What’s the best way to protect low-power circuits?

June 9, 2015

With the continued rise of 24 Vdc circuits, here’s how to keep cabinet components powered and protected.

As we’re building panels with more and more 24 Vdc circuits, what are the best options for protection? Fuses have always been a mainstay. What about electronic circuit protection modules? Electrostatic discharge devices? Miniature circuit breakers? Does each component warrant a different type of protection? How do we guard against overcurrent? Will a two-pole MCB suffice?

Also read: High-end protection for low power

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