ELCB (Earth Leakage Circuit Breaker) aur MCB (Miniature Circuit Breaker) dono hi electrical circuits ko protect karne ke liye bane hote hain, lekin unke kaam aur istemal mein antar hota hai.
1. **MCB (Miniature Circuit Breaker)**:
- MCB ek overload ya short circuit se circuits ko bachane ke liye design hota hai.
- Iska mukhya kaam hai circuit ko excess current ya short circuit ke karan hone wale damage se bachana.
- MCB normal operating current se jyada hone par automatically circuit ko disconnect karta hai.
2. **ELCB (Earth Leakage Circuit Breaker)**:
- ELCB insulation faults ya ground faults ko detect karke circuits ko protect karta hai.
- Agar current kisi anisht sthal (ground) ki or ja raha hai, jaise ki human body se ya faulty wiring se, to ELCB immediately circuit ko disconnect kar deta hai, jisse electrical shock se bacha ja sake.
- Ismein do prakar hote hain - RCCB (Residual Current Circuit Breaker) aur GFCI (Ground Fault Circuit Interrupter).
In dono devices ka istemal safety ke liye hota hai, lekin unka focus alag hota hai. MCB overload aur short circuits se bachata hai, jabki ELCB insulation faults aur ground faults se bachata hai. Residential aur commercial buildings mein in dono ko saath mein istemal kiya jata hai, taki comprehensive electrical safety ho sake.