Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
ABB S203MT-Z1.6 MCB – 3P – Z Curve – 1.6A – 10kA
ABB S203MT-Z1.6H01 three-pole miniature circuit breaker with a 1.6 A rated current, Z curve tripping characteristic and 10 kA short-circuit breaking capacity for traction, railway and industrial applications.
Why Choose the ABB S203MT-Z1.6H01 Miniature Circuit Breaker?
The ABB S203MT-Z1.6H01 is a specialist three-pole miniature circuit breaker (MCB) from the durable ABB System pro M compact S200MT series. It is engineered for railway, traction and demanding industrial applications where highly sensitive protection of electrical and electronic equipment is essential. Designed to recognised international standards, it delivers dependable overload and short-circuit protection for critical installations.
Featuring a Z curve tripping characteristic and a 1.6 A rated current, the S203MT-Z1.6H01 is ideal for protecting PLCs, signalling equipment, semiconductor devices, electronic control systems and other sensitive loads. Its current-limiting design minimises fault energy, helping to safeguard connected equipment and electrical wiring.
Designed for standard DIN rail mounting, the ABB S203MT-Z1.6H01 combines a compact three-pole construction with compatibility across the ABB System pro M accessory range, making it an excellent solution for professional panel builders and railway engineers.
Key Advantages
- Reliable three-pole miniature circuit breaker for sensitive electrical circuits.
- 1.6 A rated current for low-current protection.
- Z curve tripping characteristic for rapid protection of electronic equipment.
- 10 kA short-circuit breaking capacity.
- Designed for traction, railway and industrial applications.
- Compatible with ABB System pro M compact accessories.
Key Features
- ABB System pro M compact S200MT series.
- Three protected poles (3P).
- 1.6 A rated current.
- Z characteristic tripping curve.
- 10 kA rated short-circuit capacity.
- Current-limiting thermal and magnetic trip mechanisms.
- Suitable for railway and traction installations.
- Compact modular DIN rail mounted construction.
Reliable Protection for Sensitive Electronic Equipment
The ABB S203MT-Z1.6H01 combines thermal overload protection with a highly sensitive magnetic trip mechanism. Its Z characteristic provides rapid operation at comparatively low fault currents, making it particularly suitable for semiconductor devices, PLC inputs, signalling systems and other sensitive electronic equipment.
As part of ABB's S200MT range, this miniature circuit breaker is engineered for reliable operation in railway, traction and demanding industrial environments while remaining fully compatible with the ABB System pro M compact accessory range.
Typical Applications
- Railway and traction systems.
- Industrial control panels.
- PLC and automation systems.
- Electronic and semiconductor protection.
- Signalling and communication equipment.
- OEM machinery and panel building.
Technical Specifications
Tick the specs you need, then view products that match.
| Current | 1.6 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCB | |
| Trip Curve | Z curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | System pro M compact S200MT | |
| Model | S203MT-Z1.6H01 | |
| Product ID | 2CDS273445R0258 | |
| EAN | 4016779127936 | |
| Product type | Miniature circuit breaker (MCB) | |
| Rated current | 1.6 A | |
| Number of poles | 3 | |
| Tripping characteristic | Z | |
| Rated operational voltage | 230 / 400 V AC | |
| Rated insulation voltage | 440 V | |
| Frequency | 50 / 60 Hz | |
| Rated short-circuit capacity | 10 kA | |
| Protection rating | IP20 | |
| Mounting type | DIN rail mounting | |
| Dimensions (H × W × D) | approx. 88 × 52.5 × 69 mm | |
| Weight | approx. 0.356 kg | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S203MT-Z1.6H01 used for?
The ABB S203MT-Z1.6H01 protects sensitive three-phase electrical circuits against overloads and short circuits in railway, industrial and electronic applications.
What does the Z curve characteristic mean?
A Z curve miniature circuit breaker provides very sensitive magnetic tripping, making it ideal for protecting electronic equipment and semiconductor devices.
What is the rated current of the ABB S203MT-Z1.6H01?
The ABB S203MT-Z1.6H01 has a 1.6 A rated current.
How many poles does this MCB have?
This model is a three-pole (3P) miniature circuit breaker.
How is the ABB S203MT-Z1.6H01 installed?
The device is designed for standard DIN rail mounting inside electrical distribution boards, switchboards and industrial control panels.
Trusted by Electrical Professionals Worldwide
ABB System pro M compact S200MT miniature circuit breakers are trusted worldwide by railway engineers, machine builders and industrial electricians for dependable protection, compact installation and long-term reliability.
