Description
SPM MAIN - STACKABLE SMART ENERGY METER - MAIN UNIT
Connect up to 32 SPM-4Relay - One SPM-Main can be connected to 32 SPM-4Relays. Each SPM-4Relay has 4 isolated channels to help you manage devices more conveniently.
Energy measurement - You can monitor energy consumption by checking the eWeLink app on your mobile phone. Obtain current, voltage, and power easily.
Max. 20A/Gang - Each channel can support a maximum current of 20A, without fear of high power loads.
Communication via RS-485 - The SPM-Main communicates with the SPM-4Relays through RS-485, which allows for stable multi-terminal and long-distance data transmission.
Overload protection - Once overload protection is enabled, it can protect your devices from burning out.
Product features:
Brand: Sonoff
Model: SPM-Main
Color: White
Material: PC V0
Micro SD Memory: 8GB-32GB
Input: 100-240V ~50/60Hz 50mA Max
WiFi: 802.11 b/g/n 2.4GHz
Dimensions: 142.5 x 90 x 66.5 mm
Reference: SNSPM