Answer / s c budhiraja

No, it is of no use to connect more than one rccb of the
same rating in series for a three phase equipment.It is
only waste of money.

Answer / electrobot of the philippines

why you need to connect series of RCCB's by the way?? its a
stupid act.

Answer / k.suresh

it leads more maintenance and more work during
fault.also,series connection will not give additional
protection and some time we may face neusence tripping.

How is the gain affected by the introduction of feedback in a control system.

0 Answers   GE,

---

how we can calculate LT side current of transformer

2 Answers   L&T,

---

what is the use of vcb & isolator in substation?

4 Answers  

---

please give me all the Alarm .Trip ,Safety Relays & Conditions of UPS Systems mail me on ashokbabunhce@gmail.com

0 Answers  

---

why we did not mention ryb like byr in 3 phase

2 Answers   Ford,

---

what is the power factor used by the PHCN in nigeria? 2. what is the difference between an alternator and generator. 3. Generation of poweris in KV but how is transmission is in MW. 4.If the transmission of power is 20,000MW how can it be increaesed to 80,000MW

0 Answers  

---

what is th basic difference between a d latch time line and a d flip flop time line???

0 Answers  

---

what is the difference between star connected and delta connected motors

3 Answers   Welspun,

---

what is the different between bus section and bus coupler

1 Answers  

---

how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING) I O (current operating)?

0 Answers  

---

why are transformer rating in MVA

2 Answers   Suzlon,

---

why steady state stability limit is greater than transient stability limit ? How it can be explained ?

0 Answers  

---