Product Model
S203M-Z1NA

Selling Points
- 1Current limiting and dual tripping mechanisms for enhanced safety.
- 2Compliant with IEC/EN 60898-1 and IEC/EN 60947-2 standards.
- 3Available in various configurations (1P, 1P+N, 2P, 3P, 3P+N, 4P) and characteristics (B, C, D, K, Z).
- 4Breaking capacities up to 10 kA at 230/400 V AC and rated currents up to 63 A.
- 5Compact design with bottom-fitting auxiliary contact for space-saving installation.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Standards | CSA 22.2 No. 235 IEC/EN 60947-2 UL 1077 | Tripping Characteristic | Z |
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 Minimum 12 V AC Minimum 12 V DC |
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 |
Rated Current (In) | 1 A | Rated Short-Circuit Capacity | (AC) 10 kA (DC) 10 kA (230 V AC) 10 kA (400 V AC) 10 kA (400 V) 10 kA |
Rated Ultimate Short-Circuit Breaking Capacity (Icu) | (230 V AC) 25 kA (400 V AC) 15 kA (440 V AC) 15 kA (230 V) 25 kA (400 V) 15 kA | Rated Conditional Short-Circuit Current (Inc) | (230 V) 25 kA (400 V) 15 kA |
Rated Service Short-Circuit Breaking Capacity (Ics) | (230 V AC) 7.5 kA | Rated Frequency (f) | 50 / 60 Hz |
Power Loss | 9.2 W at Rated Operating Conditions per Pole 2.3 W | Power Supply Connection | Arbitrary |
Contact Position Indication | Red ON / Green OFF | Energy Limiting Class | 3 |
Mechanical Endurance | 20000 cycle | Number of Protected Poles | 3 |
Number of Poles | 3+N | Overvoltage Category | III |
Position of Neutral Terminals | Right | Tightening Torque | 2.8 N·m |
Screw Terminal Type | Failsafe Bi-directional Cylinder-lift Terminal | Actuator Marking | I / O |
Actuator Material | Insulation Group II, Black, Sealable | Housing Material | Insulation Group II, RAL 7035 |
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 |
Connecting Capacity | Busbar 10 / 10 mm² Flexible with Ferrule 0.75 ... 25 mm² Flexible 0.75 ... 25 mm² Flexible 0.75 ... 25 mm² Rigid 0.75 ... 35 mm² Rigid 0.75 ... 35 mm² Stranded 0.75 ... 35 mm² | Installation Size | acc. to DIN 43880 1 |
Terminal Type | Screw Terminals | Ambient Air Temperature | Operation -25 ... +55 °C Storage -40 ... +70 °C |
Reference Ambient Air Temperature | 30 °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 |
Maximum Operating Voltage UL/CSA | 125 V DC 480Y / 277 V AC | Interrupting Rating acc. to UL1077 | (125 V DC) 10 kA (277 V AC) 6 kA (480Y / 277 V AC) 6 kA |
Connecting Capacity UL/CSA | Busbar 14-8 AWG Conductor 14-4 AWG | Tightening Torque UL/CSA | 18 in·lb |
Width in Number of Modular Spacings | 4.0 | Product Net Width | 70 mm |
Product Net Height | 88 mm | Product Net Depth / Length | 69 mm |
Product Net Weight | 0.5 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 | 2CDS273103R0218 |
Specifications may be subject to change without notice