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ABB S203-D1.6 MCB – S200 – 3P – D – 1.6A
ABB S203-D1.6 three-pole miniature circuit breaker with 1.6 A rated current, D curve tripping characteristic and 6 kA breaking capacity for industrial and commercial electrical installations.
£49.23
Why Choose the ABB S203-D1.6 Miniature Circuit Breaker?
The ABB S203-D1.6 is a premium three-pole miniature circuit breaker (MCB) from the trusted ABB System pro M Compact S200 series. Designed to provide reliable overload and short circuit protection, this compact circuit breaker delivers dependable performance in industrial, commercial and OEM electrical installations where equipment with high inrush currents requires effective protection.
Featuring a D curve tripping characteristic and a 1.6 A rated current, the S203-D1.6 is particularly suited to protecting circuits supplying transformers, motors and other inductive loads that experience high starting currents. Its current limiting design helps minimise the effects of electrical faults while protecting connected equipment.
Built to ABB's renowned quality standards, the S203-D1.6 offers excellent reliability, long operational life and full compatibility with the extensive range of ABB System pro M Compact accessories, making it ideal for modern electrical installations.
Key Advantages
- Reliable three-pole miniature circuit breaker for industrial and commercial installations.
- 1.6 A rated current with D curve tripping characteristic.
- 6 kA breaking capacity for dependable fault protection.
- Protects against overloads and short circuits.
- Current limiting design reduces electrical fault energy.
- Compatible with ABB auxiliary contacts and modular accessories.
Key Features
- ABB System pro M Compact S200 series.
- 1.6 A rated current.
- D characteristic trip curve.
- Three protected poles (3P).
- 6 kA rated short circuit breaking capacity.
- DIN rail mounting.
- Thermal overload and magnetic short circuit protection.
- Failsafe bi-directional cylinder-lift terminals.
Reliable Protection for High Inrush Current Circuits
The ABB S203-D1.6 combines thermal overload protection with rapid magnetic short circuit protection to safeguard electrical installations. Its D curve characteristic allows temporary high inrush currents without nuisance tripping, making it suitable for demanding industrial applications.
As part of the ABB System pro M Compact range, this miniature circuit breaker provides dependable switching performance, excellent mechanical durability and compatibility with ABB's range of signalling and control accessories.
Typical Applications
- Motor circuits.
- Transformer protection.
- Industrial control panels.
- OEM machinery.
- Commercial electrical installations.
- Three-phase distribution systems.
Technical Specifications
Tick the specs you need, then view products that match.
| Phase | Three Phase | |
|---|---|---|
| Current | 1.6 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-D1.6 | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 1.6 A | |
| Tripping characteristic | D Curve | |
| Number of poles | 3 | |
| Rated operational voltage | 400 V AC | |
| Maximum operating voltage | 440 V AC | |
| Rated frequency | 50 / 60 Hz | |
| Rated short circuit breaking capacity | 6 kA | |
| Mounting type | DIN rail | |
| Dimensions (H × W × D) | 88 × 52.5 × 69 mm | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2, UL 1077 |
Frequently Asked Questions
What is the ABB S203-D1.6 used for?
The ABB S203-D1.6 protects three-phase electrical circuits against overloads and short circuits, particularly those supplying equipment with high inrush currents.
What does the D curve characteristic mean?
A D curve miniature circuit breaker is designed for applications with high starting currents, such as motors and transformers, helping to reduce nuisance tripping.
What is the rated current of this circuit breaker?
The ABB S203-D1.6 has a 1.6 A rated current.
How many poles does the S203-D1.6 have?
This model features three protected poles (3P) for use on three-phase electrical systems.
How is the ABB S203-D1.6 installed?
The breaker 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 electricians, panel builders and industrial engineers worldwide for dependable circuit protection, excellent durability and consistent long-term performance.
