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.
DS203NC C32 A30 Residual Current Circuit Breaker with Overcurrent Protection
ABB DS203NC C32 A30 3P+N RCBO with 32 A rated current, 30 mA Type A residual current protection and C curve tripping characteristic for industrial and commercial electrical installations.
£149.88
Why Choose the ABB DS203NC C32 A30 RCBO?
The ABB DS203NC C32 A30 is a high-performance 3P+N residual current circuit breaker with overcurrent protection (RCBO) designed to protect three-phase electrical installations against overloads, short circuits and earth leakage faults. As part of the trusted ABB System pro M compact range, it combines the functions of an MCB and RCD into a single compact device, helping to simplify panel design whilst improving electrical safety.
Featuring a C curve tripping characteristic, 32 A rated current and 30 mA Type A residual current protection, the DS203NC C32 A30 is ideal for commercial, industrial and infrastructure applications where reliable protection against overload, short-circuit and residual currents is essential.
Its compact four-module design, high-quality construction and compliance with international standards make it suitable for distribution boards, machinery, control panels and industrial power systems requiring dependable circuit protection.
Key Advantages
- Combines MCB and RCD protection in one compact device.
- 32 A rated current with C curve protection.
- 30 mA Type A residual current protection for enhanced safety.
- 3P+N configuration for three-phase installations.
- Protects against overloads, short circuits and earth leakage faults.
- Suitable for industrial, commercial and OEM electrical systems.
Key Features
- ABB System pro M compact series.
- 3 Pole + Neutral RCBO.
- 32 A rated current.
- 30 mA residual operating current.
- Type A residual current detection.
- C curve tripping characteristic.
- 6 kA rated short-circuit capacity (EN 61009).
- 10 kA rated ultimate short-circuit breaking capacity (IEC 60947-2).
- Four-module DIN rail mounting.
- Compatible with ABB System pro M compact accessories.
Reliable Protection for Three-Phase Installations
The ABB DS203NC C32 A30 delivers comprehensive protection by combining overload, short-circuit and earth leakage protection within a single device. This simplifies electrical panel layouts whilst ensuring compliance with modern installation requirements for commercial and industrial applications.
Its Type A residual current detection allows the device to detect both alternating residual currents and pulsating DC residual currents, making it suitable for circuits supplying modern electronic equipment, machinery and automation systems.
Typical Applications
- Industrial distribution boards.
- Commercial electrical installations.
- Motor control panels.
- OEM machinery.
- Building services.
- Three-phase power distribution systems.
Technical Specifications
Tick the specs you need, then view products that match.
| Current | 32 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole + N | |
| Device Type | RCBO | |
| Trip Curve | C curve | |
| Breaking Capacity | 6 kA | |
| Residual Current | 30 mA | |
| RCD Type | Type A | |
| Manufacturer | ABB | |
| Series | System pro M compact | |
| Model | DS203NC C32 A30 | |
| Manufacturer part number | 2CSR256140R1324 | |
| Alternative SKU | DS203NCC32A30 | |
| Product type | Residual current circuit breaker with overcurrent protection (RCBO) | |
| Rated current | 32 A | |
| Residual operating current | 30 mA | |
| Residual current type | Type A | |
| Tripping characteristic | C | |
| Number of poles | 3P + N (4 poles total) | |
| Rated voltage | 230/400 V AC | |
| Frequency | 50 / 60 Hz | |
| Rated short-circuit capacity | 6 kA | |
| Rated ultimate breaking capacity (Icu) | 10 kA | |
| Protection rating | IP2X | |
| Mounting | DIN rail | |
| Width | 4 modules | |
| HS Code | 85363030 | |
| Country of Manufacture | Italy |
Frequently Asked Questions
What is the ABB DS203NC C32 A30 used for?
It provides combined protection against overloads, short circuits and earth leakage faults in three-phase electrical installations.
What is the rated current?
The device has a 32 A rated current.
What residual current protection does it provide?
It provides 30 mA Type A residual current protection suitable for detecting AC and pulsating DC leakage currents.
What is the short-circuit breaking capacity?
The RCBO has a 6 kA rated short-circuit capacity and a 10 kA ultimate breaking capacity under IEC 60947-2.
Where is the ABB DS203NC C32 A30 typically installed?
It is commonly installed in industrial switchboards, commercial distribution boards and OEM electrical control panels.
Trusted by Electrical Professionals Worldwide
ABB System pro M compact protection devices are widely specified by electricians, panel builders and industrial engineers for reliable circuit protection, high quality and dependable performance.
