# ABB S203 B 50A Miniature Circuit Breaker 3-Pole

**URL:** https://aio.lv/en/product--abb-2cds253001r0505--3543477
**Data updated:** 2026-05-18 02:53 (EEST)
**Category:** Power Sockets
**Manufacturer:** ABB
**Manufacturer code:** 2CDS253001R0505
**EAN:** 4016779550963
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 49.49 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 40.90 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--abb-2cds253001r0505--3543477

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 17.07.2026 | free |
| Pickup points | 22.07.2026 | 1.89 EUR |
| Courier delivery to door | 22.07.2026 | 4.99 EUR |

## Summary description

The ABB S203 B 50A is a high-quality 3-pole miniature circuit breaker designed for reliable electrical circuit protection. This device provides effective overcurrent and short-circuit protection in residential, commercial, and industrial electrical installations. Built with durable metal and plastic components, it ensures long-term operational safety and performance for various power distribution systems.

## Long description

The ABB S203 B 50A is a robust 3-pole miniature circuit breaker engineered to provide reliable electrical circuit protection. Designed for demanding environments, this device effectively safeguards electrical installations against overcurrent and short-circuit events. It is a core component of the System pro M compact S200 series, ensuring consistent performance and safety in power distribution systems.
Advantages
This circuit breaker utilizes a dual-tripping mechanism to ensure comprehensive protection. The delayed thermal tripping mechanism is specifically calibrated for overload protection, while the electromechanical tripping mechanism provides rapid response during short-circuit events. Its current-limiting design helps minimize potential damage to downstream equipment. The construction is highly durable, utilizing high-quality materials that meet international safety standards, ensuring long-term reliability in both residential and industrial settings.
Suitable for
Residential electrical distribution boards
Commercial building power systems
Industrial machinery and control panels
Protection of lighting and heating circuits
When it may not be suitable
This device is not intended for use in DC circuits unless specifically rated for such applications, as it is designed primarily for AC systems. It may also be unsuitable for environments exceeding its specified breaking capacity or operating temperature limits.
Key specifications
Number of poles: 3
Rated current: 50A
Tripping characteristic: B
Breaking capacity: Up to 6 kA at 230/400 V AC
Compliance: IEC/EN 60898-1, IEC/EN 60947-2, UL1077, CSA 22.2 No. 235
How to use
The ABB S203 B 50A is designed for DIN-rail mounting within a standard distribution board. Installation should be performed by a qualified electrician in accordance with local electrical codes. Ensure that the supply voltage and current requirements of the circuit match the specifications of the breaker. The device can be fitted with bottom-mounted auxiliary contacts to optimize space within the enclosure.
What to consider before purchase
Verify the required current rating for your specific circuit load
Ensure the B-curve characteristic is appropriate for your application
Check the available space in your distribution board for a 3-pole device
Confirm compatibility with existing DIN-rail mounting systems
Usage recommendations
Regular inspection of the circuit breaker is recommended to ensure that connections remain tight and that the device is free from dust or debris. Do not attempt to modify or repair the internal mechanism, as this will void safety certifications and compromise protection.

## Specifications

| Feature | Value |
|---|---|
| Circuit breaker type | Miniature circuit breaker |

### Design

| Feature | Value |
|---|---|
| Material | Metal, Plastic |
| Product colour | Multicolour |

## FAQ

### How much does the ABB S203 B 50A 3-Pole Miniature Circuit Breaker cost, and is it available for purchase?

The price is 49.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 17.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All ABB products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized ABB service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/3543477/58454317_large.webp