Blog - UHCCY

Knowledge Base October 13, 2026

Electrical Cabinet Fire Suppression: Risks, Methods & Limitations

Electrical cabinet fire suppression is an additional protective measure for electrical distribution boards, industrial control panels and other...

DC Fuse October 10, 2026

A fuse time current curve shows how long a fuse takes to respond to different levels of overcurrent. It is one of the most important technical...

DC Fuse October 10, 2026

If your DC fuse keeps blowing, the problem may be a genuine electrical fault, an incorrectly selected fuse, excessive operating temperature or...

DC Fuse October 9, 2026

A PV fuse box—more commonly called a photovoltaic combiner box when it combines multiple PV strings—provides an organized location for string...

DC Fuse October 9, 2026

A current limiting fuse is designed to interrupt a sufficiently high fault before the prospective fault current reaches the peak value it would...

DC Fuse October 8, 2026

A DC fuse disconnector and a DC fuse holder can look similar, especially in DIN-rail photovoltaic equipment, but they should not automatically...

DC Fuse October 8, 2026

A 1000V solar fuse and a 1500V solar fuse can have the same ampere rating while being designed for very different photovoltaic system voltages...

DC Fuse October 7, 2026

A gPV fuse is a photovoltaic fuse-link designed for full-range DC overcurrent protection in solar PV strings and arrays. The designation comes...

DC Fuse October 7, 2026

Fuse vs circuit breaker is not simply a choice between a cheaper device and a resettable one. Both devices can protect electrical circuits...

DC Fuse October 6, 2026

The main difference in AC fuse vs DC fuse protection is not simply the current rating printed on the fuse. The critical difference is what...