S203M-K25DC
Product ID:79763
Updated: 2026/4/4
Key Features
- 1Limit fault currents with delayed thermal and electromechanical tripping mechanisms. 2、Ensure universal compliance with IEC/EN 60898-1 and 60947-2 standards. 3、Handle high currents reliably with a 10 kA breaking capacity at 230/400V AC. 4、Save 50% installation space using a bottom-fitting auxiliary contact design. 5、Select optimal protection from various characteristics and pole configurations.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Standards | IEC/EN 60947-2 GB 14048 | Tripping Characteristic | K |
| Rated Voltage (Ur) | 440 V | Rated Operational Voltage | 440 V DC |
| Rated Insulation Voltage (Ui) | 440 V | Rated Impulse Withstand Voltage (Uimp) | 4 kV |
| Input Voltage Type | DC | Rated Current (In) | 25 A |
| Rated Short-Circuit Capacity | (400 V) 10 kA | Rated Ultimate Short-Circuit Breaking Capacity (Icu) | (440 V DC) 10 kA |
| Rated Conditional Short-Circuit Current (Inc) | (400 V) 10 kA | Frequency (f) | 0...0 Hz |
| Rated Frequency (f) | 0-0 Hz | Power Loss | 8.43 W |
| Energy Limiting Class | 3 | Number of Protected Poles | 3 |
| Number of Poles | 3 | Overvoltage Category | III |
| Release Type | K | Options Provided | DC application |
| Accessories Available | Yes | Connecting Capacity | Flexible 0 ... 25 mm² Rigid 0 ... 35 mm² |
| Ambient Temperature | -25...55 °C | Ambient Air Temperature | Operation -25...55 °C |
| Degree of Protection | IP20 | Pollution Degree | 3 |
| Width in Number of Modular Spacings | 3 | Product Net Width | 0.053 m |
| Product Net Height | 0.088 m | Product Net Depth / Length | 0.044 m |
| Product Net Weight | 0.375 kg | Built-In Depth (t2) | 69 mm |
| ETIM 8 | EC000042 - Miniature circuit breaker (MCB) | ETIM 9 | EC000042 - Miniature circuit breaker (MCB) |
| WEEE Category | 5. Small Equipment (No External Dimension More Than 50 cm) | WEEE B2C / B2B | Business To Business |
| CN8 | 85362010 | eClass | V11.0 : 27141901 |
| Object Classification Code | F | Manufacturer ID | 2TAZ112300R0517 |
Specifications may be subject to change without notice