consumer equipment
Refers to equipment or devices intended for general consumer use, as opposed to industrial, military, or professional-grade equipment.
This consumer equipment is designed for ordinary households.
民生 refers broadly to civilian or consumer life; 民生用機 specifically denotes equipment for such use.
産業用機器 is industrial equipment, contrasting with 民生用機 which is for consumers.
Compound of 民生 (みんせい, 'consumer/civilian use') + 用 (よう, 'for') + 機 (き, 'machine/equipment').