The SC-20 Main Fuse 20 Amp is a reliable and durable time-delay fuse designed for spa and hot tub control systems. With a 20 Amp rating and a Class G designation, this fuse provides essential protection by managing temporary electrical surges without immediately blowing, ensuring the longevity of your spa's electrical components. It is rated for 600VAC and is an ideal replacement for existing fuses in compatible spa and hot tub systems, safeguarding your equipment from overcurrent and short circuits.