S203M-B4DC
Product ID:78513
Updated: 2026/4/6
Key Features
- 1Deliver high inbuilt short circuit breaking capacity across the entire model line. 2、Enable flexible AC and DC application for versatile usage scenarios. 3、Ensure compliance with all major international and local safety standards. 4、Facilitate easy integration with System pro M compact accessories. 5、Guarantee reliable performance in various environmental conditions.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Standards | IEC/EN 60898-2 GB 10963 IEC/EN 60947-2 GB 14048 | Tripping Characteristic | B |
| 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) | 4 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 | Energy Limiting Class | 3 |
| Number of Protected Poles | 3 | Number of Poles | 3 |
| Overvoltage Category | III | Release Type | B |
| 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 | 2TAZ112300R0045 |
Specifications may be subject to change without notice