SONOFF 4CHR3 4 Channels WiFi Smart Switch with Timer Guide Rail DIN

SONOFF 4CHR3 4-Channel Wi-Fi Smart Switch – DIN Rail Mount with Timer & Voice Control

Description: The SONOFF 4CHR3 is a professional-grade 4-gang Wi-Fi smart switch engineered to bring centralized automation to your home or industrial electrical panel. Designed with a standard 35mm DIN rail mount, it allows you to connect and independently control up to four different appliances, lighting circuits, or motorized systems directly from your smartphone using the eWeLink app. With built-in smart timers, robust voice control compatibility, and flexible operating modes, the 4CHR3 is the ultimate hardware foundation for building a highly organized and reliable smart home ecosystem.

Key Specifications:

1. Model: SONOFF 4CHR3
2. Input Voltage: 100-240V AC (50/60Hz)
3. Max Load: 10A per channel / 16A total (across all 4 channels)
4. Wireless Standard: Wi-Fi 2.4GHz (IEEE 802.11 b/g/n)
5. Mounting Style: 35mm DIN Rail (Standard electrical distribution box)
6. Operating Modes: Self-locking, Interlock, and Inching
7. Enclosure Material: PC V0 (Fire-retardant polycarbonate)
8. App Compatibility: eWeLink (Available on iOS & Android)

Features:

1. Independent 4-Channel Control: Remotely turn on/off four separate connected devices from anywhere in the world using a single smart module.
2. Versatile Operating Modes: Easily configure the switch directly via the app for self-locking (independent control), interlocking (turn one channel on while forcing others off), or inching (auto-off after a set delay, perfect for pulse triggers).
3. Professional Panel Installation: The integrated DIN rail housing ensures a clean, safe, and code-compliant installation alongside standard circuit breakers in your main electrical box.
4. Voice & Ecosystem Integration: Fully compatible with Amazon Alexa, Google Assistant, and SmartThings for seamless, hands-free voice commands.
5. Advanced Scheduling & Timers: Create countdowns, repeating routines, or time-of-day schedules to automate energy-heavy appliances and reduce electricity costs.
6. Power-On State Memory: Customize how your devices react after a power outage—choose to have them automatically power on, stay off, or return to their last known state.

Common Applications:

1. Centralized smart lighting control for multiple rooms, hallways, or outdoor landscape zones.
2. Automating motorized roller blinds, garage doors, and electronic gates (utilizing the Interlock and Inching modes).
3. Managing complex timing for hydroponic setups, aquarium pumps, and automated irrigation systems.
4. Upgrading traditional electrical distribution panels into remote-accessible smart breaker boxes for residential or commercial properties.