Main Switch Board Safeties

MSB Safeties

• Ebonite Rod.
• Rubber pad infront of switchboard.
• Dead-front type switchboard.
• 0.6 meter gap behind the switchboard.
• Fuse
• Circuit Breakers.
• Earth Fault indicators.
• Panel doors are earthed.
• No water, steam or oil pipelines to pass in its vicinity.
• Undervoltage Relay
• Reverse Power trip.
• Preferential trip.
• Overcurrent trip
• Arc Chut.
• Short-circuit trip.

About the Author 

Mr.Vineeth Moozhikkara He is a marine engineer sailing with British Petroleum.He has keen interest on compiling marine exam notes.Catch him on Facebook.