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Allen-Bradley 100-FA40
by Allen-Bradley
Read verified buyer reviews ↓OverviewThe Allen-Bradley 100-FA40 Auxiliary Contact Block significantly enhances the functionality of your Bulletin 100-C and 100S-C contactors. As a product from Allen-Bradley, a leader in industrial automation, this front-mounted contact block provides four Normally Open (N.O.) contacts. This configuration offers extensive adaptability for various industrial control scenarios. Its robust construction and effortless integration guarantee dependable operation and improved efficiency in demanding industrial settings. Crafted for simple installation and lasting durability, the 100-FA40 helps streamline wiring and reduce potential downtime. Whether you are upgrading existing systems or developing new control schemes, this auxiliary contact block delivers the precision and reliability expected from Allen-Bradley. Elevate your motor control, automation, and safety systems with this high-quality, trustworthy component.Key Features Perfect Compatibility: Designed for flawless integration with Allen-Bradley Bulletin 100-C and 100S-C contactors, ensuring optimal system harmony. Four N.O. Connections: Offers 4 Normally Open (N.O.) contacts, greatly expanding control circuit possibilities for a wide array of uses. Easy Front Mounting: Built for convenient front-mounting, enabling quick and direct installation and maintenance with minimal disruption. Industrial-Grade Construction: Manufactured with premium materials to endure harsh industrial conditions, ensuring a long operational life and steady performance. Compact Design for Space Saving: Its efficient and compact form factor optimizes the use of panel space, allowing for more organized control cabinets. Dependable Operation: Provides consistent and reliable electrical connections, vital for precise control in critical automation and safety systems. Enhanced System Versatility: Adds considerable flexibility to your control circuits, facilitating more intricate interlocks, indicators, and control logic. Technical SpecificationsModel Number: 100-FA40Brand: Allen-BradleyProduct Type: Auxiliary Contact BlockCompatible Contactors: Bulletin 100-C and 100S-C contactorsContact Configuration: 4 N.O. (Normally Open) contactsMounting Type: Front mountingNominal Electrical Ratings: Suitable for standard industrial control voltages and currents (consult contactor specifications for complete details).Build Quality: Durable construction for long-term operational reliability in industrial environments.Operating Temperature: Engineered to function within typical industrial temperature ranges.Applications Motor Control Systems: Excellent for adding supplementary functions such as control circuit interlocks, indicator lights, or additional logic to motor starters and contactor circuits. Industrial Automation Setups: Crucial for extending control capabilities within PLCs, HMI systems, and other automated processes where additional contact points are necessary. Safety Interlock Mechanisms: Can be utilized to create robust safety interlocks and feedback systems, boosting the overall safety of machinery and processes. Control Panel Improvements: Integrates seamlessly into existing or new control panels, offering flexible options for signaling, sequencing, and monitoring. HVAC and Pumping Systems: Employed in heating, ventilation, air conditioning, and pumping applications for precise control and status indication. Machine Tool Control: Provides reliable auxiliary contacts for various functions in machine tool control, ensuring accurate operation and protection. Why Choose This Model?Unmatched Reliability: As an Allen-Bradley product, the 100-FA40 is manufactured to the highest standards, offering dependable performance that minimizes downtime and upkeep.Effortless Integration: Engineered specifically for 100-C and 100S-C contactors, it guarantees a perfect fit and trouble-free integration.Order NowEnhance your industrial control systems today by integrating the Allen-Bradley 100-FA40 Auxiliary Contact Block. Contact us for pricing and availability!FAQHow many contacts does the 100-FA40 have?The 100-FA40 Auxiliary Contact Block comes equipped with four Normally Open (N.O.) contacts.Which Allen-Bradley contactors are compatible with the 100-FA40?This auxiliary contact block is specifically designed for seamless integration with Allen-Bradley Bulletin 100-C and 100S-C contactors.Is this unit difficult to install?No, the 100-FA40 features a front-mounting design, which allows for quick and straightforward installation and maintenance.What are the primary applications for this contact block?This auxiliary contact block is ideal for various applications including motor control circuits, industrial automation systems, safety interlock systems, control panel enhancements, HVAC and pumping systems, and machine tool control.
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Allen-Bradley 100-FA40
Overview
This is a genuine Allen-Bradley 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 Allen-Bradley catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Allen-Bradley automation ecosystem
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Allen-Bradley 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 Allen-Bradley 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 Allen-Bradley platform with documented conversion notes
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
Model Number: 100-FA40
Brand: Allen-Bradley
Product Type: Auxiliary Contact Block
Compatible Contactors: Bulletin 100-C and 100S-C contactors
Contact Configuration: 4 N.O. (Normally Open) contacts
Mounting Type: Front mounting
Nominal Electrical Ratings: Suitable for standard industrial control voltages and currents (consult contactor specifications for complete details).
Build Quality: Durable construction for long-term operational reliability in industrial environments.
Operating Temperature: Engineered to function within typical industrial temperature ranges.
Applications
- Motor Control Systems: Excellent for adding supplementary functions such as control circuit interlocks, indicator lights, or additional logic to motor starters and contactor circuits.
- Industrial Automation Setups: Crucial for extending control capabilities within PLCs, HMI systems, and other automated processes where additional contact points are necessary.
- Safety Interlock Mechanisms: Can be utilized to create robust safety interlocks and feedback systems, boosting the overall safety of machinery and processes.
- Control Panel Improvements: Integrates seamlessly into existing or new control panels, offering flexible options for signaling, sequencing, and monitoring.
- HVAC and Pumping Systems: Employed in heating, ventilation, air conditioning, and pumping applications for precise control and status indication.
- Machine Tool Control: Provides reliable auxiliary contacts for various functions in machine tool control, ensuring accurate operation and protection.
Why Choose the 100-FA40?
Unmatched Reliability: As an Allen-Bradley product, the 100-FA40 is manufactured to the highest standards, offering dependable performance that minimizes downtime and upkeep.
Effortless Integration: Engineered specifically for 100-C and 100S-C contactors, it guarantees a perfect fit and trouble-free integration.
Availability & Shipping
- ▸In stock: 100-FA40 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 100-FA40 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Allen-Bradley
Machine down? We ship parts the same day.
New, surplus, and refurbished Allen-Bradley 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.