Product Model
S203M-K4DC

Selling Points
- 1Dual Tripping Mechanisms: Features delayed thermal tripping for overload protection and electromechanical tripping for short circuit protection.
- 2Compact Design: Modular and compact, saving space with bottom-fitting auxiliary contact.
- 3High Breaking Capacity: Up to 10 kA at 230/400 V AC, ensuring reliable circuit interruption.
- 4Compliant Standards: Meets IEC/EN 60898-1 and IEC/EN 60947-2 standards for residential, commercial, and industrial use.
- 5Easy Installation: Designed for easy installation on DIN rail with screw terminals, suitable for various electrical distribution boards.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
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) | 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 | Power Loss | 4.17 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 | 2TAZ112300R0337 |
Specifications may be subject to change without notice