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By SONOFF

SONOFF 4-Gang Wi-Fi Smart Switch 4CHR3 & 4CHPROR3

HK$305
HK$305
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Purchase and service information

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Supply and receipts

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Warranty and support

Warranty duration, provider and coverage depend on the brand and model. Services follow the agreed scope.

Free technical consultation

Free one-to-one smart-home installation advice is available. On-site installation, wiring and setup are quoted separately.

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Brand: SONOFF
SONOFF 4路 Wi-Fi 智慧開關 4CHR3 & 4CHPROR3
HK$305
HK$305

Inventory · Installation

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The SONOFF 4CHR3 & 4CHPROR3 feature 4 independent control channels, supporting direct Wi-Fi connectivity without the need for a gateway, along with 433MHz RF remote control, enabling comprehensive remote management via the eWeLink App. The dry contact output design ensures perfect compatibility for upgrading traditional equipment such as garage doors and electric curtains, providing versatile automated control.

Each channel supports high load capacities of up to 10A and features wide support for 100-240V AC/DC voltage input, allowing for seamless integration with Alexa and Google Home for intuitive voice control. The housing utilizes a standard DIN rail mounting design, ensuring neat wiring within electrical distribution boxes and more convenient maintenance.

Key Features

Brand SONOFF
Model 4CHR3 & 4CHPROR3
Wireless Protocol Wi-Fi
RF Control 433MHz
Input Voltage 100-240V AC/DC
Max Load Per Channel 10A
Mounting Type DIN Rail
Number of Channels 4 Channels
Voice Assistant Support Alexa, Google Home
App Support eWeLink
Product Weight 0.35 kg

FAQ

Does this smart switch require an additional hub?

No, this switch uses a Wi-Fi connection protocol and can connect directly to your home wireless network, allowing for remote control via the eWeLink App.

Does this device support dry contact output?

Yes, this device features dry contact functionality, making it suitable for upgrading traditional control equipment like garage doors and electric curtains.

What is the maximum load capacity for each channel?

Each channel has a high load capacity of 10A and supports 100-240V AC/DC voltage input.

How is this smart switch installed?

It is designed for standard DIN rail installation, facilitating easy mounting within electrical distribution boxes while keeping wiring tidy and maintenance convenient.