ABB S203M-C1.6 three-pole miniature circuit breaker with a 1.6 A rated current, C curve tripping characteristic and 10 kA breaking capacity for industrial and commercial electrical protection.
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Why Choose the ABB S203M-C1.6 Miniature Circuit Breaker?
The ABB S203M-C1.6 is a high performance three-pole miniature circuit breaker (MCB) from the trusted ABB System pro M compact S200M series. Designed to provide reliable protection against overloads and short circuits, it helps safeguard electrical installations in commercial, industrial and OEM applications.
Featuring a C curve tripping characteristic and a 1.6 A rated current, this MCB is suitable for circuits with moderate inrush currents such as small motors, control circuits and automation equipment. Its robust construction, high breaking capacity and compliance with international standards make it an excellent choice for demanding electrical installations.
The S203M-C1.6 is DIN rail mounted and offers a compact modular design for easy installation within distribution boards and control panels. It is fully compatible with ABB's extensive range of System pro M accessories, allowing flexible system expansion and simplified maintenance.
Key Advantages
Reliable three-pole miniature circuit breaker for industrial and commercial installations.
1.6 A rated current with C curve tripping characteristic.
10 kA short-circuit breaking capacity for dependable circuit protection.
Protects against overload and short-circuit faults.
DIN rail mounting for quick installation.
Compatible with ABB System pro M compact accessories.
Key Features
ABB System pro M compact S200M series.
Three protected poles (3P).
1.6 A rated current.
C characteristic tripping curve.
10 kA rated short-circuit capacity.
Suitable for AC applications up to 400 V AC.
IP20 terminal protection.
Compact DIN rail mounted modular design.
Reliable Protection for Electrical Installations
The ABB S203M-C1.6 protects electrical circuits by automatically disconnecting the supply during overload or short-circuit conditions. Its thermal and magnetic trip mechanisms provide dependable protection for wiring, equipment and connected loads while helping minimise downtime.
Manufactured to meet IEC/EN 60898-1 and IEC/EN 60947-2 standards, the S200M range is widely specified for industrial automation, machine building, commercial buildings and control panel manufacturing where dependable circuit protection is essential.
Typical Applications
Industrial control panels.
Machine building and OEM equipment.
Commercial electrical distribution boards.
Motor control and automation circuits.
Building services installations.
General low voltage power distribution.
Technical Specifications
Current
1.6 A
Phase
Single Phase
Manufacturer
ABB
Series
System pro M compact S200M
Model
S203M-C1.6
Product type
Miniature circuit breaker (MCB)
Product ID
2CDS273001R0974
Rated current
1.6 A
Number of poles
3
Tripping characteristic
C
Rated operational voltage
400 V AC
Frequency
50 / 60 Hz
Rated short-circuit capacity
10 kA
Protection rating
IP20
Mounting type
DIN rail mounting
Dimensions (H × W × D)
88 × 52.5 × 69 mm
Weight
Approx. 0.336 kg
HS Code
85362010
Country of Manufacture
Germany
Frequently Asked Questions
What is the ABB S203M-C1.6 used for?
It protects three-phase electrical circuits against overloads and short circuits in commercial, industrial and automation applications.
What does the C curve characteristic mean?
A C curve miniature circuit breaker is designed for circuits with moderate inrush currents, making it suitable for motors, transformers and general industrial loads.
What is the rated current of this MCB?
The ABB S203M-C1.6 has a 1.6 A rated current.
What is the short-circuit breaking capacity?
This miniature circuit breaker provides a rated short-circuit breaking capacity of 10 kA.
How is the ABB S203M-C1.6 installed?
The device is designed for standard DIN rail mounting inside electrical distribution boards and industrial control panels.
Trusted by Electrical Professionals Worldwide
ABB System pro M compact miniature circuit breakers are trusted by panel builders, electrical contractors and industrial engineers for delivering dependable circuit protection, long service life and compliance with international electrical standards.
Current
1.6 A
Phase
Single Phase
Manufacturer
ABB
Series
System pro M compact S200M
Model
S203M-C1.6
Product type
Miniature circuit breaker (MCB)
Product ID
2CDS273001R0974
Rated current
1.6 A
Number of poles
3
Tripping characteristic
C
Rated operational voltage
400 V AC
Frequency
50 / 60 Hz
Rated short-circuit capacity
10 kA
Protection rating
IP20
Mounting type
DIN rail mounting
Dimensions (H × W × D)
88 × 52.5 × 69 mm
Weight
Approx. 0.336 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.
Priority sourcing and supply support
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Support for engineering, maintenance, and operations
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Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
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Common questions about our products and support
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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...