What size DC breaker do I need

What size DC breaker do I need

Calculating the appropriate fuse or breaker size for a branch circuit is straightforward. For most applications, an overcurrent device should be sized about 125% of the load’s rated amperage. This way, your load will be protected from electrical short-circuit.

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Differences Between Surge Arrester And Surge Protection Device

Differences Between Surge Arrester And Surge Protection Device

Surge protection devices (SPD) and surge arresters have the same function: they can protect electrical equipment from overvoltage conditions, but what is the difference between them? The following is a brief description of the differences between them. 1. Different Rated Voltages: According to NEC 2017 Sec 280 & 285, the rated voltage of the surge […]

DC SPD Checklist

DC SPD Checklist

In spite of the high lightning risk that many PV installations are exposed to, they can be protected by the application of DC SPDs and a properly engineered lightning protection system. Effective DC SPD implementation should include the following considerations: •Correct placement in the system •Termination requirements •Proper grounding and bonding of the equipment-ground system […]

The development prospects of surge protective devices

The development prospects of surge protective devices

In today’s world, as electronics are increasingly used,  the demand for surge protective devices is increasing. Surge protective devices are devices used to protect electrical equipment from damage caused by voltage surges, and they are an essential part of any electrical system. The development prospects of surge protective devices are very promising and have a […]