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ABB 2CDS381001R0634 S301P-C63 1P 63A 15kA DIN Rail Miniature Circuit Breaker (MCB)
ABB 2CDS381001R0634 S301P-C63 1P 63A 15kA DIN Rail Miniature Circuit Breaker (MCB)
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- Description
At the top of its 1-pole range, the ABB 2CDS381001R0634 S301P-C63 miniature circuit breaker is rated 63 A with a C tripping characteristic for industrial AC/DC circuits in ABB's System pro M compact S300P series. It carries a 15 kA breaking capacity (Icn) under IEC 60898-1, versus a 100 kA IEC 60947-2 Icu at 230/240 V AC.
Technical Specifications
| SKU | 2CDS381001R0634 |
| Brand | ABB |
| Series | S300P |
| Catalog Designation | S301P-C63 |
| EAN | 4016779079945 |
| Number of Poles | 1P |
| Rated Current (In) | 63 A |
| Tripping Characteristic | C |
| Input Voltage Type | AC/DC |
| Rated Short-Circuit Capacity (Icn, IEC 60898-1, AC) | 15 kA |
| Rated Ultimate Short-Circuit Breaking Capacity (Icu, IEC 60947-2) | 25 kA at 240 V AC, 72 V DC |
| Rated Service Short-Circuit Breaking Capacity (Ics) | 7.5 kA at 240 V AC, 72 V DC |
| Rated Operational Voltage | 240 V AC (IEC 60898-1 and IEC 60947-2) |
| Rated Insulation Voltage (Ui) | 500 V |
| Rated Impulse Withstand Voltage (Uimp) | 6 kV |
| Rated Frequency (f) | 50/60 Hz / DC |
| Power Loss | 6 W total |
| Overvoltage Category | IV |
| Degree of Protection | IP20 / IP40 with cover |
| Mounting | TH35 DIN-Rail, any position, 90 mm grid distance |
| Net Weight | 0.128 kg |
Certifications & Standards
- IEC/EN 60898-1
- IEC/EN 60947-2
- UL 1077
- CSA 22.2 No. 235
Selection Notes
As the highest-current S301P-C variant in this batch, 2CDS381001R0634 shares the 50 A model's 15 kA IEC 60898-1 Icn rather than the 25 kA used on the lower-current models - size short-circuit studies accordingly. At 63 A it suits a heavier sub-distribution branch or a small sub-main rather than a final circuit. Where the fault level exceeds 15 kA, coordinate it with an upstream current-limiting device rather than relying on Icu alone.