ABB S203M-Z1.6 3-pole 1.6 A Z curve miniature circuit breaker from the System pro M compact S200M range for sensitive circuit protection in industrial and commercial installations.
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Why Choose the ABB S203M-Z1.6 Miniature Circuit Breaker?
The ABB S203M-Z1.6 is a dependable 3-pole miniature circuit breaker (MCB) from the ABB System pro M compact S200M series. It is engineered to provide reliable overload and short circuit protection for industrial, commercial and OEM electrical installations where sensitive equipment requires rapid fault protection.
Featuring a Z tripping characteristic, the S203M-Z1.6 is specifically designed for applications with sensitive electronic devices, semiconductor equipment, PLC systems and control circuits. Its fast magnetic trip response provides enhanced protection where low fault currents must be detected quickly.
With a 1.6 A rated current, 3-pole configuration and 10 kA breaking capacity, the ABB S203M-Z1.6 combines excellent circuit protection with ABB's proven current limiting technology, helping to minimise fault energy and protect downstream equipment.
Key Advantages
Reliable 3-pole miniature circuit breaker for professional installations.
1.6 A rated current for sensitive electrical circuits.
Z tripping characteristic for rapid magnetic tripping.
10 kA breaking capacity for dependable fault protection.
Current limiting technology reduces fault energy.
Compatible with ABB modular accessories and auxiliary devices.
Key Features
ABB System pro M compact S200M series.
3-pole (3P) configuration.
1.6 A rated current.
Z curve tripping characteristic.
10 kA rated breaking capacity.
Thermal overload and magnetic short circuit protection.
Current limiting class 3 design.
DIN rail mounting.
Reliable Protection for Sensitive Electrical Circuits
The ABB S203M-Z1.6 protects electrical circuits using a thermal mechanism for overload protection and an electromechanical magnetic mechanism for rapid short circuit interruption. Its current limiting design helps reduce thermal and mechanical stress on connected equipment.
The Z tripping characteristic is ideal for applications requiring fast fault detection, making the S203M-Z1.6 particularly suitable for electronic control systems, instrumentation, PLC panels and semiconductor equipment where enhanced protection is essential.
Typical Applications
Industrial control panels.
PLC and automation systems.
Electronic control circuits.
Semiconductor protection.
Instrumentation and measurement systems.
OEM machinery and process equipment.
Technical Specifications
Current
1.6 A
Phase
Single Phase
Manufacturer
ABB
Series
System pro M compact S200M
Model
S203M-Z1.6
Manufacturer Part Number
2CDS273001R0258
EAN
4016779601092
Product type
Miniature Circuit Breaker (MCB)
Rated current
1.6 A
Number of poles
3P
Tripping characteristic
Z
Rated operational voltage
Up to 440 V AC
Frequency
50 / 60 Hz
Breaking capacity
10 kA
Protection rating
IP20
Mounting type
DIN rail
Terminal type
Failsafe bi-directional cylinder-lift terminal
Mechanical endurance
20,000 operating cycles
Dimensions (H × W × D)
approx. 88 × 52.5 × 69 mm
Weight
approx. 0.375 kg
HS Code
85362010
Country of Manufacture
Germany
Frequently Asked Questions
What is the ABB S203M-Z1.6 used for?
The ABB S203M-Z1.6 protects sensitive electrical circuits against overloads and short circuits in industrial, commercial and automation applications.
What is the rated current of this circuit breaker?
The ABB S203M-Z1.6 has a 1.6 A rated current.
What does the Z tripping characteristic provide?
The Z curve delivers rapid magnetic tripping at relatively low fault currents, making it suitable for protecting sensitive electronic equipment and semiconductor devices.
How many poles does the S203M-Z1.6 have?
This model is a 3-pole miniature circuit breaker designed for three-phase electrical installations.
What standards does this circuit breaker comply with?
The S203M-Z1.6 complies with IEC/EN 60898-1 and IEC/EN 60947-2, making it suitable for residential, commercial and industrial applications.
Trusted by Electrical Professionals Worldwide
ABB System pro M compact S200M miniature circuit breakers are trusted by electrical contractors, machine builders and panel manufacturers for dependable circuit protection, long service life and reliable operation in demanding industrial environments.
Current
1.6 A
Phase
Single Phase
Manufacturer
ABB
Series
System pro M compact S200M
Model
S203M-Z1.6
Manufacturer Part Number
2CDS273001R0258
EAN
4016779601092
Product type
Miniature Circuit Breaker (MCB)
Rated current
1.6 A
Number of poles
3P
Tripping characteristic
Z
Rated operational voltage
Up to 440 V AC
Frequency
50 / 60 Hz
Breaking capacity
10 kA
Protection rating
IP20
Mounting type
DIN rail
Terminal type
Failsafe bi-directional cylinder-lift terminal
Mechanical endurance
20,000 operating cycles
Dimensions (H × W × D)
approx. 88 × 52.5 × 69 mm
Weight
approx. 0.375 kg
HS Code
85362010
Country of Manufacture
Germany
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
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Customers supported
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...