on every gang catches open-circuit faults before silent failures occur.
- Operates at 35VDC across –40°F to 158°F, suited for distributed alarm architectures.
Usually Ships in 2-3 Weeks Free shipping over $499$191.84 $190.99 Save $0.85 -
Save $0.09
System Sensor R-14T 4-Gang SPDT Relay Module with Tamper
4-gang SPDT relay module with tamper monitoring for addressable fire loops
- Four independently addressable SPDT relays distribute switching across zones on one loop.
- Operates at 24 VDC across –40°F to 158°F, supporting harsh commercial and industrial sites.
- Integrated tamper monitoring alerts the control panel to enclosure access or removal attempts.
Usually Ships in 2-3 Weeks Free shipping over $499$126.08 $125.99 Save $0.09 -
Save $478.65
Valcom VIP-848AR-IC IP Input & Relay Module
Rack-mount IP input/relay module with PoE for InformaCast systems
- PoE (802.3af) eliminates separate 24V supplies at remote modules
- Hardwired contact closures convert to networked input events
- 6.6 lb rack-mount IP input/relay module InformaCast compatible
In stock · Ships same business day Free shipping over $499$1,025.64 $546.99 Save $478.65