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ABB S202MT-Z20 MCB – S200M – 2P – Z – 20A
ABB S202MT-Z20 two pole miniature circuit breaker with 20 A rated current, Z characteristic and 10 kA breaking capacity for railway and industrial electrical protection.
£129.20
Why Choose the ABB S202MT-Z20 Miniature Circuit Breaker?
The ABB S202MT-Z20 is a premium 2-pole miniature circuit breaker (MCB) engineered 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 recognised international standards for traction and specialist electrical installations.
Developed specifically for transport and railway environments, the S200MT range is classified to NF F 16-101/102 Exigence 3, allowing installation throughout railway vehicles. Its compact DIN rail mounted construction ensures straightforward installation whilst providing dependable long-term protection in demanding operating conditions.
Featuring a 20 A rated current, Z tripping characteristic and a 10 kA rated breaking capacity, the ABB S202MT-Z20 is ideally suited to protecting sensitive electronic equipment, signalling systems, automation equipment and specialist control circuits requiring rapid magnetic tripping.
Key Advantages
- Designed specifically for railway, rolling stock and traction applications.
- 2-pole miniature circuit breaker providing dependable circuit protection.
- Z characteristic ideal 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.
- 20 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-Z20 provides dependable overload and short-circuit protection whilst delivering the rapid magnetic response required for highly sensitive electrical circuits. Its Z characteristic enables rapid fault clearance, helping minimise equipment damage and reduce system downtime.
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 | 20 A | |
|---|---|---|
| Poles | 2-pole | |
| Device Type | MCB | |
| Trip Curve | Z curve | |
| Breaking Capacity | 15 kA | |
| Manufacturer | ABB | |
| Series | S200MT | |
| Model | S202MT-Z20 | |
| Product ID | 2CDS272445R0488 | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 20 A | |
| Number of poles | 2 | |
| Number of protected poles | 2 | |
| Trip characteristic | Z | |
| Rated operational voltage | 440 V AC | |
| Maximum operational voltage | 440 V AC / 125 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 | |
| Mechanical endurance | 20,000 operating cycles | |
| 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. 0.22 kg | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S202MT-Z20 used for?
The ABB S202MT-Z20 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-Z20 has a 20 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-Z20 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.
