DC MCB
A Mini Project By
NIPU BHUYAN
AEI/18/ET/037
Introduction
DC circuit breaker, like their name suggests,
is used for the protection of electrical
devices that operate with direct current.
Components:
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12 volt Relay
2 LEDs (one red and one green)
One Vero board (2.5cmx8.5cm)
Two 1k resistor
One 1N4007 Diode
Some wires
Two terminal block
One pushbutton
DC 12volt Power Supply
Working Principle:
Its works on the principle of
electromagnetic induction. When the
electromagnet is applied with some current
it induces a magnetic field around it.
Working Principle:
Working Principle:
Working Principle:
Circuit Diagram:
Project Photo: 1
Project Photo: 2
Advantages &
Disadvantages:
 It
provide short circuit protection.
 Consume very low mA current.
 Very safe & secure
 Easy to use.
 Easy to make.
 Used in any kinds of DC appliances.
 cheap as compared to marked one.
 Used only in 12volt due to using 12volt
relay.
Conclusion:
Very easy use and essential product to our
day-to-day life.
I’ll try to be improved this product in the
future.
THANK YOU