Three independent outputs
Control three compatible circuits separately from the app or the built-in buttons.
GEYER SMART · ER316W
Smart three-channel Wi-Fi relay for independent or simultaneous control, schedules and local operation from the electrical panel.

CONNECTED ECOSYSTEM
THREE OUTPUTS · SCHEDULES · LOCAL CONTROL
Control each output independently or use All ON / All OFF through GEYER Smart.
Control three compatible circuits separately from the app or the built-in buttons.
Create up to 30 daily or weekly ON/OFF programs in total for the controlled outputs.
Countdown, cyclic operation, random activation and automatic switch-off.
Three built-in buttons and three external dry-contact control inputs.
THREE CHANNELS · TWO DIN MODULES

APPLICATIONS
Independent control and scheduling of three compatible lighting circuits.
Control facade, garden and terrace lighting independently from one device.
Manage three selected circuits from the electrical panel.
Automate recurring ON/OFF routines for each output.
Each output is rated at 16 A at 250 VAC for cosφ = 1. Load suitability and simultaneous operation must be assessed by the installer.
TECHNICAL SPECIFICATIONS
Two-module DIN-rail relay with three normally open outputs and dedicated local controls.
INSTALLATION & PAIRING

Mount on a 35 mm DIN rail and complete the electrical connection through a qualified electrician.

Install GEYER Smart and connect the phone to a 2.4 GHz Wi-Fi network.

Press and hold the S1 button for about 5 seconds until the Wi-Fi indicator LED starts flashing rapidly, then add ER316W in the app.
ELECTRICAL SAFETYInstallation and connection must be performed with the power isolated and in accordance with applicable regulations.
FREQUENTLY ASKED QUESTIONS
It has three independent normally open outputs. Each output is rated at 16 A at 250 VAC for cosφ = 1.
Yes. The app supports All ON and All OFF control.
ER316W connects to 2.4 GHz Wi-Fi.
Yes. The outputs can be programmed separately, with up to 30 ON/OFF programs in total per day or week.
OFF, ON or restoration of the previous state can be selected in the app.
Installation and electrical connection must be performed by a qualified electrician.
VIDEO
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TESTIMONIALS
Three users describe how independent three-output control simplified their setup.
I use it to control the lighting, water heater and outdoor socket separately. I can now manage everything from my phone without needing three separate relays.
At the holiday home, I wanted to switch on the outdoor lights before arriving. With ER316W I control all the exterior lighting from the same app and need fewer devices in the panel.
I use it for the lighting, water heater and outdoor lighting at my Airbnb. I can control them separately from my phone and schedule their operation.
ER316W DOCUMENTATION