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ABB S202MT-Z20H01 MCB – S200M – 2P – Z – 20A
ABB S202MT-Z20H01 2-pole 20A Z curve miniature circuit breaker with 10 kA breaking capacity for sensitive industrial, railway and automation circuit protection.
Why Choose the ABB S202MT-Z20H01 Miniature Circuit Breaker?
The ABB S202MT-Z20H01 is a reliable 2-pole miniature circuit breaker (MCB) from the ABB S200MT series, designed to provide dependable overload and short circuit protection for demanding electrical installations. With a Z characteristic trip curve, this breaker is particularly suited to sensitive circuits where fast disconnection is required at lower fault currents.
Built for industrial, railway, traction and automation environments, the S202MT-Z20H01 combines ABB’s proven current limiting technology with a compact DIN rail mounted design. Its thermal and magnetic trip mechanisms help protect cables, control equipment and connected devices from electrical faults.
With a 20 A current rating, 2-pole configuration and 10 kA breaking capacity, the ABB S202MT-Z20H01 is ideal for installations requiring accurate protection, compact panel integration and long-term operational reliability.
Key Advantages
- High quality 2-pole miniature circuit breaker for sensitive electrical circuits.
- 20 A rated current for dependable circuit protection.
- Z characteristic for fast tripping on lower fault currents.
- 10 kA breaking capacity for reliable short circuit protection.
- Compact DIN rail mounted design for efficient panel installation.
- ABB engineering quality for industrial, railway and automation systems.
Key Features
- ABB S200MT miniature circuit breaker series.
- Model: S202MT-Z20H01.
- 20 A rated current.
- 2-pole configuration.
- Z characteristic tripping curve.
- 10 kA short circuit breaking capacity.
- Thermal tripping for overload protection.
- Magnetic tripping for short circuit protection.
- DIN rail mounting for control panels and distribution boards.
- Suitable for sensitive electronic, automation, industrial and railway systems.
Fast Protection for Sensitive Electrical Circuits
The ABB S202MT-Z20H01 automatically disconnects the circuit when overload or short circuit conditions occur. Its delayed thermal trip mechanism responds to sustained overloads, while the electromechanical magnetic trip mechanism provides rapid disconnection during short circuit faults.
The Z curve characteristic is designed for applications requiring fast response to lower fault currents. This makes the breaker suitable for electronic control circuits, automation panels, measurement equipment and installations where sensitive devices require precise protection.
Typical Applications
- Electronic control circuits.
- Automation and instrumentation panels.
- Railway and traction electrical systems.
- Industrial control cabinets.
- Measurement and monitoring equipment.
- Distribution boards requiring fast fault protection.
- Sensitive equipment protection in commercial and industrial installations.
Technical Specifications
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| Current | 20 A | |
|---|---|---|
| Poles | 2-pole | |
| Device Type | MCB | |
| Trip Curve | Z curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | S200MT | |
| Model | S202MT-Z20H01 | |
| MPN | 2CDO272006R0488 | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Current rating | 20 A | |
| Number of poles | 2 | |
| Tripping characteristic | Z Curve | |
| Breaking capacity | 10 kA | |
| Rated voltage | 400 V AC | |
| Rated frequency | 50 / 60 Hz | |
| Mounting type | DIN rail | |
| Protection rating | IP20 | |
| Terminal type | Screw clamp terminals | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2 | |
| Dimensions (H × W × D) | approx. 88 × 35 × 69 mm |
Frequently Asked Questions
What is the ABB S202MT-Z20H01 used for?
It is used to protect electrical circuits against overloads and short circuits, particularly where sensitive equipment requires fast fault protection.
What does the Z curve mean?
The Z curve provides fast magnetic tripping at lower fault currents, making it suitable for sensitive electronic and control circuits.
What is the rated current of this MCB?
The ABB S202MT-Z20H01 has a 20 A rated current.
How many poles does the S202MT-Z20H01 have?
This miniature circuit breaker has a 2-pole configuration.
How is this circuit breaker installed?
The breaker is designed for DIN rail mounting inside electrical distribution boards, control cabinets and automation panels.
Trusted by Industry Professionals Worldwide
ABB S200MT miniature circuit breakers are trusted by engineers, panel builders and railway specialists for precise circuit protection, compact installation and dependable performance in demanding environments.
