Purchase Qty. Reference FOB Price
10-29 Pieces US$28.00
30+ Pieces US$25.00
Product Description
DLB127G flameproof combined acousto optic electric bell for underground mine Scope and application The explosion-proof acousto-optic combination electric bell is mainly suitable for underground coal mine with explosive gas (methane) air mixture. In 127V or 36V power supply network, it can send ...