S203MTR-K2
Product ID:77435
Updated: 2026/4/4
Key Features
- 1Install easily with a compact, space-saving design. 2、Protect circuits reliably against overloads and short circuits. 3、Achieve significant savings with an affordable price point. 4、Utilize across residential, commercial, and industrial applications. 5、Meet global standards including UL, CSA, and IEC certifications.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Standards | IEC/EN 60947-2 | Tripping Characteristic | K |
| Rated Voltage (Ur) | 440 V | Rated Operational Voltage | 440 V AC acc. to IEC 60898-1 440 V acc. to IEC 60947-2 240 V AC |
| Operational Voltage | Minimum 12 V AC / 12 V DC | Rated Insulation Voltage (Ui) | acc. to IEC/EN 60664-1 440 V |
| Rated Impulse Withstand Voltage (Uimp) | at Sea Level 4 kV | Dielectric Test Voltage | 50/60 Hz-1 min: 2 kV |
| Input Voltage Type | AC | Rated Current (In) | 2 A |
| Rated Short-Circuit Capacity | 10 kA (230 V) 10 kA (400 V) 25 kA | Rated Ultimate Short-Circuit Breaking Capacity (Icu) | 25 kA (230 V) 25 kA (400 V) 25 kA |
| Rated Service Short-Circuit Breaking Capacity (Ics) | 12.5 kA | Rated Frequency (f) | 50 / 60 Hz |
| Power Loss | 4.1 W | Power Supply Connection | Arbitrary |
| Contact Position Indication | ON / OFF | Energy Limiting Class | 3 |
| Mechanical Endurance | 20000 cycle | Number of Protected Poles | 3 |
| Number of Poles | 3 | Overvoltage Category | III |
| Tightening Torque | 2.8 N·m | Screw Terminal Type | Ring-Tongue Terminal with Captive Screw |
| Actuator Marking | I / O | Actuator Material | Insulation Group II, Black, Sealable |
| Housing Material | Insulation Group I, RAL 7035 | Options Provided | Suitable for traction application |
| Mounting on DIN Rail | TH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715 TH35-7.5 (35 x 7.5 mm Mounting Rail) acc. to IEC 60715 | Mounting Position | any |
| Recommended Screw Driver | Pozidriv 2 | Accessories Available | Yes |
| Number of Batteries | 0 | Connecting Capacity | Busbar 16 mm² Flexible 0.75 ... 25 mm² Rigid 0.75 ... 35 mm² |
| Terminal Type | Ring-Tongue Terminals | Ambient Air Temperature | Operation -40 ... +75 °C Storage -40 ... +75 °C |
| Degree of Protection | IP20 Enclosure with Cover IP20 | 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 | Width in Number of Modular Spacings | 3.0 |
| Product Net Width | 52.5 mm | Product Net Height | 85 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 |
| 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 | 2CDS273447R0277 |
Specifications may be subject to change without notice