Problem this solves
Use this guide to pick the correct protection device before requesting a panel quote.
Protection device comparison
| Device | Protects against | Typical use |
|---|---|---|
| MCB | Overload/short circuit | Final circuits |
| MCCB | Overload/short circuit | Higher current feeders |
| RCCB | Earth leakage | Personnel protection |
Selection steps
- 1Confirm current rating and breaking capacity.
- 2Identify if earth leakage protection is required.
- 3Check pole count and frame size.
- 4Match accessories and auxiliaries.
Include When Confirming Specifications
- Device type (MCB/MCCB/RCCB)
- Current rating and kA rating
- Pole count and frame size
- Auxiliary or shunt trip requirements