Answer / rajesh

MCB = Miniature Circuit Breaker, used for domestic, light
commercial and light industrial applications.

MCCB = Moulded Case Circuit Breaker used in heavy commercial
and heavy industrial applications.

And as stated above fault current rating is greater, generally
much greater with the MCCB

Answer / raja singh

mccb is used for more than 100Amps, and mcb used for below
100 amps

Answer / suresh

MCB-any electrical problem mcb breaker off position. After manually Breaker ON.

MCCB- any electrical broblem MCCB was trip position. After switches manually off position and ON.

Answer / a gahlaut

MCCB has short circuit protection in particular which is
not available in MCB. Also the breaking capacity of MCB is
limited to generally 10kA.

what is the full form of XLPE adn there use.

4 Answers   Voltas,

---

How do you select the pickup value of the relay?

0 Answers  

---

a simple c++ program to calculate simple interst with its data members as private

0 Answers   L&T,

---

What is mean by hot and cold loop testing?

0 Answers  

---

WHAT IS INERTIA,AND WAT IS TORQUE.

0 Answers  

---

---

If 11 KV breaker on the primary side of a 11 KV/3.3 KV 12.5 MVA transformer can be installed at a distance of 1000 mtrs through a 11 KV cable. If no what are the probable reasons.

1 Answers  

---

in transformer input is d.c signal which type of emf is induced

1 Answers  

---

Is an SCR semi controlled device?

4 Answers   IOCL,

---

wich type of cable is selected for wiring of 20hp motor?

5 Answers   Alchemist,

---

Is it possible to use a S1 duty class motor for crane application (S4)? If not, why?

0 Answers  

---

what is meant by distance protection ? how distance protection relay function ?

1 Answers   ABB,

---

why does the magnetic balance tests at transformer?

0 Answers  

---