My Shelly Pro 4PM disconnects frequently. What should I do?

Set static IP out of the DHCP range and attention on the RSSI signal. Make sure that you do not have smart features enabled on your router and you are using the best wi-fi channel suitable for you. Contact the support for further troubleshooting.

How do I install Shelly Pro 4PM?

Shelly Pro 4PM (96x53x59 ±0.02 mm) is DIN-mountable inside the breaker box. Check the wiring diagram in our User & Safety Guide for further wiring instructions and avoid connecting different phase/voltage to the device, as this will harm it.

What is the maximum load supported by Shelly Pro 4PM?

Shelly Pro 4PM is a single phase, 4-channel relay switch, supporting up to 16A per channel (total capacity of 40 A) at 110 - 240 V.

How to improve Wi-Fi signal for Shelly Pro 4PM?

For a reliable connection, your WiFi signal should display levels lower than -67. Improve it by optimizing your router placement and avoiding obstacles that may interfere with it. Updating router's firmware and using range extenders might also help.

What home automation systems does Shelly Pro 4PM support?

Shelly Pro 4PM supports Amazon Alexa, Google Home, SmartThings, Home Assistant and others.

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⚡ Elevate your smart home game with pro-level control and connectivity!

ADVANCED SECURITY BUILT IN - Keep your smart home safe with cutting-edge security features designed for peace of mind.
REAL TIME POWER MONITORING - Track energy consumption accurately to optimize efficiency and reduce costs.
SLEEK DIN RAIL MOUNT DESIGN - Professional-grade installation inside your switch box for a clean, clutter-free setup.
POWER PACKED 4 CHANNEL CONTROL - Manage up to 4 devices independently with 16A per channel for ultimate home automation power.
SEAMLESS MULTI PROTOCOL CONNECTIVITY - Wi-Fi, LAN, and Bluetooth ensure flawless integration with Alexa, Google Home, and MQTT platforms.

The Shelly Pro 4PM is a professional 4-channel DIN rail relay switch delivering 16A per channel and a total max output of 40A. It supports Wi-Fi, LAN, and Bluetooth connectivity, enabling seamless integration with Alexa, Google Home, and MQTT for advanced home automation. Designed for clean installation and equipped with advanced security and real-time power monitoring, it’s the ultimate smart switch for the modern connected home.

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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Connector Type	Screw
Current Rating	40 Amps
Mounting Type	DIN Rail Mount
Brand	Shelly
Operation Mode	Automatic
Wattage	4 Watts
Contact Current Rating	16 Amps
Maximum Switching Current	40 Amps
Manufacturer	Allterco Robotics EOOD
Language	English
Item model number	3800235268049
Product Dimensions	3.54 x 2.05 x 0.01 cm; 150 g
ASIN	B09CKVZSDY

Shelly Pro 4PM Professional Switch Relay with 4 Contacts, Wi-Fi for Home Automation, Amazon Alexa Voice Controls, Google Home and MQTT, Black

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