| Brand | Crabtree |
| Breaking Capacity (Inc) | 6 kA |
| CSU Device | MCBs |
| Curve Type | B Curve |
| Incomer Fitting Type | Plug-In |
| Manufacturer Guarantee | 1 Year Guarantee |
| Model Name | Starbreaker |
| Model No | S61/B40 |
| No. of Phases | Single-Phase |
| Number of Poles | Single Pole |
| Pack Size | 1 |
| Pieces in Pack/Case | 1 |
| Product Type | MCB |
| Rated Impulse Withstand Voltage (Uimp) | 4 kV |
| Rated Operational Current (In) | 40 A |
| Rated Operational Voltage (Ue) | 230 V |
| Suitable Cable Size | 0.75-25 mm² |
| z1 - UK Manufacturer Name | Electrium Sales Ltd |
| z2 - UK Manufacturer Postal Address | Walkmill Lane, Cannock, West Midlands, WS11 OXE |
| z3 - UK Manufacturer Electronic Address | www.electrium.co.uk |
| z4 - EU Manufacturer Name | Siemens Ltd |
| z5 - EU Manufacturer Postal Address | Old Finglas Road, Dublin, Ireland |
| z6 - EU Manufacturer Electronic Address | www.siemens.com |
