Component | Function | Details / Notes |
---|---|---|
Incoming Circuit Breaker / Main Breaker | Protects the panel from overloads and short circuits | Types include ACB (Air Circuit Breaker), MCCB (Molded Case Circuit Breaker) |
Bus Bars | Distribute power to multiple motor feeders | Made of copper or aluminum; rated for total load current |
Contactors | Remote switching of motors | Electrically operated switches designed for frequent on/off control |
Overload Relays | Protect motors from overheating and overcurrent | Trips the motor circuit during abnormal load conditions |
Outgoing Circuit Breakers or Fuses | Individual circuit protection | MCCB, MCB, or HRC Fuses used based on load requirements |
Current Transformers (CTs) | Current measurement and protection | Supports metering and relay-based safety systems |
Energy Meter / Ammeter / Voltmeter | Power parameter monitoring | Multi-function digital meters may provide consolidated readings |
Control Devices | Operational control of motors | Includes Push Buttons, Selector Switches (Auto/Manual, FWD/REV), and Indicating Lamps (Running/Stop/Fault) |
Terminal Blocks & Control Wiring | Internal and external connectivity | Ensures organized layout and easy troubleshooting |
Cable Alley / Wire Ducts | Segregates power and control cables | Maintains neatness and safety; supports easy maintenance |
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