01
Remote ON/OFF
Control compatible loads remotely or from the front touch button.
GEYER SMART · ER140WM
High-current control.Complete consumption insight.
Smart Wi-Fi relay and energy meter for remote ON/OFF control, schedules and energy monitoring of compatible loads up to 40 A.
40 A250 VAC · cosφ = 1
Wi-Fi2.4 GHz
1 module35 mm DIN rail
Energy monitoringGEYER Smart
40 A control1NO contact
CONNECTED ECOSYSTEM
Amazon Alexa
Google Home
Tuya Smart
Smart LifeCONTROL · ENERGY · AUTOMATION
Powerful control. Useful information.
ER140WM combines high-current switching, energy monitoring and flexible scheduling in the GEYER Smart app.
02
Energy monitoring
View voltage, current and power, together with daily, monthly and yearly consumption data.
03
Flexible schedules
Create up to 30 schedules per day, with weekly scheduling, sunrise/sunset and automatic shutoff.
04
External push-button
Connect an external dry-contact momentary push-button to terminals C1 and C2.
40 A · ENERGY METER · 1 MODULE · 35 MM DIN RAIL
More current capacity. The same simple control.
GEYER SMART APP
Control and consumption data in one place.
Switch the load, review energy statistics, create timers and schedules, set power-restore behaviour and share the device with up to 20 users.
APPLICATIONS
Smart control for demanding everyday loads.
01
WATER HEATER / BOILER
Remote control, scheduling and energy monitoring.
02
ELECTRICAL APPLIANCES
Control compatible high-current loads from the app.
03
LIGHTING & PANEL CIRCUITS
Central control and operating schedules for selected circuits.
04
IRRIGATION
Timed operation and remote supervision of compatible irrigation circuits.
Every application is subject to the 40 A contact rating, suitable protection and the installer's assessment of the load.
TECHNICAL SPECIFICATIONS
Designed for higher-current control.
Single-channel Wi-Fi relay and energy meter for DIN-rail installation, with Bluetooth and external push-button input.
CERoHS2 years
Input voltage100–240 VAC, 50–60 Hz
Rated current40 A at 250 VAC, cosφ = 1
Contact1NO (SPST-NO)
Wi-Fi2.4 GHz
BluetoothYes
Mounting35 mm DIN rail, 1 module
Dimensions65.5 × 19 × 90.5 mm
Operating temperature−10 °C to +65 °C
SchedulesUp to 30 per day
Shared usersUp to 20
Warranty2 years
ComplianceCE · LVD / EMC / RED · RoHS
INSTALLATION & PAIRING
Three essential steps.
01
Installation
Mount on a 35 mm DIN rail and complete the electrical connection through a qualified electrician.
02
App
Download GEYER Smart from the App Store or Google Play and connect the phone to 2.4 GHz Wi-Fi.
03
Pairing
Hold the front button for about 5 seconds until the indicator LED flashes, then add ER140WM in the app.
!
ELECTRICAL SAFETYLoad suitability and the required protection must be assessed by a qualified electrician, who must also complete the installation with the power isolated.
WIRING DIAGRAM
Direct load output and local control.
L and N supply the device and L OUT and N OUT connect to the load. An external dry-contact momentary push-button connects to terminals C1 and C2.
FREQUENTLY ASKED QUESTIONS
The essential answers.
Which app does ER140WM use?+
The official app is GEYER Smart for Android and iOS.
Does it connect to 5 GHz Wi-Fi?+
No. ER140WM connects exclusively to a 2.4 GHz Wi-Fi network.
What energy information is available?+
The app displays voltage, current, power, today's consumption and total consumption, together with daily, monthly and yearly history.
What happens after a power interruption?+
The relay can be set to return to ON, OFF or its previous state.
How many users can share the device?+
The device can be shared with up to 20 users.
Who should install ER140WM?+
Installation and electrical connection must be performed by a qualified electrician.
VIDEO
Product videos.
▶
Video content coming soon
TESTIMONIALS
Everyday experiences with ER140WM.
Practical use cases based on the product's control, scheduling and energy-monitoring functions.
01“
I use ER140WM for the water heater and now control it from my phone. I can switch it on before returning home and turn it off remotely.
DimitraHomeowner
02“
I use it to control the outdoor lighting at my accommodation. I have set a schedule so the lights switch on and off automatically every day.
GiorgosAirbnb owner
03“
I installed it to control electric heating. The customer can create an operating schedule and adjust the heating remotely according to their needs.
VasilisElectrician
ER140WM DOCUMENTATION
All product documents in one place.
PDF
DatasheetTechnical specifications
DOWNLOAD ↓
PDF
PDF
Quick GuideEssential installation and pairing steps
COMING SOON
ManualDetailed use and settings
DOWNLOAD ↓
PDF
Product SheetProduct overview and applications
DOWNLOAD ↓