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ABB S203MT-Z63H10 MCB – S200M – 3P – Z – 63A
ABB S203MT-Z63H10 miniature circuit breaker, a 3-pole 63 A Z curve MCB with 10 kA breaking capacity for sensitive circuit protection in industrial, commercial and railway electrical systems.
Why Choose the ABB S203MT-Z63H10 Miniature Circuit Breaker?
The ABB S203MT-Z63H10 is a dependable miniature circuit breaker (MCB) designed to provide reliable 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 suited to industrial, commercial and railway applications where sensitive circuit protection is required.
With a 63 A rated current and Z-type tripping characteristic, the S203MT-Z63H10 provides sensitive magnetic tripping for circuits requiring rapid fault disconnection. This makes it suitable for specialist electrical systems, control circuits and applications where fast short-circuit response is important.
The ABB S203MT-Z63H10 features a compact DIN rail mounting format, robust current-limiting performance and a 10 kA rated short-circuit capacity. Its modular 3-pole construction supports straightforward installation inside electrical cabinets, distribution boards and industrial control panels.
Key Advantages
- Compact 3-pole miniature circuit breaker for professional circuit protection.
- 63 A rated current suitable for higher current three-phase circuits.
- Z-type tripping characteristic for sensitive short-circuit protection.
- 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.
- Z curve tripping characteristic.
- 10 kA rated short-circuit capacity.
- Thermal overload protection.
- Electromagnetic short-circuit protection.
- Compact DIN rail mounting design.
Sensitive Protection for High Current Electrical Systems
Miniature circuit breakers such as the ABB S203MT-Z63H10 automatically disconnect electrical circuits when overload or short-circuit faults occur. This helps protect cables, connected equipment and downstream components from excessive current and fault energy.
The Z curve characteristic provides fast magnetic tripping sensitivity, making this MCB suitable for circuits where rapid disconnection is required. Its 3-pole configuration allows simultaneous protection and isolation of three-phase circuits in industrial control panels, distribution boards and specialist electrical installations.
Typical Applications
- Industrial control panels and automation systems.
- Three-phase distribution circuits.
- Control and signalling circuits.
- Railway and transport electrical systems.
- Commercial electrical installations.
- OEM machinery and equipment panels.
Technical Specifications
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| Current | 63 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCB | |
| Trip Curve | Z curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | S200MT | |
| Model | S203MT-Z63H10 | |
| MPN | 2CDV273006R0608 | |
| Product type | Miniature circuit breaker | |
| Number of poles | 3P | |
| Rated current | 63 A | |
| Tripping characteristic | Z curve | |
| Rated short-circuit capacity | 10 kA | |
| Rated operational voltage | up to 440 V AC | |
| Rated insulation voltage | 440 V | |
| Rated impulse withstand voltage | 4 kV | |
| Rated frequency | 50 / 60 Hz | |
| Protection rating | IP20 | |
| Mounting type | DIN rail mounting | |
| Dimensions (H × W × D) | approx. 88 × 52.5 × 69 mm |
Frequently Asked Questions
What is the ABB S203MT-Z63H10 used for?
The ABB S203MT-Z63H10 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 Z curve characteristic mean?
The Z curve provides sensitive short-circuit tripping, making the MCB suitable for circuits requiring fast magnetic protection.
How many poles does the S203MT-Z63H10 have?
The ABB S203MT-Z63H10 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 transport specialists to deliver dependable circuit protection in demanding industrial, commercial and railway applications.
