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ABB S2C-A1 Auxiliary Contact side-mounted on a miniature circuit breaker

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ABB S2C-A1

by ABB

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OverviewThe ABB S2C-A1 auxiliary contact is a vital component for modern electrical setups, enabling precise status signaling and consistent performance. Crafted by ABB, a leader in power and automation, the S2C-A1 integrates smoothly with ABB miniature circuit breakers (MCBs), offering crucial real-time data on breaker status. This empowers advanced control strategies, improved monitoring abilities, and heightened operational safety across many applications. Its compact size and durable build make it an excellent option for electricians, panel builders, and automation engineers seeking dependable and efficient electrical system management tools.Key Features Model: ABB S2C-A1 Function: Auxiliary contact for accurate status signaling in electrical circuits. Compatibility: Created for effortless integration and peak performance alongside ABB Miniature Circuit Breakers (MCBs). Contact Configuration: Features a single Normally Open (NO) contact, providing clear indication when the circuit breaker is active. Compact Design: Exceptionally space-efficient, allowing simple installation and effective use of panel space in control cabinets and electrical enclosures. Reliable Performance: Delivers consistent and accurate status indication, essential for effective monitoring and proactive management of electrical systems. Technical Specifications Contact Type: 1 NO (Normally Open) Rated Voltage: 250V AC Rated Current: 6A Mounting Type: Conveniently mounts directly onto compatible ABB miniature circuit breakers from the side, simplifying installation. Operating Temperature: Engineered to function reliably in diverse environmental conditions, spanning -25°C to +55°C. Weight: Extremely lightweight at 0.02 kg, reducing extra load on electrical panels. Applications Electrical Panels: Significantly improves control and status monitoring features for individual circuit breakers, contributing to overall system safety and dependability. Industrial Automation: Provides essential and reliable signaling within intricate automation systems, allowing for precise control and synchronized operation of machinery and processes. Building Installations: Important for status indication in various electrical protection systems found in commercial and residential buildings, supporting smart building management. Control Systems: Facilitates efficient and proactive monitoring of circuit operations, enabling rapid fault detection and preventive maintenance in critical control infrastructures. Why Choose?The ABB S2C-A1 stands out as a superior selection for anyone needing a trustworthy auxiliary contact. Its flawless compatibility with ABB MCBs ensures a straightforward integration process, while its 1 NO contact configuration delivers clear and unambiguous status feedback. The rugged construction and broad operating temperature range guarantee long-term reliability even in challenging environments. By opting for the S2C-A1, you are investing in improved monitoring features, increased operational efficiency, and ultimately, a safer electrical system. Its small footprint means it won't overcrowd your panels, a considerable advantage in limited-space applications. With ABB's reputation for quality and innovation, the S2C-A1 offers peace of mind and performance you can rely on.Order NowElevate the control and monitoring capabilities of your electrical circuits with the ABB S2C-A1 auxiliary contact. Ensure precision, reliability, and enhanced safety in your installations. Add the ABB S2C-A1 to your project today and experience the difference of genuine ABB quality. Explore our full range of ABB Contactors and Contactor Relays or delve into the comprehensive ABB Industrial Automation Products catalog for more innovative solutions.FAQWhat is the primary function of the ABB S2C-A1 auxiliary contact?The ABB S2C-A1 auxiliary contact is primarily used for precise status signaling within electrical circuits, providing real-time feedback on the operational state of connected miniature circuit breakers.Is this auxiliary contact compatible with all circuit breakers?No, the ABB S2C-A1 is specifically designed for seamless integration and optimal performance with ABB Miniature Circuit Breakers (MCBs).What is the contact configuration of the S2C-A1?The S2C-A1 features a 1 NO (Normally Open) contact configuration, meaning it provides a closed circuit signal when the main circuit breaker is in the "ON" position.What are the operating temperature limits for the ABB S2C-A1?The ABB S2C-A1 is designed to operate reliably in temperatures ranging from -25°C to +55°C.How is the S2C-A1 installed?The S2C-A1 features a convenient side-mounting design, allowing for direct attachment to compatible ABB miniature circuit breakers.

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$266.00
17 in stock

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PRODUCT DETAILS

ABB S2C-A1

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:

  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

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

Technical Specifications

  • Contact Type: 1 NO (Normally Open)
  • Rated Voltage: 250V AC
  • Rated Current: 6A
  • Mounting Type: Conveniently mounts directly onto compatible ABB miniature circuit breakers from the side, simplifying installation.
  • Operating Temperature: Engineered to function reliably in diverse environmental conditions, spanning -25°C to +55°C.
  • Weight: Extremely lightweight at 0.02 kg, reducing extra load on electrical panels.

Applications

  • Electrical Panels: Significantly improves control and status monitoring features for individual circuit breakers, contributing to overall system safety and dependability.
  • Industrial Automation: Provides essential and reliable signaling within intricate automation systems, allowing for precise control and synchronized operation of machinery and processes.
  • Building Installations: Important for status indication in various electrical protection systems found in commercial and residential buildings, supporting smart building management.
  • Control Systems: Facilitates efficient and proactive monitoring of circuit operations, enabling rapid fault detection and preventive maintenance in critical control infrastructures.

Why Choose the S2C-A1?

The ABB S2C-A1 stands out as a superior selection for anyone needing a trustworthy auxiliary contact. Its flawless compatibility with ABB MCBs ensures a straightforward integration process, while its 1 NO contact configuration delivers clear and unambiguous status feedback. The rugged construction and broad operating temperature range guarantee long-term reliability even in challenging environments. By opting for the S2C-A1, you are investing in improved monitoring features, increased operational efficiency, and ultimately, a safer electrical system. Its small footprint means it won't overcrowd your panels, a considerable advantage in limited-space applications. With ABB's reputation for quality and innovation, the S2C-A1 offers peace of mind and performance you can rely on.

Availability & Shipping

  • In stock: S2C-A1 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 S2C-A1 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — ABB

The ABB S2C-A1 auxiliary contact is primarily used for precise status signaling within electrical circuits, providing real-time feedback on the operational state of connected miniature circuit breakers.

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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