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ABB S203M-C16 miniature circuit breaker protecting electrical circuits

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ABB S203M-C16

by ABB

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OverviewThe ABB S203M-C16 is a high-performance, 3-pole miniature circuit breaker (MCB) specifically designed to guard against short circuits and overloads across various electrical setups. With a precise 16A rated current and a C-characteristic tripping curve, this MCB is perfectly suited for a wide array of applications, including industrial, commercial, and residential installations. As part of the respected S203M series, this circuit breaker is recognized for its exceptional resilience, compact construction, and simple installation, making it a top choice for professionals seeking uncompromising electrical safety and efficiency.Key Features Model: ABB S203M-C16 Function: Miniature circuit breaker for efficient short-circuit and overload protection Rated Current: 16A Poles: 3 Tripping Curve: C (optimized for general applications with moderate inrush currents) Breaking Capacity: 10kA at 230/400V AC Reliable Performance: Guarantees swift and accurate tripping to safeguard electrical circuits and connected equipment. Compact & Durable: Space-saving design crafted from high-quality materials ensures long-term operational integrity. Technical Specifications Number of Poles: 3 Rated Current: 16A Rated Voltage: 400V AC Breaking Capacity: 10kA Tripping Characteristic: C-curve Mounting Type: DIN rail Operating Temperature: -25°C to +55°C Weight: 0.45 kg ApplicationsThe flexibility and robust performance of the ABB S203M-C16 position it as an essential component in multiple sectors: Industrial Electrical Panels: Ensures secure power distribution and protection for critical machinery and systems. Commercial Installations: Provides reliable protection for lighting, power circuits, and sensitive electronic equipment in commercial buildings. Residential Electrical Systems: Offers enhanced safety and peace of mind by protecting against overloads and short circuits in homes. Automation Systems: An ideal solution for control and distribution panels in advanced automation setups. Why Choose This Model?The ABB S203M-C16 distinguishes itself through its unique combination of features and benefits, setting a high standard for electrical safeguarding: Unrivaled Protection: This MCB is engineered to prevent costly damage to electrical circuits and valuable connected devices, ensuring operational continuity. Effortless Installation: Featuring convenient DIN rail mounting, the S203M-C16 allows for quick and straightforward integration into existing or new electrical panels, minimizing installation time and complexity. Space-Saving Design: Its compact form factor is crucial for optimizing space within control panels and electrical enclosures, making it suitable for installations where space is at a premium. Exceptional Durability: Built to withstand demanding environments, this miniature circuit breaker is designed for long-term durability, guaranteeing dependable performance even in harsh industrial settings. Order NowBoost your electrical system's safety and reliability with the ABB S203M-C16 Miniature Circuit Breaker. Designed for superior performance and longevity, this essential component offers the protection you need for optimal operation. Return to the ABB Contactors and Contactor Relays collection or explore the main ABB Industrial Automation Products category to discover more innovative solutions.FAQWhat is the primary function of the ABB S203M-C16?The ABB S203M-C16 serves as a miniature circuit breaker, providing crucial protection against both short circuits and overloads within electrical systems.What is the rated current of this MCB?This miniature circuit breaker has a rated current of 16 Amperes.How many poles does the ABB S203M-C16 have?The ABB S203M-C16 is a 3-pole miniature circuit breaker.What type of tripping curve does it feature?It features a C-characteristic tripping curve, optimized for general applications with moderate inrush currents.What is the breaking capacity of this circuit breaker?The breaking capacity of the ABB S203M-C16 is 10kA at 230/400V AC.

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$206.00
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PRODUCT DETAILS

ABB S203M-C16

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

  • Number of Poles: 3
  • Rated Current: 16A
  • Rated Voltage: 400V AC
  • Breaking Capacity: 10kA
  • Tripping Characteristic: C-curve
  • Mounting Type: DIN rail
  • Operating Temperature: -25°C to +55°C
  • Weight: 0.45 kg

Applications

The flexibility and robust performance of the ABB S203M-C16 position it as an essential component in multiple sectors:

  • Industrial Electrical Panels: Ensures secure power distribution and protection for critical machinery and systems.
  • Commercial Installations: Provides reliable protection for lighting, power circuits, and sensitive electronic equipment in commercial buildings.
  • Residential Electrical Systems: Offers enhanced safety and peace of mind by protecting against overloads and short circuits in homes.
  • Automation Systems: An ideal solution for control and distribution panels in advanced automation setups.

Why Choose the S203M-C16?

The ABB S203M-C16 distinguishes itself through its unique combination of features and benefits, setting a high standard for electrical safeguarding:

  • Unrivaled Protection: This MCB is engineered to prevent costly damage to electrical circuits and valuable connected devices, ensuring operational continuity.
  • Effortless Installation: Featuring convenient DIN rail mounting, the S203M-C16 allows for quick and straightforward integration into existing or new electrical panels, minimizing installation time and complexity.
  • Space-Saving Design: Its compact form factor is crucial for optimizing space within control panels and electrical enclosures, making it suitable for installations where space is at a premium.
  • Exceptional Durability: Built to withstand demanding environments, this miniature circuit breaker is designed for long-term durability, guaranteeing dependable performance even in harsh industrial settings.

Availability & Shipping

  • In stock: S203M-C16 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 S203M-C16 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — ABB

The ABB S203M-C16 serves as a miniature circuit breaker, providing crucial protection against both short circuits and overloads within electrical systems.

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.

CUSTOMER REVIEWS

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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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