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ABB DS203NC
by ABB
Read verified buyer reviews ↓OverviewThe ABB DS203NC is a cutting-edge 3-pole Residual Current Circuit Breaker with Overcurrent Protection (RCBO), precisely crafted to deliver unmatched safety and dependability in diverse electrical settings. This compact unit offers thorough safeguarding against the three main electrical hazards: overloads, short circuits, and hazardous earth faults. Perfect for demanding residential, commercial, and industrial uses, the DS203NC guarantees the highest level of human protection and system integrity, making it an essential part of modern electrical installations requiring strong defense.Key Features Complete Triple Protection: Enjoy integrated safety against short circuits, overcurrents, and earth leakage faults, all in one efficient device, simplifying setup and increasing overall safety. Fast Disconnection for Enhanced Safety: Designed for swift power interruption, the DS203NC minimizes electrical shock risks and prevents potential damage to equipment and infrastructure. Optimized for Space Efficiency: Its sleek, compact design allows for easy integration into modern electrical panels, maximizing space without sacrificing performance. Simple DIN Rail Installation: Built for convenience, this unit features standard DIN rail mounting, enabling quick, secure, and tool-free installation, reducing downtime and labor costs during setup or maintenance. Strong Breaking Capacity: With an impressive breaking capacity of up to 10kA, this RCBO is made to withstand and effectively manage significant fault currents, ensuring lasting system resilience and protection. Technical Specifications Product Type: Residual Current Circuit Breaker with Overcurrent Protection (RCBO) Model: DS203NC Poles: 3P (Three-Pole) Rated Voltage: 230/400V AC Rated Current: Varies (depending on the selected variant to match specific circuit requirements) Breaking Capacity: 6kA / 10kA (contingent on the selected model variant) Tripping Characteristics: Type B, C, or D (selectable to suit diverse application demands) Residual Current Sensitivity: 30mA, 100mA, 300mA (available in differing variants for tailored protection levels) Mounting: DIN Rail (standardized for universal compatibility) Operating Temperature: -25°C to +55°C (robust performance in a wide range of environmental conditions) Certifications: CE, IEC 61009-1, IEC 61009-2-1 (attesting to adherence to international safety and quality standards) Applications Residential Installations: Provides vital safety and peace of mind in homes and apartments, protecting occupants and valuable electronics from electrical incidents. Commercial Buildings: Strengthens offices, retail stores, and hospitality venues, ensuring a secure and uninterrupted power supply for business operations and customer safety. Industrial Environments: Offers robust electrical defense in demanding manufacturing plants, warehouses, and other industrial settings, protecting crucial machinery and personnel. Data Centers and IT Infrastructure: Essential for maintaining the integrity and continuous operation of sensitive data processing equipment, proactively preventing electrical faults that could lead to costly downtime. The ABB DS203NC RCBO represents exceptional electrical engineering, seamlessly combining residual current detection with circuit breaker capabilities. Its advanced design makes it an optimal and intelligent choice for professionals seeking safe, compliant, and highly efficient electrical installations across various sectors.Why ChooseChoosing the ABB DS203NC RCBO means investing in a legacy of trust and innovation from a global leader in electrical products. Its all-in-one protection capability not only simplifies system design but also greatly enhances safety parameters beyond traditional circuit breakers. The DS203NC's robust construction.Order NowExperience superior protection. Add the ABB DS203NC to your cart today.FAQWhat is the primary function of the ABB DS203NC?The ABB DS203NC is a 3-pole Residual Current Circuit Breaker with Overcurrent Protection (RCBO) designed to provide comprehensive defense against overloads, short circuits, and earth faults in electrical systems.What environments are suitable for the DS203NC?This RCBO is ideal for residential, commercial, and industrial settings, offering reliable electrical safety and protection in diverse applications.How does the DS203NC simplify electrical installations?By integrating protection against short circuits, overcurrents, and earth leakage into one device, the DS203NC streamlines installation processes and improves overall system safety.
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ABB DS203NC
Overview
This is a genuine ABB component. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine ABB catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader ABB automation ecosystem
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your ABB equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same ABB catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation ABB platform with documented conversion notes
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Product Type: Residual Current Circuit Breaker with Overcurrent Protection (RCBO)
- Model: DS203NC
- Poles: 3P (Three-Pole)
- Rated Voltage: 230/400V AC
- Rated Current: Varies (depending on the selected variant to match specific circuit requirements)
- Breaking Capacity: 6kA / 10kA (contingent on the selected model variant)
- Tripping Characteristics: Type B, C, or D (selectable to suit diverse application demands)
- Residual Current Sensitivity: 30mA, 100mA, 300mA (available in differing variants for tailored protection levels)
- Mounting: DIN Rail (standardized for universal compatibility)
- Operating Temperature: -25°C to +55°C (robust performance in a wide range of environmental conditions)
- Certifications: CE, IEC 61009-1, IEC 61009-2-1 (attesting to adherence to international safety and quality standards)
Applications
- Residential Installations: Provides vital safety and peace of mind in homes and apartments, protecting occupants and valuable electronics from electrical incidents.
- Commercial Buildings: Strengthens offices, retail stores, and hospitality venues, ensuring a secure and uninterrupted power supply for business operations and customer safety.
- Industrial Environments: Offers robust electrical defense in demanding manufacturing plants, warehouses, and other industrial settings, protecting crucial machinery and personnel.
- Data Centers and IT Infrastructure: Essential for maintaining the integrity and continuous operation of sensitive data processing equipment, proactively preventing electrical faults that could lead to costly downtime.
The ABB DS203NC RCBO represents exceptional electrical engineering, seamlessly combining residual current detection with circuit breaker capabilities. Its advanced design makes it an optimal and intelligent choice for professionals seeking safe, compliant, and highly efficient electrical installations across various sectors.
Why Choose the DS203NC?
Choosing the ABB DS203NC RCBO means investing in a legacy of trust and innovation from a global leader in electrical products. Its all-in-one protection capability not only simplifies system design but also greatly enhances safety parameters beyond traditional circuit breakers. The DS203NC's robust construction.
Availability & Shipping
- ▸In stock: DS203NC ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every DS203NC ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — ABB
Machine down? We ship parts the same day.
New, surplus, and refurbished ABB inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
What Verified Buyers Say
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.