ABB | MINIATURE CIRCUIT BREAKER
Product overview
The ABB S203M-C63 is a 3P, 63A C-curve miniature circuit breaker for AC final-circuit protection. Its exact ABB ordering reference is 2CDS273001R0634. It provides thermal overload and electromagnetic short-circuit protection.
Key features
- 10kA Icn according to IEC/EN 60898-1 under the stated rated-voltage conditions
- DIN-rail mounting and screw terminals
- Compatible indication, auxiliary-contact and voltage-specified operating accessories
Technical selection summary
| Exact complete type | S203M-C63 |
|---|---|
| ABB ordering reference | 2CDS273001R0634 |
| Series | S200M |
| Poles | 3P |
| Rated current | 63A |
| Tripping characteristic | C |
| Rated voltage | 400V AC |
| Rated short-circuit capacity Icn | 10kA according to IEC/EN 60898-1 at the stated AC voltage |
| Standards | IEC/EN 60898-1; IEC/EN 60947-2 |
| Installation | 35mm DIN rail; screw terminals |
Accessories and installation
The base parameters on this page match the title. Select auxiliary contacts, trip indication, a motor operator or a remote release to display the compatible accessory type and ABB ordering reference. Accessory supply voltage and contact arrangement are recorded with your quote list. Motorized operation and a remote release are offered as alternative configurations.
Typical applications
- Commercial and industrial distribution boards
- AC final-circuit and equipment branch protection
Specify your enquiry
Include the complete model, ABB order code, quantity, system voltage and required accessories. Confirm the accessory control voltage and contact arrangement for your application.
ABB System pro M compact complete technical catalogue (PDF)
Related products
S200 / S200M complete series selector · ABB MCB products
Catalogue data and dimensions
The manufacturer photograph illustrates the corresponding pole and series family. The exact model and ordering reference above define this configuration. Complete catalogue pages below retain their titles, product illustrations and footnotes.
