In this note, we are going to learn about a topic called “MCB Vs MCCB” or Differences between MCB and MCCB. Welcome to Poly Notes Hub, an one stop solution for polytechnic notes for Diploma Engineering Students.
Author Name: Arun Paul.
Overview of MCB Vs MCCB
Below we listed some important difference between MCB and MCCB –
| Features | MCB | MCCB |
|---|---|---|
| Full Form | Miniature Circuit Breaker | Molded Case Circuit Breaker |
| Size | Compact and Small | Larger and Bulky |
| Breaking Capacity | Around 10000 amps | Around 100000 amps |
| Tripping Range | Lower up to 125 amps | Higher up to 2500 amps |
| Remotely Operate | No, not possible | Yes, Possible |
| Price | Low | High |
| Maintenance | Usually less maintenance required | Usually more maintenance required |
| Protection Level | Lower compared to MCCB | Higher compared to MCB |