Aqara - Single Switch Module T1 without neutral DLKZMK12LM

Aqara Single Switch Module T1 (SSM-U02, No Neutral): Compact Zigbee 3.0 Relay for Smart Control

The Aqara SSM-U02 Single Switch Module T1 (No Neutral) is a compact in-wall relay module built on the Zigbee 3.0 protocol. Designed for use with compatible smart home hubs (such as Aqara Hub, Homey, etc.), it allows you to control the power of lights or fans remotely, by schedule, or through automation with other smart devices.

This module fits seamlessly behind your existing wall switch and does not require a neutral wire, making it ideal for retrofit installations. It enables remote control, smart scheduling, and automation while ensuring safety with built-in overload and overheat protection.

Features

• Remote ON/OFF control for lighting or electrical appliances
• Compact design fits behind existing wall switches
• No neutral wire required — ideal for most older electrical setups
• Supports 2-way switch configurations
• App control via Aqara Home (or compatible apps with Zigbee hubs)
• Smart scheduling and automation when paired with other devices
• Built-in protection against overheating and overload
• Integrates invisibly to automate traditional light circuits

Technical Specifications

• Power supply: 100–250VAC, 50/60Hz
• Maximum load: 5A (1250W)
• Operating humidity: 0–95% RH
• Ambient temperature: 0°C to 35°C
• Communication protocol: ZigBee 3.0
• Effective communication distance: up to 30m indoors
• Dimensions: 42.9 × 40 × 21.4 mm
• Weight: 40 g