As opposed to other circuit breakers, 40Amp DC circuit breakers can resist a current rate of up to 40Amps. They come in different types with different voltage ratings depending on the purpose of use, model, and manufacturer.
In this sense, some are designed to adapt to harsh conditions while others are designed to be applied in relatively harsh conditions. They are superior and relatively powerful than the 30 and 32Amp DC circuit breakers since they not only withstand a higher current rate but also resist high voltage.
They are significantly important since they function to protect the main circuits of a varied number of equipment such as battery banks, inverters as well as solar arrays. Like other circuit breakers, they come in different types with different features to suit a particular use. For instance, the most common and easiest 40Amp DC circuit breakers to install are the dual pole(2 poles) 40Amp DC circuit breakers which are purposed for mainly off-grid use.
Features of 40 Amp DC Circuit Breaker
They are characteristically designed with various features to suit various purposes.
- Manual reset (trip)
- Waterproof for harsh climates
- Surface mount
Applications
- Marine automotive
- Inverters for motor vehicles
- Solar PV systems