The ABB SH 203 6 KA 3 Pole Miniature Circuit Breaker is designed to provide robust protection for three-phase electrical circuits, safeguarding your systems from overloads and short circuits. This breaker is specifically engineered to meet the demands of residential, commercial, and light industrial applications, ensuring safety and performance in critical electrical installations.
The ABB SH 203 6 KA 3 Pole Miniature Circuit Breaker is designed to offer high-performance protection for three-phase circuits. This breaker is engineered to trip instantly during overload or short-circuit conditions, protecting valuable equipment and preventing potential electrical hazards. The 6 KA breaking capacity ensures that the breaker can safely handle fault currents, reducing the risk of fire and equipment failure.
Thanks to its thermal-magnetic trip mechanism, the SH 203 can accurately detect fault conditions in real-time, offering both thermal protection against prolonged overloads and magnetic protection for short circuits. This allows the breaker to swiftly disconnect power, ensuring the safety of your electrical systems.
The breaker’s compact design makes it an excellent choice for environments where space is limited. Its robust build quality ensures reliability and longevity, even under demanding conditions. Whether you are installing it in residential electrical panels, commercial distribution systems, or light industrial control setups, the ABB SH 203 offers optimal protection and peace of mind.
Key Features:
- 3-Pole Configuration: Designed for three-phase systems, offering reliable protection for complex electrical circuits.
- High Breaking Capacity: With a 6 KA breaking capacity, it efficiently handles fault currents and minimizes the risk of electrical damage.
- Thermal-Magnetic Trip Mechanism: Ensures precise detection of overloads and short circuits, offering quick disconnection to protect equipment.
- Compact and Durable Design: Its compact size makes it ideal for space-constrained environments, while the durable construction ensures long-lasting performance.
- Wide Application: Suitable for residential, commercial, and light industrial installations, providing versatile protection across various sectors.
Specifications
Design
| Product or component type | Miniature Circuit Breaker (MCB) |
| Complementary | Provided equipment |
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| Mounting | DIN Rail Mounting (EN 60715) |
| Terminal Type | Screw Clamp Terminals |
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Torque for Terminals | 2.0 Nm (recommended) |
| Mechanical Life | ≥ 20,000 operations |
| Electrical Life | ≥ 10,000 operations |
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Electrical
Rated Current (In) | 6A, 10A, 16A, 20A, 25A, 32A, 40A, etc. |
| Rated Voltage (Ue) | 230/400V AC |
| |
Breaking Capacity (Icn) | 6 kA |
| Tripping Characteristics | Type B, C, D |
| Isolation Function | Yes (visible contact gap) |
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Environmental
Operating Temperature | -25°C to +55°C |
| Storage Temperature | -40°C to +70°C |
| Humidity | ≤ 95% (non-condensing) |
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Pollution Degree | 2 (as per IEC 60664) |
| Altitude | Up to 2000 meters above sea level |
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Physical
Certifications
International Standards | IEC 60898-1, IEC 60947-2 |
| Certifications | CE, CCC, RoHS compliant |
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Applications
| Commercial and office spaces | Yes |
| Industrial control panels | Yes |
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| Power distribution boards | Yes |
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