Answer / satish a

RCCB ( Residual current circuit breaker )provides protection
against Earth fault/leakage current and isolation of the circuit

Answer / ankush miglani 09718151073

rccb basicaly works when there is sm difference in i/p and
o/p current
it is an advanced version of elcb
mostly it is used in 3 no.s i.e. 1 for each phase
for single phase supply rcbo is used

it provides protection from earth leakage

how could we calculate the no of outgoings from a 800 watt distribution board

0 Answers   United Engineering,

---

You required 5A from the transformer but you get 8A. How do you minimize this?

2 Answers   Bajaj, Siemens,

---

Can we check ELCB constantly from R1 to R8 phase in 1 no DB?

0 Answers   Legrand,

---

what is the grounding Calculation formula? spouse i want to provide grounding to 3phase 18kw motor or i want to provide ground to 3phase 10kva dry type transformere or you give me any exemple...... Thanks.

0 Answers  

---

What is the tension required for the 25000 CFM AHU belt

0 Answers  

---

Transformer diagram mention each parts ?

0 Answers  

---

what is difference between 2 pole structure and 4 pole structure in transformer yard

0 Answers   Hospira,

---

Is motor current is dependent on load.

2 Answers  

---

How can we find out LT UG cable fault (size,from-4*25mm sqr to 4*300mm sqr)? How mani types UG cable faults?

0 Answers  

---

What is a captive power plant?

2 Answers  

---

what is "PE" earthing? and what do u know abt 16mm cable?

1 Answers  

---

can anyone explain 11kV 3core cable megger,hi pot test procedure with connection details?

0 Answers  

---