Distinguish, differentiate, compare and explain what is the difference between Circuit Breaker and Isolator. Comparison and Differences.
Differences between Circuit Breaker and Isolator
| S.No. | Basis of difference | Circuit Breaker | Isolator |
| 1 | Type of Device | Circuit Breaker is an On-load device, meaning it can operate when the supply is on and also when the supply is off. | Isolator also known as disconnector is an Off-load device, meaninig it can opearte only when the device is off. |
| 2 | Operation | It is operated automatically. | It is operated manually. |
| 3 | Action of device | It is an electronic device made by using MOSFET or BJT. | It is a mechanical device which acts as a switch. |
| 4 | Arc Requirement | The current is interrupted and hence heavy arc is produced. Arc quenching facility is provided. | No arcing during On-Off so no arc quenching provision. |
| 5 | Function | The circuit breaker is a device such as MCB or ACB which trips the entire system when there is any fault. It is often mounted to a PCB assembly for protection. | Isolator only cuts a portion of a substation when a fault occures. So, the other devices can operate without any interruption. |
| 6 | Withstand Capability | Has a high withstand capability at the onload condition. | Has low withstand capability. |
| 7 | Noise Factor | Create a large sound when operate. | Noise less working. |
| 8 | Cost | Costly. | Cheaper. |
Tags:
Difference between Isolator vs Circuit Breaker
Circuit Breaker vs Isolator
Differences between Isolator vs Circuit Breaker
