Answer / thran

Mcb & mccb difference are that breakers breaking capacity only... mcb is 10 KA and mccb is 30 KA...

Answer / tharan

difference between for breaker breaking capacity only...( shor circuit curent value only diference)

Answer / dinesh chaudhary

mcb is used for less load while mccb is used when the load
capacity increases i.e. for less current ratings we use mcb
& for high current ratings we use mccb

Answer / ab

mcb only carry 6- 63A then current rating above 100A we use MCCB so sHORT ct only difference

What is the working principle of VFD

3 Answers   HCL,

---

what is vtg limit of earth and neutral at transformer side?

0 Answers   IOCL,

---

What is frequency?

4 Answers   BTCL, TCS,

---

what is difference between MCB & MCCB

1 Answers  

---

why transmition and distribution and genaration of voltage in multible of 11 means 220v,440v,11kv,22kv,,,...so on

3 Answers  

---

How to do cable sizing calculation for 750 A Neutral Earthing resistor for 33kv. the 33kv cable going to swbd. is 630mm2 3 runs.

0 Answers  

---

can we use 400w coke instead of 250w choke in 250w fittings

2 Answers  

---

explain with diagram how to protect transformers and substations from over current with help of CT's?

0 Answers   BARC,

---

What is Avg. Power Consumption of 2 TR Split A/C???How v can calc. this???

1 Answers   Emerson,

---

how give earthing conection to household equipment?

0 Answers  

---

What is the formula to calculate a three phase alternator

0 Answers  

---

THE 40 MW OF POWER FOR 220 V III PHASE POWER CONNECTION REQUIRES HOW MANY KVA POWEER REQUIREMENTS

7 Answers   Chartered Accountant,

---