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ABB S203MT-K63H10 MCB – S200M – 3P – K – 63A
ABB S203MT-K63H10 miniature circuit breaker, a 3-pole 63 A K curve MCB with 10 kA breaking capacity for industrial, commercial and railway electrical protection.
Why Choose the ABB S203MT-K63H10 Miniature Circuit Breaker?
The ABB S203MT-K63H10 is a robust miniature circuit breaker (MCB) designed to provide dependable protection against overloads and short circuits in demanding electrical installations. As part of the ABB S200MT miniature circuit breaker range, this 3-pole device is suitable for industrial, commercial and railway applications where reliable circuit protection is essential.
With a 63 A rated current and K-type tripping characteristic, the S203MT-K63H10 is well suited to circuits with higher inrush currents, including motors, transformers and inductive loads. Its current-limiting design helps reduce fault energy and protect downstream equipment during short-circuit conditions.
The ABB S203MT-K63H10 features a compact DIN rail mounting format, a 10 kA rated short-circuit capacity and durable 3-pole construction for three-phase circuit protection. It is designed for straightforward installation inside control panels, electrical cabinets and distribution boards.
Key Advantages
- Compact 3-pole miniature circuit breaker for professional circuit protection.
- 63 A rated current suitable for higher current three-phase circuits.
- K-type tripping characteristic for loads with higher inrush currents.
- 10 kA breaking capacity for dependable fault interruption.
- Current-limiting design helps reduce stress on downstream equipment.
- DIN rail mounting for fast installation in panels and enclosures.
Key Features
- ABB S200MT miniature circuit breaker series.
- 3-pole MCB configuration.
- 63 A rated current.
- K curve tripping characteristic.
- 10 kA rated short-circuit capacity.
- Thermal overload protection.
- Electromagnetic short-circuit protection.
- Compact DIN rail mounting design.
Reliable Protection for High Current Electrical Circuits
Miniature circuit breakers such as the ABB S203MT-K63H10 automatically disconnect electrical circuits when overload or short-circuit faults occur. This helps protect cables, connected loads and downstream components from excessive current and fault energy.
The K curve characteristic makes this MCB suitable for applications where higher starting currents are expected, including motors, transformers and other inductive loads. Its 3-pole configuration allows simultaneous protection and isolation of three-phase circuits in professional electrical systems.
Typical Applications
- Industrial control panels and automation systems.
- Three-phase distribution circuits.
- Motor and transformer circuits.
- Railway and transport electrical systems.
- Commercial electrical installations.
- Machine building and OEM equipment panels.
Technical Specifications
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| Current | 63 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCB | |
| Trip Curve | K curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | S200MT | |
| Model | S203MT-K63H10 | |
| MPN | 2CDV273006R0607 | |
| Product type | Miniature circuit breaker | |
| Number of poles | 3P | |
| Rated current | 63 A | |
| Tripping characteristic | K curve | |
| Rated short-circuit capacity | 10 kA | |
| Rated operational voltage | up to 440 V AC | |
| Rated frequency | 50 / 60 Hz | |
| Protection rating | IP20 | |
| Mounting type | DIN rail mounting | |
| Dimensions (H × W × D) | approx. 88 × 52.5 × 69 mm | |
| Product range | System pro M compact |
Frequently Asked Questions
What is the ABB S203MT-K63H10 used for?
The ABB S203MT-K63H10 is used to protect three-phase electrical circuits against overloads and short circuits.
What current rating does this MCB have?
This miniature circuit breaker has a rated current of 63 A.
What does the K curve characteristic mean?
The K curve is designed for circuits with higher inrush currents, making it suitable for motors, transformers and other inductive loads.
How many poles does the S203MT-K63H10 have?
The ABB S203MT-K63H10 is a 3-pole miniature circuit breaker.
Where is this circuit breaker typically installed?
It is typically installed on DIN rail inside electrical cabinets, control panels and distribution boards.
Trusted by Electrical Engineers Worldwide
ABB S200MT miniature circuit breakers are used by panel builders, electrical engineers and automation specialists to deliver reliable circuit protection in industrial, commercial and railway applications.
