The Shelly 1PM Gen4 is a compact built-in switch with power metering that combines several wireless communication standards - Zigbee, Wi-Fi, Bluetooth and Matter. The device allows you to remotely control connected power consumers, and with accurate power measurement it allows you to analyze energy consumption in real time. Thanks to its small dimensions, it can be successfully installed in flush-mounted boxes, behind sockets or light switches.
Full control in your hands
The controller can be operated locally via Wi-Fi or remotely via the Shelly app, a web browser or integration with home automation systems. The built-in web interface allows you not only to remotely turn devices on and off, but also to configure settings and read power consumption data. Remote access works anywhere the device has an Internet connection - no central hub is required. Shelly 1PM Gen4 offers extensive integration with external systems - it supports MQTT, HTTPS, Web Hooks, KNXnet/IP and scripts written in ShellyScript, among others. You can create schedules (up to 20 tasks) and scenes to automate devices based on time, days of the week or weather conditions.
Multi-standard communication
The Shelly 1PM Gen4 supports 4 major communication standards - Wi-Fi (802.11 b/g/n), Bluetooth 5.0, Zigbee (802.15.4) and Matter. This makes it seamlessly integrate with popular platforms such as Alexa, Google Assistant, Samsung SmartThings and Home Assistant. The controller can also act as a Zigbee and Wi-Fi signal repeater, strengthening the coverage of these networks in IoT installations.
Measuring energy consumption and protecting the installation
The device features a built-in wattmeter and ammeter, allowing real-time monitoring of the power consumption of connected devices. In addition, the data record can be analyzed in the app. Measuring energy consumption makes it easier to optimize power consumption in the home or office. An integrated internal temperature sensor takes care of safety by protecting the device from overheating.
General
Manufacturer
Shelly
Model
1PMGen4
Physical parameters
Dimensions
37 x 42 x 16 mm / 1.46 x 1.65 x 0.63 inches
Weight
27 g / 0.95 oz
Maximum terminal tightening torque
0.4 Nm / 3.5 lbin
Cable cross section
0.2 to 2.5 mm² / 24 to 14 AWG (wire, wire, sleeve)
Wire stripping length
6 to 7 mm / 0.24 to 0.28 in.
Mounting
Wall console
Housing material
Plastic
Housing color
Red
Clamp color
Gray
Environmental conditions
Operating temperature
-20 °C to 40 °C / -5 °F to 105 °F
Operating humidity
30% to 70% RH
Maximum altitude
2000 m / 6562 ft
Electrical parameters
Power supply
110-240 V~ ; 24-30 V⎓
Power consumption
< 1 W
Neutral wire required
Yes
External protection
Overcurrent circuit breaker according to EN60898-1 (characteristic B or C, rated current max. 16 A, breaking capacity min. 6 kA, energy limitation class 3)
Sensors and measurements
Voltmeter (AC)
Yes
Ammeter (AC)
Yes
Internal temperature sensor
Yes
Wi-Fi
Protocol
802.11 b/g/n
RF band
2412 - 2472 MHz
RF power
< 20 dBm
Range
Up to 30 m indoors / 50 m outdoors (depending on conditions)
Bluetooth
Protocol
5.0
RF band
2402 - 2480 MHz
RF power
< 4 dBm
Range
Up to 10 m indoors / 30 m outdoors (depending on conditions)
Zigbee
Protocol
802.15.4
Zigbee repeater
Yes
RF bandwidth
2400 - 2483.5 MHz
RF power
< 20 dBm
Range
Up to 100 m indoors / 300 m outdoors (depending on conditions)
Microcontroller unit
CPU
ESP-Shelly-C68F
Flash memory
8 MB
Software functionality
Schedules
20
Webhooks (URL shares)
20 with 5 URLs per webhook
Scripts
Yes
MQTT
Yes
Control devices
InnPro
Shelly
Smart controllers
Smart Home
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