Smart switch Sonoff SPM-4Relay

The Sonoff SPM-4Relay intelligent switch, when combined with the SPM-Main module (sold separately), allows for energy consumption measurement. It can handle 4 independent channels and also allows for overload protection, which protects devices from damage. The product is very easy to install - you can easily mount it on a DIN rail.
Sonoff SPM-4Relay switches are suitable for many applications. For example, they allow you to monitor how much electricity your tenants consume monthly, as well as energy consumption in a shopping center or office. The product will also perform well in a cryptocurrency mine or server room. With the overload protection feature, you can reduce the risk of device damage.

Specifications
• Input current: 100-240V ~50/60Hz 20A per channel, 80A max.
Output current: 100-240V ~50/60Hz 20A per channel, 80A max.
• Material: PC V0
• Communication via RS-485
• Dimensions: 250 x 90 x 66.5 (mm)