Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Account Cart

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

Shelly Pro 3EM Switch Add-On | Add-On Pro 3EM Dry Contacts DIN Rail Mounting | Home Automation | iOS Android app | No Hub Required | Solar Panels | Wind Turbines

Shelly Pro 3EM Switch Add-On | Add-On Pro 3EM Dry Contacts DIN Rail Mounting | Home Automation | iOS Android app | No Hub Required | Solar Panels | Wind Turbines

Product ID: 604996448

Details

Connector Type
Plug-In
Contact Material
Stainless
Contact Type
Normally Open
Current Rating
1 Amps
Mounting Type
DIN Rail Mount

⚡2A dry contact relay for precise control

🌞Optimizes solar & wind energy use

📶No hub needed, seamless remote control

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

HK$453

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Hong Kong.

Secure transaction

Description

⚡ Empower your energy, automate your future!

DYNAMIC LOAD SHEDDING - Automatically switch off non-essential devices during peak consumption to save energy effortlessly.
HUB FREE SMART CONTROL - Manage your devices locally or remotely via the intuitive Shelly app—no extra hub required.
5 YEAR WARRANTY PRO SUPPORT - Backed by Shelly’s trusted global brand with dedicated customer service and long-term reliability.
POWERFUL 2 A DRY CONTACT RELAY - Control contactors and appliances with pinpoint accuracy for smarter energy management.
SEAMLESS SOLAR WIND INTEGRATION - Automatically balance and maximize your renewable energy consumption to cut costs and carbon footprint.

The Shelly Pro 3EM Switch Add-On is a DIN rail-mounted, electrically isolated dry contact relay designed to extend the functionality of the Shelly Pro 3EM energy meter. It enables precise control of contactors and appliances up to 2A, optimizing solar and wind energy usage through real-time monitoring and automated load management—all controllable via a hub-free mobile app with a 5-year warranty for professional-grade reliability.

Specifications

ASIN	B0C718B37C
Best Sellers Rank	#30,591 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #8 in Industrial Power Meters
Brand Name	Shelly
Connector Type	Plug-In
Contact Material	Stainless Steel
Contact Type	Normally Open
Current Rating	1 Amps
Customer Reviews	4.6 4.6 out of 5 stars (82)
EU Spare Part Availability Duration	5 Years
Global Trade Identification Number	03800235268131
Included Components	1 pack
Item Weight	20 Grams
Manufacturer	Shelly
Model	Shelly_Pro_Add
Mounting Type	DIN Rail Mount
Operation Mode	ON-OFF-ON
Part Number	Shelly_Pro_Add
Smart Home Compatibility	Smart Home Compatible
Specification Met	UL
Unit Count	1.0 Count
Upper Temperature Rating	105 Degrees Fahrenheit
Warranty Description	5 year manufacturer
Wattage	1

Common Questions

Are the products genuine and authentic?+

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.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

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.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

Imran F.

Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

HK$453

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Hong Kong.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Zainab N.

Fantastic and great service. Shipping was faster than expected.

1 week ago

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

View all Trustpilot reviews