3 Phase Circuit Breaker Wiring Diagram. Method of wiring of 3 pole circuit breaker requirements. L3 circuit breaker stop start m ot t1 t2 t3 m m solid state overload relay 1ct m m motor.
In commercial and industrial applications the use of three phase power is common. The figure below shows schematic diagram for industrial three phase wiring. L3 circuit breaker stop start m ot t1 t2 t3 m m solid state overload relay 1ct m m motor.
Three pole breaker electric cable in the below image i shown 3 pole circuit breaker wiring with 3 phase supply however you can use in for 2 phase and neutral.
Wiring diagram book a1 15 b1 b2 16 18 b3 a2 b1 b3 15 supply voltage 16 18 l m h 2 levels b2 l1 f u 1 460 v f u 2 l2 l3 gnd h1 h3 h2 h4 f u 3 x1a f u 4 f u 5 x2a r power on optional x1 x2115 v 230 v h1 h3 h2 h4 optional connection. The wiring of both is same. To operate high power equipment and appliances such as electric motors and and high power rated air compressor etc we need three phase power supply instead of single phase power supply. Three phase electrical wiring installation in a multi storey building.
