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Allen-Bradley 140M-C-ASA20 right-side mounted auxiliary contact block for motor protection circuit breakers

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Allen-Bradley 140M-C-ASA20

by Allen-Bradley

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OverviewThe Allen-Bradley 140M-C-ASA20 is a high-performance auxiliary contact block designed for seamless integration with Allen-Bradley 140M motor protection circuit breakers. This crucial component expands the control and signaling functions in various industrial automation and motor control setups. Engineered for robust operation, the 140M-C-ASA20 provides accurate feedback and control for motor protection. It enhances the main circuit breaker's functionality by supplying additional switching contacts for interlocking, signaling, and control within complex electrical systems. Built to withstand demanding industrial environments, this auxiliary contact block features two normally open (N.O.) contacts, offering flexible options for indicating operational status, implementing interlocking sequences, or activating external devices based on the motor protection circuit breaker's condition. Its compact design and straightforward integration make it an essential addition for new installations and existing system upgrades, ensuring an efficient enhancement to your motor control infrastructure.Key Features Specific Right-Side Attachment: Engineered for secure and straightforward mounting on the right side of Allen-Bradley 140M motor protection circuit breakers, ensuring optimal mechanical and electrical connection without consuming excess panel space. Dual Normally Open (N.O.) Contacts: Equipped with two independent normally open contacts, providing versatile options for auxiliary signaling, status indication, and advanced control circuit designs, thereby increasing the adaptability of your motor control system. Robust Industrial Construction: Built to endure harsh industrial conditions, this contact block features a durable enclosure that guarantees long-term operational dependability and resistance to environmental factors like dust and vibration. Improved System Feedback: Facilitates essential feedback to control systems or HMI interfaces by indicating the operational state (e.g., trip, active) of the associated motor protection circuit breaker, allowing for proactive maintenance and system diagnostics. Simplified Integration and Expansion: Designed for user-friendly installation, enabling rapid and easy integration into existing or new control panels, minimizing downtime and simplifying the expansion of control capabilities. Full Allen-Bradley Compatibility: Ensures perfect compatibility and electrical synergy with the Allen-Bradley 140M series of motor protection circuit breakers, delivering an integrated and unified control solution. Optimized for Motor Protection Circuits: Specifically designed to fulfill the rigorous demands of motor protection and control applications, offering dependable auxiliary switching for critical safety and operational functions. Technical SpecificationsModel: 140M-C-ASA20Mounting Position: Right-SideContact Configuration: 2 Normally Open (N.O.)Compatibility: Designed for use with Allen-Bradley 140M motor protection circuit breakers.Application: Auxiliary control and signaling for motor protection circuits and industrial automation.Durability: Engineered for industrial environments.Standards: Meets relevant industry standards for electrical components.ApplicationsMotor Control and Protection SystemsCrucial for implementing advanced control logic, interlocking functions, and indicating operational status within motor starter and protection circuits across various industrial sectors.Industrial Automation SetupsIntegrates smoothly into complex automation architectures to provide auxiliary switching for PLCs, DCS systems, and other control elements.Why Choose Palm Parts Solution?At Palm Parts Solution, we commit to delivering superior industrial automation components. The Allen-Bradley 140M-C-ASA20 auxiliary contact block exemplifies our dedication to quality and performance, ensuring your operations run smoothly and efficiently. We offer expert support and a broad selection of products to meet your specific industrial needs.Order NowEnhance your motor control systems today with the Allen-Bradley 140M-C-ASA20. Browse our extensive inventory and place your order with confidence. For assistance or bulk inquiries, please contact our sales team.FAQWhat is the primary function of the 140M-C-ASA20?The 140M-C-ASA20 provides auxiliary contacts to expand the control and signaling capabilities of Allen-Bradley 140M motor protection circuit breakers, offering additional switching functions for interlocking and status indication.What type of contacts does this model feature?This model is equipped with two Normally Open (N.O.) contacts, which are open in their default state and close when the circuit breaker operates.Is this auxiliary contact block compatible with all Allen-Bradley circuit breakers?No, the 140M-C-ASA20 is specifically designed for use with Allen-Bradley 140M series motor protection circuit breakers to ensure optimal compatibility and performance.Where does the 140M-C-ASA20 mount on the circuit breaker?It is designed for secure and easy attachment to the right side of the compatible Allen-Bradley 140M motor protection circuit breakers.Can this component be used in harsh industrial environments?Yes, the 140M-C-ASA20 features a rugged industrial construction, making it suitable for demanding industrial settings and resistant to environmental stressors.

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$250.99
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PRODUCT DETAILS

Allen-Bradley 140M-C-ASA20

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:

  1. Exact replacement — same Allen-Bradley 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 Allen-Bradley platform with documented conversion notes

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

Technical Specifications

Model: 140M-C-ASA20

Mounting Position: Right-Side

Contact Configuration: 2 Normally Open (N.O.)

Compatibility: Designed for use with Allen-Bradley 140M motor protection circuit breakers.

Application: Auxiliary control and signaling for motor protection circuits and industrial automation.

Durability: Engineered for industrial environments.

Standards: Meets relevant industry standards for electrical components.

Applications

Motor Control and Protection Systems

Crucial for implementing advanced control logic, interlocking functions, and indicating operational status within motor starter and protection circuits across various industrial sectors.

Industrial Automation Setups

Integrates smoothly into complex automation architectures to provide auxiliary switching for PLCs, DCS systems, and other control elements.

Why Choose the 140M-C-ASA20?

At Palm Parts Solution, we commit to delivering superior industrial automation components. The Allen-Bradley 140M-C-ASA20 auxiliary contact block exemplifies our dedication to quality and performance, ensuring your operations run smoothly and efficiently. We offer expert support and a broad selection of products to meet your specific industrial needs.

Availability & Shipping

  • In stock: 140M-C-ASA20 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 140M-C-ASA20 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The 140M-C-ASA20 provides auxiliary contacts to expand the control and signaling capabilities of Allen-Bradley 140M motor protection circuit breakers, offering additional switching functions for interlocking and status indication.

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.

CUSTOMER REVIEWS

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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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