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ABB S202MT-Z40 MCB – S200M – 2P – Z – 40A
ABB S202MT-Z40 2-pole 40A miniature circuit breaker with Z characteristic and 10 kA breaking capacity for railway, industrial and sensitive electrical circuit protection.
£157.33
Why Choose the ABB S202MT-Z40 Miniature Circuit Breaker?
The ABB S202MT-Z40 is a high performance 2-pole miniature circuit breaker (MCB) designed specifically for railway, traction and demanding industrial applications. As part of the proven ABB S200MT series, it provides dependable overload and short circuit protection whilst complying with IEC/EN 60898-1, IEC/EN 60947-2 and railway application requirements.
The S202MT-Z40 combines a delayed thermal tripping mechanism for overload protection with a rapid electromechanical magnetic tripping mechanism for short circuit protection. Its Z characteristic provides a fast magnetic response, making it particularly suitable for sensitive electronic equipment, signalling systems and control circuits where precise protection is essential.
With a 40 A rated current, 2-pole configuration and a 10 kA breaking capacity, the ABB S202MT-Z40 delivers reliable protection for electrical distribution systems, industrial control panels and railway installations whilst maintaining a compact DIN rail mounted design.
Key Advantages
- Compact 2-pole miniature circuit breaker for industrial and railway applications.
- 40 A rated current with Z characteristic tripping.
- 10 kA short circuit breaking capacity.
- Fast magnetic trip for sensitive electrical circuits.
- DIN rail mounting for quick installation.
- Compatible with ABB System pro M compact accessories.
Key Features
- ABB S200MT miniature circuit breaker series.
- 40 A rated current.
- 2-pole configuration.
- Z characteristic tripping curve.
- 10 kA rated short circuit breaking capacity.
- Thermal and magnetic trip mechanisms.
- 50 / 60 Hz operation.
- Compact DIN rail mounted construction.
Reliable Protection for Sensitive Electrical Systems
The ABB S202MT-Z40 automatically disconnects electrical circuits during overload or short circuit conditions to protect connected equipment and minimise downtime. Its Z characteristic enables rapid operation on sensitive circuits whilst maintaining dependable overload protection.
Engineered specifically for railway vehicles and demanding industrial installations, the S200MT range offers long service life, excellent reliability and compatibility with ABB's extensive range of System pro M compact accessories.
Typical Applications
- Railway and traction electrical systems.
- Industrial control panels.
- Automation and PLC systems.
- Signalling and communication equipment.
- Sensitive electronic control circuits.
- OEM machinery and electrical distribution systems.
Technical Specifications
Tick the specs you need, then view products that match.
| Current | 40 A | |
|---|---|---|
| Poles | 2-pole | |
| Device Type | MCB | |
| Trip Curve | Z curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | S200MT | |
| Model | S202MT-Z40 | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 40 A | |
| Number of poles | 2 | |
| Tripping characteristic | Z | |
| Rated operational voltage | 400 V AC | |
| Frequency | 50 / 60 Hz | |
| Rated short circuit breaking capacity | 10 kA | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2 | |
| Dimensions (H × W × D) | approx. 88 × 35 × 69 mm | |
| Weight | approx. 0.25 kg | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S202MT-Z40 used for?
The ABB S202MT-Z40 protects electrical circuits against overloads and short circuits in railway, industrial and sensitive control applications.
What does the Z characteristic mean?
The Z characteristic provides a fast magnetic trip response, making it suitable for protecting sensitive electronic equipment and control circuits.
How many poles does this circuit breaker have?
The ABB S202MT-Z40 is a 2-pole miniature circuit breaker.
What is the rated current?
This model has a 40 A rated current.
How is the breaker installed?
The circuit breaker is designed for installation onto a standard DIN rail inside electrical distribution boards and industrial control panels.
Trusted by Electrical Professionals Worldwide
ABB S200MT miniature circuit breakers are trusted by railway operators, OEM manufacturers, panel builders and industrial engineers for delivering reliable protection in demanding electrical installations.
