Review on ⏱️ Bussmann BP SC 30 Time Delay Melamine: Superior Performance and Reliable Circuit Protection by Mike Bigglesworth

Works great as a replacement for my spa's main ozone circuit board. Without this feature, the entire whirlpool will not work. It's very easy to pull out and swap out and I keep spares. But the backup only lasts 4-6 months or so. Many switch-on cycles (e.g. after a storm) usually lead to a short service life. But one fuse is better than all my electronics. Luckily I don't have to pay anyone to install this and it takes a few minutes. If it hadn't blown so easily I would have given 5 stars.