Purchase Qty. Reference FOB Price
10-29 Pieces US$28.00
30+ Pieces US$27.00
Product Description
Mine flameproof combined alarm bell 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 out sound and light locally or remotely ...