Answer / sms

RCBO Protects against any residual Current/Earth Leakage
current in the ckt, is more than its rated sensitivity say
30 mA/100mA. Also its protect against any short ckt.
One more thing , RCBO, ELCB, RCCB or GFCI ,All are same.

Where as MCB protect against only Short ckt current more
than its rating.

Answer / rinson.av

RESUDUAL CURRENT CIRCUIT BREAKER WITH INTEGRAL OVERCURRENT
PROTECTION

This divice is worked as both RCCB and MCB

ARE YOU NOURVAS ?

4 Answers  

---

Differentiate between voltage and current feedback in amplifiers?

0 Answers  

---

What is the difference between lubricating oil and insulating Oil?

4 Answers   Orchid,

---

Why usually in all electrical equipment taking more current in Y pahse like pumps,compressor,or any other applications

1 Answers   Chemplast,

---

power factor is max for which welding a.arc b.resistance c.gas

2 Answers   Bhel, HCL,

---

in an industrical wiring, why we are using lighting DB and Power DB separately?

3 Answers  

---

How to calculate HT XLPE CABLE for 11 kv / 433 v , 1500 kva oil type transformer system? plz provide step by step calculation

15 Answers   Engineers India, Indian Railways, Polycab, Shashwat, Sitara Energy, Sonali Bank,

---

I know during Surge Impedance Loading maximum power is transferred through a transmission line and also Sending end voltage becomes equal to Receiving end voltage i.e Vs=Vr so my question is if both end voltages are equal then how current travels in such line hence how power is transmitted because flow of current needs Potential difference??

3 Answers   NTPC,

---

1sq mm dc powr cable can carry how much dc currnt

0 Answers  

---

how to calculate the speed of a induction motor without using tacho meter?

6 Answers  

---

when a machine act as genartor and as motor?

2 Answers  

---

Can any one explain me about 2 phase motors ?

2 Answers   L&T,

---