Post Quiz - Day 1 - ACB, MCCB and SDF

What is the entire range of Ultra power ACBs available with BCH?

• 800A - 6300A
• 800A - 4000A
• 1000A - 4000A
• 1000A - 3200A

For conversion of MDO to EDO version in Ultra power ACBs simply add……

• Electrical closing device (ECD)
• Shunt release (SR)
• Closing release (CR)
• All of the above

Entire range of Ultra power ACBs is having

• Icu=Ics=Icw for 1 sec
• Ics=50%Icu @ 415/440V
• Ics=Icw= 50% Icu
• None of the above

Which type of BU-BTX protection releases having inbuild harmonics measurement ?

• BTX 1.5Gi

• BTX 3.5
• BTX 3.5H
• None of the above

In India, ACB's & MCCB's are tested & certified as per which standard ?

• IS/IEC 60947-2
• IS/IEC 60947-3
• IS/IEC 60947-1
• IS/IEC 60947-4

MCCB can be used for protection against which type of fault(s)

• Short circuit fault only
• Overload fault only
• Earth Fault only
• All of above

Which Circuit breaker are 'TYPE - B' Category ?

• MCB
• MCCB
• ACB
• All of the above

What of the following user friendly feature(s) available of Ultra power ACBs ?

• Common depth & height
• Modular & Snap fit accessories
• User friendly Arc-Chutes
• All of the above

Entire X - range of MCCBs are…..breakers.

• Voltage Limiting
• Power Limiting
• Current Limiting
• None of the above

Which of the following feature(s) are available in our X- range of MCCBs ?

• Line load interchangeability
• Suitable for isolation
• Double Isolation
• All of the above