Description
SPM 4 RELAY - SMART STACKABLE ENERGY METER - SONOFF 4 CHANNELS RELAY
Connect up to 32 SPM-4Relay - A SPM-Main can be connected to 32 SPM-4Relays. Each SPM-4Relay has 4 isolated channels to help you manage devices more conveniently.
Power Measurement - You can monitor energy consumption by checking the eWeLink app on your mobile. Easily obtain current, voltage, and power.
Max. 20A/Channel - Each channel can support a maximum current of 20A, without fear of high power load.
Communication via RS-485 - The SPM-Main communicates with the SPM-4Relays via RS-485, allowing for stable long-distance data transmission and multiterminal connection.
Overload Protection - Once the overload protection is enabled, it can protect your devices from burning out.
Product Features:
Brand: SONOFF
Model: SPM-4Relay
Color: White
Material: PC V0
Input: 100-240V ~50/60Hz 20A/Channel 80A/Total Max
Output: 100-240V ~ 50/60Hz 20A/Channel 80A/Total Max
Dimensions: 250 x 90 x 66.5 mm
Reference: SNSPM4RELAY
Barcode: 4038816112842 | 6920075776980