
Protect Relay
Compact SuperLink relay designed with I/O interfaces for seamless integration with third-party sensors and signaling devices.

Product overview
Compact SuperLink relay designed with I/O interfaces for seamless integration with third-party sensors and signaling devices.
Key details
BrandUbiquiti
Manufacturer modelUSL-Relay
InstallationQuoted separately
Dimensions50 x 47.6 x 28 mm (2 × 1.9 × 1.1")
MountingAdhesive, wall and DIN rail mount
UniFi Application SuiteProtect
ConnectivitySuperLink (Proprietary)
US915.6–927.6 MHz
EU865.1–869.5 MHz
SuperLink14 dBm
SuperLink2 km (1.2 mi)
Max. Power Consumption0.83W
Supported Voltage Range12–48V DC
Power Method12V DC / 24V DC / 48V DC
Weight100 g (3.5 oz)
Enclosure MaterialPolycarbonate
Mount MaterialPolycarbonate
Buttons(1) Factory reset (1) Test button
OutputO1/COM/O2 Dry contact only (12-48V DC, 12-240V AC) 10A/port, UL total max: 12A IEC total max: 16A
InputI1/I2 Dry contact only Open/Short (GND) Integrated 5V TVS protection
PowerVDD/GND 12–48V DC, max. 48V Integrated over-temperature protection (OTP) at 85°C (185°F)
LEDs(1) LoRa, Status: RGBW (2) Signal input, Relay output: W
Ambient Operating Temperature0 to 40° C (32 to 104° F)
Ambient Operating Humidity10 to 90% noncondensing
CertificationsCE, FCC, IC
Web ApplicationUniFi Protect
Mobile AppUniFi Protect iOS™ and Android™
Equipment price$50.70
Highlights
- Equipment only; installation is quoted separately
- Select the required configuration before ordering
Additional manufacturer documents
- Official product details · Manufacturer website
- Installation guide · Manufacturer website