Description
SPM 4 RELAY - STACKABLE SMART ENERGY METER - 4-CHANNEL RELAY SONOFF
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 and multi-terminal 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-4Relay
Color: White
Material: PC V0
Input: 100-240V ~50/60Hz 20A/Gang 80A/Total Max
Output: 100-240V ~ 50/60Hz 20A/Gang 80A/Total Max
Dimensions: 250 x 90 x 66.5 mm
Reference: SNSPM4RELAY
Bar code: 4038816112842 | 6920075776980