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ABB S202MT-Z8 MCB – S200M – 2P – Z – 8A
ABB S202MT-Z8 two pole miniature circuit breaker with 8 A rated current, Z characteristic and 10 kA breaking capacity for railway and industrial electrical protection.
Why Choose the ABB S202MT-Z8 Miniature Circuit Breaker?
The ABB S202MT-Z8 is a premium 2-pole miniature circuit breaker (MCB) designed to provide dependable overload and short-circuit protection for railway, rolling stock and demanding industrial applications. As part of the proven ABB S200MT series, it delivers outstanding reliability, excellent current limiting performance and compliance with international standards for traction and specialist electrical installations.
Developed specifically for transport and industrial environments, the S200MT range combines robust construction with a compact modular design for straightforward DIN rail installation. Every device is engineered to withstand demanding operating conditions whilst delivering long service life and dependable protection.
Featuring a 8 A rated current, Z tripping characteristic and a 10 kA breaking capacity, the ABB S202MT-Z8 is ideally suited to protecting sensitive electronic equipment, signalling systems, control circuits and specialist automation applications where rapid magnetic tripping is required.
Key Advantages
- Designed specifically for railway, rolling stock and traction applications.
- 2-pole miniature circuit breaker providing dependable circuit protection.
- Z characteristic for protecting sensitive electronic equipment.
- 10 kA breaking capacity for reliable fault interruption.
- Compact DIN rail mounted construction.
- Compatible with ABB System pro M compact accessories.
Key Features
- ABB S200MT miniature circuit breaker series.
- 8 A rated current.
- 2 protected poles.
- Z tripping characteristic.
- 10 kA rated short-circuit breaking capacity.
- 440 V rated insulation voltage.
- 50 / 60 Hz operation.
- Failsafe bi-directional cylinder-lift screw terminals.
- DIN rail mounting.
- IP20 protection rating.
Reliable Protection for Sensitive Electrical Systems
The ABB S202MT-Z8 delivers dependable overload and short-circuit protection whilst providing the rapid magnetic response required for highly sensitive electronic circuits. Its Z characteristic helps minimise equipment damage by disconnecting fault currents quickly and consistently.
Designed for demanding railway and industrial environments, the S200MT range is widely specified for signalling systems, industrial automation, OEM machinery and specialist control panels where dependable circuit protection and long-term reliability are essential.
Typical Applications
- Railway and rolling stock electrical systems.
- Signalling and communication equipment.
- Sensitive electronic control circuits.
- Industrial automation panels.
- Machine control systems.
- OEM electrical equipment.
Technical Specifications
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| Current | 8 A | |
|---|---|---|
| Poles | 2-pole | |
| Device Type | MCB | |
| Trip Curve | Z curve | |
| Breaking Capacity | 15 kA | |
| Manufacturer | ABB | |
| Series | S200MT | |
| Model | S202MT-Z8 | |
| Product ID | 2CDS272445R0408 | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 8 A | |
| Number of poles | 2 | |
| Number of protected poles | 2 | |
| Trip characteristic | Z | |
| Rated operational voltage | 230 V AC | |
| Maximum operational voltage | 253 V AC / 66 V DC | |
| Rated insulation voltage (Ui) | 440 V | |
| Rated impulse withstand voltage (Uimp) | 4 kV | |
| Frequency | 50 / 60 Hz | |
| Breaking capacity (Icn) | 10 kA | |
| Ultimate breaking capacity (Icu) | 15 kA | |
| Service breaking capacity (Ics) | 11.2 kA | |
| Energy limiting class | 3 | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Terminal type | Screw terminals | |
| Dimensions (H × W × D) | 88 × 35 × 69 mm | |
| Weight | approx. 0.224 kg | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S202MT-Z8 used for?
The ABB S202MT-Z8 protects sensitive electrical circuits against overloads and short circuits in railway, industrial and automation applications.
What does the Z tripping characteristic provide?
The Z characteristic provides rapid magnetic tripping for sensitive electronic equipment, signalling systems and specialist control circuits.
What is the rated current of this circuit breaker?
The ABB S202MT-Z8 has a 8 A rated current.
What is the short-circuit breaking capacity?
This miniature circuit breaker provides a 10 kA rated breaking capacity with a 15 kA ultimate breaking capacity.
Where is the ABB S202MT-Z8 typically installed?
It is designed for DIN rail installation inside railway equipment, industrial control panels and electrical distribution systems.
Trusted by Railway and Industrial Engineers Worldwide
ABB S200MT miniature circuit breakers are trusted by railway operators, OEM machine builders and industrial engineers for dependable circuit protection, excellent reliability and long operational life in demanding applications.
