| Sub Category Code | Description |
| N10.01 | RESIDUAL CURRENT CIRCUIT BREAKER (RCCB) |
| N10.02 | RESIDUAL CURRENT BREAKER WITH OVERCURRENT PROTECTION (RCBO) |
| N10.03 | MINIATURE CIRCUIT BREAKER (MCB)FOR AC |
| N10.04 | MINIATURE CIRCUIT BREAKER (MCB)FOR AC & DC |
| N10.05 | FUSE BASE & CARRIER UP TO 32A |
| N10.06 | FUSE/FUSE LINK UP TO 63A |
| N10.07 | SWITCH FUSE UP TO 63A |