Ubiquiti USL-Relay Compact SuperLink Relay
Seamless Sensor and Signaling Integration Over SuperLink Designed for flexible control and third-party device integration, this compact relay connects sensors and signaling equipment into the...
Seamless Sensor and Signaling Integration Over SuperLink
Designed for flexible control and third-party device integration, this compact relay connects sensors and signaling equipment into the UniFi Protect ecosystem through long-range SuperLink connectivity. The Ubiquiti USL-Relay Compact SuperLink Relay provides dry contact input and output interfaces in a small enclosure suitable for wall, adhesive, or DIN rail mounting.
Highlights
Compact Relay for Integration Projects
• Designed for third-party sensors and signaling devices
• Supports dry contact input and relay output connections
• Compact 50 x 47.6 x 28 mm form factor for space-constrained installations
Long-Range SuperLink Connectivity
• Proprietary SuperLink wireless connectivity
• Up to 2 km range
• Supports US and EU operating frequency ranges
Flexible Mounting Options
• Adhesive mounting for quick placement
• Wall mounting for fixed installations
• DIN rail mounting for control cabinet deployments
Built for Reliable Operation
• Polycarbonate enclosure and mount material
• Integrated protection for power and input interfaces
• NDAA compliant with CE, FCC, and IC certifications
Key Features
Ubiquiti USL-Relay Compact SuperLink Relay
• Compact SuperLink relay for UniFi Protect integration
• I/O interfaces for connecting dry contact sensors and signaling devices
• Supports relay output, signal input, and DC power terminal blocks
• Designed for flexible installation across security and automation environments
Dry Contact Input and Relay Output
• Output terminal block: O1, COM, O2
• Dry contact output supports 12 to 48 V DC and 12 to 240 V AC
• Output capacity up to 10 A per port
• Input terminal block: I1, I2 with open and short detection to ground
Power and Protection Design
• Supports 12 V DC, 24 V DC, and 48 V DC power methods
• Power terminal block: VDD and GND
• Integrated 5 V TVS protection for input
• Integrated over-temperature protection at 85°C
SuperLink Wireless Performance
• SuperLink antenna gain: 1 dBi
• Maximum TX power: 14 dBm
• Maximum SuperLink range: 2 km
• US frequency range: 915.6 to 927.6 MHz
• EU frequency range: 865.1 to 869.5 MHz
Installation and Status Visibility
• Includes factory reset button and test button
• RGBW LED for LoRa and status indication
• White LEDs for signal input and relay output indication
• Lightweight 100 g design for flexible placement
Operating Environment
• Operating temperature: 0 to 40°C
• Operating humidity: 10 to 90 percent non-condensing
• Certified with CE, FCC, and IC
• NDAA compliant
Summary / Conclusion
The Ubiquiti USL-Relay Compact SuperLink Relay is a practical integration component for connecting third-party sensors and signaling devices into UniFi Protect deployments. With dry contact I/O, long-range SuperLink connectivity, multiple mounting options, and a compact protected design, it enables flexible deployment across security, monitoring, and control applications.
Ubiquiti USL-Relay Compact SuperLink Relay
The Ubiquiti USL-Relay is a compact SuperLink relay designed for UniFi Protect deployments requiring I/O integration with third-party sensors and signaling devices. It supports long-range proprietary SuperLink connectivity, flexible mounting, and dry contact input and output control for smart security and automation use cases.
Product Specifications
| Specification | Details |
|---|---|
| Overview | |
| Product Type | Compact SuperLink relay |
| Model | USL-Relay |
| Brand | Ubiquiti |
| UniFi Application Suite | Protect |
| Mounting | Adhesive, wall mount, DIN rail mount |
| Performance | |
| Connectivity | SuperLink proprietary |
| Operating Frequency | • US: 915.6 to 927.6 MHz • EU: 865.1 to 869.5 MHz |
| Antenna Gain | SuperLink: 1 dBi |
| Max TX Power | SuperLink: 14 dBm |
| Max Range | SuperLink: 2 km (1.2 mi) |
| Hardware | |
| Dimensions | 50 × 47.6 × 28 mm (2 × 1.9 × 1.1 in) |
| Weight | 100 g (3.5 oz) |
| Enclosure Material | Polycarbonate |
| Mount Material | Polycarbonate |
| Buttons | 1 × factory reset, 1 × test button |
| LEDs | • 1 × LoRa status RGBW • 2 × signal input and relay output W |
| I/O Interfaces | |
| Output Terminal Blocks | O1, COM, O2 |
| Output Type | Dry contact only |
| Output Rating | 12 to 48V DC, 12 to 240V AC, 10A per port, UL total max 12A, IEC total max 16A |
| Input Terminal Blocks | I1, I2 |
| Input Type | Dry contact only, open short GND |
| Input Protection | Integrated 5V TVS protection |
| Power Terminal Blocks | VDD, GND |
| Power Input | 12 to 48V DC, max 48V |
| Over Temperature Protection | Integrated OTP at 85°C (185°F) |
| Power | |
| Power Method | 12V DC, 24V DC, 48V DC |
| Environmental | |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Operating Humidity | 10% to 90% non-condensing |
| Certifications | |
| NDAA Compliant | Yes |
| Certifications | CE, FCC, IC |