
ST203M-C25
By ABB
SKU
ABBST203MC25
MPN
2CDS273334R0254
Weight
0.372 kg
ABB ST203M-C25 Miniature Circuit Breaker (MCB) – 3P, 25A, C Curve
Compact 3-pole MCB for reliable 3-phase circuit protection. C-characteristic tripping, rated current 25 A, suitable for AC/DC applications up to 400 V (IEC 60898-1 / IEC 60947-2). High breaking capacity: Icu 15 kA @ 400 V AC (Ics 11.2 kA). Energy limiting class 3, IP20, 50/60 Hz. Double-clamp terminals: up to 35 mm² rigid / 25 mm² flexible.
Product ID: 2CDS273334R0254 | EAN: 4016779024082
Documents
Technical Specifications
Technical
| Standards | CSA 22.2 No. 235 |
| Standards | IEC/EN 60947-2 |
| Standards | UL 1077 |
| Tripping characteristic | C |
| Rated Operational Voltage | acc. to IEC 60898-1 400 V |
| Rated Operational Voltage | acc. to IEC 60947-2 400 V |
| Rated Insulation Voltage (Ui) | acc. to IEC/EN 60664-1 440 V |
| Rated Impulse Withstand Voltage (Uimp) | 4 kV |
| Input Voltage Type | AC |
| Rated Current (In) | 25 A |
| Rated Ultimate Short-Circuit Breaking Capacity (Icu) | (400 V AC) 15 kA |
| Rated Ultimate Short-Circuit Breaking Capacity (Icu) | (400 V) 15 kA |
| Rated Conditional Short-Circuit Current (Inc) | (230 V) 15 kA |
| Rated Conditional Short-Circuit Current (Inc) | (400 V) 15 kA |
| Rated Service Short-Circuit Breaking Capacity (Ics) | (400 V AC) 11.2 kA |
| Rated Frequency (f) | 50 / 60 Hz |
| Power Loss | 3.8 W |
| Power Loss | at Rated Operating Conditions per Pole 1.9 W |
| Energy Limiting Class | 3 |
| Number of Protected Poles | 3 |
| Number of Poles | 3 |
| Overvoltage category | III |
| Accessories Available | Yes |
| Connecting Capacity | Flexible 25 ... 25 mm² |
| Connecting Capacity | Rigid 35 ... 35 mm² |
| Terminal Type | Double Clamp |
Technical UL/CSA
| Interrupting Rating acc. to UL1077 | (125 V DC) 10 kA |
| Interrupting Rating acc. to UL1077 | (480Y / 277 V AC) 10 kA |
Dimensions
| Width in Number of Modular Spacings | 3 |
| Product Net Width | 52.5 mm |
| Product Net Height | 88 mm |
| Product Net Depth / Length | 69 mm |
| Product Net Weight | 0.345 kg |
| Built-In Depth (t2) | 69 mm |
Installation
| Instructions and Manuals | 9AKK107046A3150 |
Why Proax for ABB ST203M-C25?
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Additional Information
| Alternate Names | ST203MC25 |
| Pack Size | 1 |
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