Search Results for: circuit breakers
- Instrumentation Questions
300+ Instrumentation Engineering Interview Questions – Part 3
1. What exactly is a SCADA network? Supervisory control and data acquisition is an abbreviation for a computer system that…
Read More » - Electrical
Difference Between NO and NC Contacts
Logic is constructed based on the open or closed state of switches, sensors, or relays in every control circuit and…
Read More » - Electrical
What is Capacitive Voltage Transformer?
CVT Capacitive Voltage Transformer is a step-down transformer that changes high voltage into low voltage. Capacitor Voltage Transformers transform transmission…
Read More » - Electrical
Basic Electrical Symbols & their Meanings
Circuit diagrams virtually represent electrical symbols or electronic circuitry. The parts of a circuit are represented by a few common…
Read More » - Electrical
What is meant by High Rupturing Capacity (HRC) Fuse?
High Rupturing Capacity (HRC) Fuse: The HRC fuse or High Rupturing Capacity fuse, works similarly to a standard fuse in…
Read More » - Electrical
Types of Tripping Mechanism in MCCB
What is Moulded Case Circuit Breakers (MCCB)? An electrical MCCB is a moulded case circuit breaker in its entire form.…
Read More » - Electrical
Contactor and its working
What is a Contactor? A contactor is an electromagnetic switch that is used to turn on and off an electrical…
Read More » - Electrical
What is Auxiliary Contact and how it works with MCB?
A miniature circuit breaker can provide much more than current protection, it can also provide remote tripping, status indicator, under-voltage/overvoltage protection,…
Read More » - Electrical
What are the Characteristics of trip Curves of the MCB?
Trip Curve of MCB: The Trip Curve is a graphical representation of the circuit protection devices. Fuse, MCB’s, MCCB’s, supplementary…
Read More » - Electrical
What is a gas-insulated substation (GIS)?
A substation consists of many types of equipment such as transformers, circuit breakers, etc, to do the transmission and the…
Read More »