In-wall smart relay Shelly 1PM — single-channel Z-Wave mini switch, 110–240V, 8A, 2000W, 868.4 MHz

Shelly 1PM is a compact in-wall single-channel smart relay designed to control lights and small appliances. It fits into standard wall boxes and operates on 110–240 V AC. The device supports wireless control over a 868.4 MHz Z-Wave network and includes overload and overheat protection, while consuming only 0.3 W in typical operation.

Advantages

The smart relay offers a small form factor suitable for concealed installation, reliable protection against overload and overheating, and low standby power consumption. Wireless connectivity and SmartStart support simplify integration into existing Z-Wave systems. Its plastic housing and indoor mounting design make it suitable for typical household electrical installations.

Suitable for

• Controlling indoor lighting circuits
• Automating individual household appliances
• Integration into Z-Wave smart home systems
• Use in confined wall boxes where space is limited

Key specifications

• Mounting type: Wall in-wall installation
• Operating voltage: 110–240 V AC
• AC input frequency: 50/60 Hz
• Maximum switching current: 8 A
• Maximum switching power: 2000 W
• Typical power consumption: 0.3 W
• Wireless frequency: 868.4 MHz (Z-Wave)
• Transmit power: 25 dBmW
• Indoor range (maximum): 40 m
• Operating temperature range: -20 to 40 °C
• Relative humidity range: 30–70%
• Housing material: Plastic
• Product colour: Red
• Weight: 18 g
• Dimensions (H×W×D): 29 × 35 × 16 mm

How to use

Install the Shelly 1PM into a standard wall box and connect it to the AC supply and the load according to the electrical diagram provided by the manufacturer. After powering the device, include it in your Z-Wave network using the SmartStart or network inclusion procedure. Use a compatible Z-Wave controller or app to configure switching schedules, monitor power consumption, and control the connected load remotely.

Recommendations

Ensure installation is performed by a qualified electrician, follow local electrical codes, and verify that the connected load does not exceed 8 A or 2000 W. Install the relay in indoor, dry locations within the specified temperature and humidity ranges. Allow adequate space in the wall box for wiring and ventilation.