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ABB S203-K16 miniature circuit breaker for electrical protection

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ABB S203-K16

by ABB

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OverviewThe ABB S203-K16 Miniature Circuit Breaker (MCB) is a fundamental component for modern electrical safety, meticulously engineered to provide exceptional protection against the damaging effects of overloads and short circuits. As a distinguished product from ABB, a leader in power and automation, the S203-K16 represents reliability and advanced design. Its compact footprint makes it an ideal solution for integration into various electrical settings, from industrial control panels to residential distribution boards. This MCB not only meets but surpasses international safety standards, ensuring robust protection for a wide range of uses. Featuring straightforward installation and precision-engineered mechanisms, the S203-K16 is an excellent option for safeguarding electrical systems.Key Features Model: ABB S203-K16 Function: Specialized miniature circuit breaker offering crucial overload and short-circuit protection. Rated Current: Optimized for 16A systems, ensuring precise current regulation. Trip Characteristics: Features a K-curve tripping characteristic, delivering effective protection for various electrical loads. Compact Design: Engineered for space efficiency, facilitating seamless installation within control panels and distribution units. Reliable Performance: Guarantees swift and decisive response to electrical faults, minimizing potential damage and downtime. User-Friendly: Designed for easy operation and simple installation, complemented by clear and intuitive markings. Technical Specifications Rated Voltage: Versatile operation up to 230/400V AC. Rated Current: 16A. Protection Type: Comprehensive overload and short-circuit protection. Rated Breaking Capacity: Robust 6kA breaking capacity for assured fault interruption. Trip Characteristic: K-curve. Mounting Type: Convenient DIN rail mounting for secure and simple integration. Compliance: Fully compliant with rigorous IEC 60898-1 and IEC 60947-2 international standards, affirming its quality and safety. ApplicationsThe adaptability of the ABB S203-K16 makes it an essential component across numerous environments: Residential and Commercial Electrical Systems: Provides vital protection within distribution boards and various electrical installations, enhancing safety for homes and businesses. Industrial Applications: Safeguards sensitive electrical equipment and complex circuits found in industrial control panels, preventing costly disruptions. HVAC Systems: Ensures dependable and safe operation of motor circuits and intricate control systems within heating, ventilation, and air conditioning units. Power Distribution: Acts as a vigilant guardian for electrical circuits, effectively reducing risks associated with overloads and short circuits in power distribution networks. Why Choose This Model?Opting for the ABB S203-K16 Miniature Circuit Breaker signifies an investment in superior electrical protection from a brand synonymous with reliability and progress. This model stands out due to its unwavering commitment to safety, efficiency, and longevity. Its capability to provide rapid and accurate fault detection minimizes potential harm to equipment and personnel, thereby reducing operational risks and maintenance costs. The compact, DIN rail-mountable design ensures a seamless fit into existing or new electrical setups, saving valuable space and simplifying installation processes. Furthermore, its adherence to global safety standards guarantees a product that is not only dependable but also widely accepted. For applications demanding consistent performance and robust protection against electrical disturbances, the ABB S203-K16 is the ideal solution, offering lasting reliability and tranquility.Order NowEnhance the safety and reliability of your electrical systems with the ABB S203-K16 Miniature Circuit Breaker. Ensure optimal protection for your valuable equipment and personnel today.FAQWhat is the primary function of the ABB S203-K16?The primary function of the ABB S203-K16 is to provide critical protection against electrical overloads and short circuits in various electrical systems, ensuring safety and preventing damage.What is the rated current for this circuit breaker?The rated current for the ABB S203-K16 is 16A, optimized for precise current regulation within compatible systems.What type of tripping characteristic does the S203-K16 feature?The S203-K16 features a K-curve tripping characteristic, offering effective protection for a wide array of electrical loads.Is the ABB S203-K16 easy to install?Yes, the ABB S203-K16 is designed for user-friendly operation and straightforward installation, with convenient DIN rail mounting and clear markings.What international standards does this circuit breaker comply with?The ABB S203-K16 is fully compliant with IEC 60898-1 and IEC 60947-2 international standards, ensuring its quality and safety.

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1-Year PALM Parts Warranty
CONDITION
$257.00
12 in stock

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PRODUCT DETAILS

ABB S203-K16

Overview

This is a genuine ABB component from the Low Voltage Products family. 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
  • Engineered to integrate inside Low Voltage Products installations

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:

  1. Exact replacement — same ABB catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation ABB platform with documented conversion notes for the Low Voltage Products family

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Rated Voltage: Versatile operation up to 230/400V AC.
  • Rated Current: 16A.
  • Protection Type: Comprehensive overload and short-circuit protection.
  • Rated Breaking Capacity: Robust 6kA breaking capacity for assured fault interruption.
  • Trip Characteristic: K-curve.
  • Mounting Type: Convenient DIN rail mounting for secure and simple integration.
  • Compliance: Fully compliant with rigorous IEC 60898-1 and IEC 60947-2 international standards, affirming its quality and safety.

Applications

The adaptability of the ABB S203-K16 makes it an essential component across numerous environments:

  • Residential and Commercial Electrical Systems: Provides vital protection within distribution boards and various electrical installations, enhancing safety for homes and businesses.
  • Industrial Applications: Safeguards sensitive electrical equipment and complex circuits found in industrial control panels, preventing costly disruptions.
  • HVAC Systems: Ensures dependable and safe operation of motor circuits and intricate control systems within heating, ventilation, and air conditioning units.
  • Power Distribution: Acts as a vigilant guardian for electrical circuits, effectively reducing risks associated with overloads and short circuits in power distribution networks.

Why Choose the S203-K16?

Opting for the ABB S203-K16 Miniature Circuit Breaker signifies an investment in superior electrical protection from a brand synonymous with reliability and progress. This model stands out due to its unwavering commitment to safety, efficiency, and longevity. Its capability to provide rapid and accurate fault detection minimizes potential harm to equipment and personnel, thereby reducing operational risks and maintenance costs. The compact, DIN rail-mountable design ensures a seamless fit into existing or new electrical setups, saving valuable space and simplifying installation processes. Furthermore, its adherence to global safety standards guarantees a product that is not only dependable but also widely accepted. For applications demanding consistent performance and robust protection against electrical disturbances, the ABB S203-K16 is the ideal solution, offering lasting reliability and tranquility.

Availability & Shipping

  • In stock: S203-K16 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 S203-K16 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — ABB

The primary function of the ABB S203-K16 is to provide critical protection against electrical overloads and short circuits in various electrical systems, ensuring safety and preventing damage.

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.

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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.

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PALM Parts Solution sells used surplus products. PALM Parts Solution is not an authorized distributor, affiliate, or representative for the brands we carry. Products sold by PALM Parts Solution come with PALM Parts Solution's 1-Year Warranty and do not come with the original manufacturer's warranty. Designated trademarks, brand names and brands appearing herein are the property of their respective owners. This website is not sanctioned or approved by any manufacturer or tradename listed.

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