S203-C50 BULK
Product ID:77461
Updated: 2026/4/4
Key Features
- 1Comply with IEC/EN 60898-1, IEC/EN 60947-2, and UL1077 standards. 2、Ensure protection with dual tripping mechanisms: delayed thermal and electromechanical. 3、Deliver 10 kA breaking capacity at 400V AC for robust safety. 4、Mount easily on DIN Rails for compact and efficient installation. 5、Safeguard residential, commercial, and industrial applications reliably.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Standards | IEC/EN 60898-1 IEC/EN 60947-2 UL 1077 | Tripping Characteristic | C |
| Rated Operational Voltage | acc. to IEC 60898-1 400 V AC acc. to IEC 60898-1 400 V acc. to IEC 60947-2 440 V AC | Operational Voltage | Maximum (Incl. Tolerance) 440 V AC |
| Rated Insulation Voltage (Ui) | acc. to IEC/EN 60664-1 440 V | Rated Impulse Withstand Voltage (Uimp) | 4 kV at 2000 m 5 kV at Sea Level 6.2 kV |
| Dielectric Test Voltage | 50/60 Hz-1 min: 2 kV | Input Voltage Type | AC/DC |
| Rated Current (In) | 50 A | Rated Short-Circuit Capacity | (AC) 6 kA (DC) 6 kA (400 V AC) 6 kA (400 V) 6 kA |
| Rated Ultimate Short-Circuit Breaking Capacity (Icu) | (230 V AC) 20 kA (400 V AC) 10 kA (230 V) 20 kA (400 V) 10 kA | Rated Conditional Short-Circuit Current (Inc) | (230 V) 10 kA (400 V) 10 kA |
| Rated Service Short-Circuit Breaking Capacity (Ics) | (230 V AC) 15 kA (400 V AC) 7.5 kA (440 V AC) 7.5 kA | Rated Frequency (f) | 50 / 60 Hz |
| Power Loss | 9.75 W at Rated Operating Conditions per Pole 3.25 W | Power Supply Connection | Arbitrary |
| Contact Position Indication | Red ON / Green OFF | Energy Limiting Class | 3 |
| Number of Protected Poles | 3 | Number of Poles | 3 |
| Overvoltage Category | III | Tightening Torque | 2.8 N·m |
| Mounting Type | DIN-Rail | Screw Terminal Type | Failsafe Bi-directional Cylinder-lift Terminal |
| Actuator Marking | I / O | Housing Material | Insulation Group II, RAL 7035 |
| Options Provided | Unpacked | Mounting Position | any |
| Recommended Screw Driver | Pozidriv 2 | Accessories Available | Yes |
| Connecting Capacity | Flexible with Ferrule 0.75 ... 25 mm² Flexible 0.75 ... 25 mm² Rigid 0.75 ... 35 mm² Rigid 0.75 ... 35 mm² Stranded 0.75 ... 35 mm² | Wire Stripping Length | 12.5 mm |
| Terminal Type | Screw Terminals | Ambient Air Temperature | Operation -25 ... +55 °C |
| Degree of Protection | IP20 IP40 Enclosure with Cover IP40 | Pollution Degree | 3 |
| Environmental Conditions | 28 cycles with 55 °C / 90-96 % and 25 °C / 95-100 % | Resistance to Vibrations | 20 Cycles with Load 0.8 In: 5g 5 ... 150 ... 5 Hz |
| Resistance to Shock acc. to IEC 60068-2-27 | 25g 2 shocks 13 ms | Interrupting Rating acc. to UL1077 | (480Y / 277 V AC) 6 kA (240 V) 10 kA |
| Connecting Capacity UL/CSA | Busbar 18-8 AWG | Tightening Torque UL/CSA | 18 in·lb |
| Width in Number of Modular Spacings | 3.0 | Product Net Width | 52.5 mm |
| Product Net Depth / Length | 69 mm | Product Net Weight | 0.375 kg |
| Pole Net Weight | 0.125 kg | Built-In Depth (t2) | 69 mm |
| Dimension Diagram | 2CDC022007F0010 | 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 | 8536 20 10 |
| UNSPSC | 39121603 | eClass | V11.0 : 27141901 |
| IDEA Granular Category Code (IGCC) | 4897 >> Miniature circuit breakers | Object Classification Code | F |
| Manufacturer ID | 2CDS253001U0504 |
Specifications may be subject to change without notice