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ABB S203-D16 MCB – S200 – 3P – D – 16A
ABB S203-D16 three pole 16 A D curve miniature circuit breaker with 6 kA breaking capacity for industrial, commercial and OEM electrical protection.
£44.57
Why Choose the ABB S203-D16 Miniature Circuit Breaker?
The ABB S203-D16 is a premium three-pole miniature circuit breaker (MCB) from the trusted ABB System pro M Compact S200 series. Designed to provide dependable overload and short circuit protection, it is ideal for industrial, commercial and OEM electrical installations where reliability and operational safety are essential.
Featuring a D tripping characteristic, the S203-D16 is specifically designed for circuits with high inrush currents, making it suitable for motors, transformers, compressors and other inductive equipment. Its thermal and magnetic tripping mechanisms provide accurate protection while helping to prevent nuisance tripping during equipment start-up.
With a 16 A rated current, three-pole configuration and a 6 kA short circuit breaking capacity, this DIN rail mounted miniature circuit breaker delivers reliable protection, simple installation and compliance with recognised IEC and EN standards.
Key Advantages
- Compact three-pole miniature circuit breaker for industrial and commercial applications.
- D curve tripping characteristic for high inrush current loads.
- 16 A rated current for dependable circuit protection.
- 6 kA breaking capacity for reliable fault interruption.
- Thermal and magnetic trip mechanisms provide effective overload and short circuit protection.
- DIN rail mounting for straightforward installation inside switchboards and control panels.
Key Features
- ABB System pro M Compact S200 series.
- Three-pole (3P) configuration.
- 16 A rated current.
- D tripping characteristic.
- 6 kA rated short circuit breaking capacity.
- Suitable for AC/DC applications.
- Failsafe bi-directional cylinder-lift screw terminals.
- Compatible with ABB S200 auxiliary contacts and accessories.
Reliable Circuit Protection for High Inrush Applications
The ABB S203-D16 combines delayed thermal overload protection with an instantaneous magnetic short circuit trip to safeguard electrical systems while accommodating high starting currents. This makes it particularly suitable for demanding industrial environments where motors and inductive loads are frequently switched.
Its D characteristic is widely used for motor control circuits, transformers and industrial machinery. The compact housing enables efficient installation within switchboards, distribution boards and machine control panels.
Typical Applications
- Motor protection circuits.
- Industrial machinery.
- Transformers and inductive loads.
- Control panels and switchgear.
- OEM automation equipment.
- Commercial and industrial power distribution.
Technical Specifications
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| Phase | Three Phase | |
|---|---|---|
| Current | 16 A | |
| Poles | 3-pole | |
| Device Type | MCB | |
| Trip Curve | D curve | |
| Breaking Capacity | 6 kA | |
| Manufacturer | ABB | |
| Series | System pro M Compact S200 | |
| Model | S203-D16 | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 16 A | |
| Number of poles | 3 | |
| Tripping characteristic | D | |
| Rated operational voltage | 400 V AC | |
| Maximum operational voltage | 440 V AC | |
| Voltage type | AC/DC | |
| Rated frequency | 50 / 60 Hz | |
| Breaking capacity | 6 kA | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Terminal type | Failsafe bi-directional cylinder-lift screw terminals | |
| Dimensions (H × W × D) | 88 × 52.5 × 69 mm | |
| Weight | approx. 0.345 kg | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S203-D16 used for?
The ABB S203-D16 protects three-phase electrical circuits against overloads and short circuits, particularly where equipment produces high inrush currents.
What does the D tripping characteristic mean?
A D curve circuit breaker is designed for circuits with high starting currents, making it suitable for motors, transformers and other inductive equipment.
How many poles does the ABB S203-D16 have?
This model features a three-pole (3P) configuration for protecting three-phase electrical systems.
What is the breaking capacity of this MCB?
The ABB S203-D16 has a rated short circuit breaking capacity of 6 kA.
How is the ABB S203-D16 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 System pro M Compact miniature circuit breakers are trusted by electricians, panel builders and industrial engineers for dependable circuit protection, consistent performance and long operational life.
