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I am designing PCB for a heating control system. I have planned to use PCB mountable SSR for the control the heater element. The SSR can handle maximum of 2A current and heating element not exceed that current.

Anyway, I decided to add a fuse between SSR and heater element. This fuse insert to a PCB mountable fuse holder.

Is their any special fuse for heating element? Can I use normal 2A glass fuse for my application?

PCB mountable fuse holder

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  • \$\begingroup\$ @jsotola I want to protect SSR if heater element get more current than 2A. \$\endgroup\$ – user_fs10 May 31 '19 at 9:52
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No, you can't use a standard fuses, they are too slow to preserve the SSR. Happy days: fast fuses do exist!

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  • \$\begingroup\$ Thanks @theGarz. can you command a suitable fuse for my application?My SSR has 4A^2s Output I^2t value. \$\endgroup\$ – user_fs10 May 31 '19 at 10:39

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