Main Switch Board [MSB] Safeties

Electrical Safeties :

• Dead front type switchboard,
• Fuses,
• Relays,
• Circuit breakers,
• Earth fault indicators,
• Under Voltage relay,
• Reverse power trip,
• Preferential trip,
• Over current trip,
• Short circuit trip,
• Arc chute,
• Ebonite rod ( to remove static charge),

General Safeties :

• Insulated hand gloves,
• Dry Boiler suits,
• Shoes without metallic part,
• Rubber pad in front of switchboard,
• 0.6m gap behind switchboard,
• Panel doors to be earthed,
• Interlocked handles for opening doors.
• No water, oil, or steam pipeline in its vicinity.

Also Read: Maintenance of the MSB