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The Shelly Pro 4PM is a DIN-mountable, one-phase, 4-channel relay, supporting up to 16A per channel with a total device capacity of 40A.
Shelly Pro 4PM is equipped with four integrated precise power meters that allow you to control and monitor the consumption for each channel separately, and includes a 1.8" colour display with navigation keys.
Equipped with LAN, Wi-Fi, and Bluetooth connectivity, it allows for a more secure and reliable connection. Use scripting functionalities to set custom automation scenes based on various occurrences, weather forecasts, wind forecasts, etc.
Different types of actions, scenarios, and schedules can be set to sync your environment to your daily activities or business needs, via the Shelly smart home ecosystem, including the Shelly Smart Control app - or link it with a popular home automation software such as Home Assistant via a Raspberry Pi!
Enhanced with temperature, overpower, and overvoltage load protection, the Shelly Pro series is designed to be installed inside the breaker box (DIN). Allowing full smart automation with no additional cables or wiring, the Shelly Pro line is perfect for homes, offices, stores, businesses, and manufacturing facilities, as well as new buildings.
View our entire range of Shelly Pro and other professional home automation products.
Note: You may require a neutral wire to use this product. Please research the device and your home wiring (safely, see below) before purchasing.
All Shelly Pro products carry a five-year manufacturer warranty.
This warranty covers any issues with the hardware or firmware that exist at the time of purchase or that appear within the warranty period. The warranty includes all parts of the hardware, such as the body, mechanics, and display (if applicable). However, it does not cover consumable items like batteries or accessories, as their lifespan depends on how much they are used.
Size (HxWxD) | 96x53x59 ±0.02 mm |
Mounting | DIN rail |
Screw terminal max torque | 0.4 Nm / 3.5 lbin (green connectors) |
Conductor cross-section | 0.5 to 2.5 mm² / 20 to 14 AWG (green connectors) |
Conductor stripped length | 6 to 7mm (green connectors) |
Shell material | Plastic |
Colour | Black |
Ambient temperature | -20 °C to 40 °C |
Humidity | 30 % to 70 % RH |
Max. altitude | 2000 m / 6562 ft |
Power supply voltage AC | 110 - 240 V |
Power supply voltage DC | N/A |
Power consumption | < 4 W |
Neutral not needed | No |
Max switching voltage AC | 240 V |
Max switching voltage DC | N/A |
Max switching current AC | 16 A per channel, 40 A total |
Max switching current DC | N/A |
Voltmeter (AC) | Yes |
Ammeter (AC) | Yes |
Internal-temperature sensor | Yes |
RF band | 2400 - 2495 MHz |
Max. RF power | <20 dBm |
Wi-Fi protocol | 802.11 b/g/n |
Wi-Fi Range | Up to 30 m / 100 ft indoors |
Up to 50 m / 160 ft outdoors | |
(Depends on local conditions) | |
Bluetooth Protocol | 4.2 |
Bluetooth Range | Up to 10 m / 33 ft indoors |
Up to 30 m / 100 ft outdoors | |
(Depends on local conditions) | |
CPU | ESP32-D0WDQ6 |
Flash | 8 MB |
Schedules | 20 |
Webhooks (URL actions) | 20 with 5 URLs per hook |
Scripting | Yes |
MQTT | Yes |
CoAP | No |