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Allen-Bradley 100-MCA02 dual interlock module for industrial control contactors

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Allen Bradley 100-MCA02

by Allen-Bradley

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OverviewThe Allen-Bradley 100-MCA02 is an indispensable dual interlock module designed to improve safety and operational integrity in industrial control applications. This unit offers a comprehensive safety solution by integrating both mechanical and electrical interlock mechanisms, working seamlessly with compatible 100-C contactors (excluding 100-C40 and 100-C90 models). This dual-layer protection ensures only one contactor in a paired setup can be energized at a time, preventing hazardous conditions like motor reversal or simultaneous activation of conflicting circuits. Its reliable performance makes it a vital component for demanding applications where precise control and operator safety are critical. The 100-MCA02 is constructed to high industrial standards, ensuring long operational life and consistent performance even in challenging environments.Key Features Advanced Dual Interlock System: Integrates both mechanical and electrical interlocks for superior safety and fault prevention. Broad Compatibility: Specifically designed for seamless operation with 100-C series contactors, allowing simple integration into existing systems (excluding 100-C40 and 100-C90). Enhanced Control: Equipped with two Normally Closed (N.C.) auxiliary contacts, providing additional flexibility for control circuits and status indication. Industrial-Grade Durability: Manufactured with premium materials to guarantee resilience and sustained performance in demanding industrial settings. Effortless Installation: Features a design optimized for quick and straightforward mounting directly onto compatible contactors, minimizing downtime. Reliable Operation: Ensures secure interlocking, preventing unintended operations and protecting critical machinery and personnel. Technical SpecificationsModel: 100-MCA02Interlock Type: Mechanical and electricalAuxiliary Contacts: 2 Normally Closed (N.C.)Compatibility: Allen-Bradley 100-C Contactors (Excludes 100-C40 and 100-C90 models)Mounting: Direct mount on compatible contactorsBrand: Allen-BradleyProduct Type: Dual Interlock ModuleConstruction: Robust industrial designApplications Motor Control Circuits: Essential for safe forward/reverse motor control, inhibiting simultaneous activation. Industrial Automation and Safety Systems: Integral to safeguarding automated processes and personnel in manufacturing facilities. Electrical Interlocking in Control Panels: Ensures sequential operation of critical components within sophisticated control systems. Conveyor and Packaging Systems: Utilized to prevent accidental activation or misalignment in material handling. Pump and Fan Control: Delivers dependable interlocking for various industrial pump and fan applications. Process Control Equipment: Boosts the safety and operational integrity of diverse manufacturing and process machinery. Why Choose This Module?Unrivaled Safety Assurance: The dual mechanical and electrical interlock design provides a superior level of safety, significantly reducing the risk of operational errors and damage to equipment.Seamless Integration: Engineered specifically for Allen-Bradley 100-C contactors, it ensures perfect compatibility and effortless incorporation into existing Allen-Bradley systems, saving time and installation costs.Enhanced System Reliability: By preventing conflicting operations, the 100-MCA02 contributes to a more stable and reliable control system, minimizing unexpected downtimes and maintenance needs.Increased Control Versatility: The inclusion of two Normally Closed (N.C.) auxiliary contacts offers valuable additional control points, allowing for greater flexibility in system design and monitoring.Allen-Bradley Quality and Trust: As a product of Allen-Bradley, you are investing in a component known for its exceptional quality, durability, and a legacy of industrial reliability.Optimized for Industrial Demands: Its robust construction and precise engineering make it ideal for the most challenging industrial environments.Order NowUpgrade your industrial control systems with the Allen-Bradley 100-MCA02 Dual Interlock Module. Contact us today to place your order and ensure enhanced safety and efficiency in your operations.FAQWhat is the primary function of the Allen-Bradley 100-MCA02?The 100-MCA02 is a dual interlock module that provides both mechanical and electrical interlocking for Allen-Bradley 100-C contactors, ensuring that only one contactor in a paired setup can be active at any given time, thus preventing hazardous conditions.Which contactor series is compatible with the 100-MCA02?This module is compatible with Allen-Bradley 100-C series contactors, excluding the 100-C40 and 100-C90 models.What types of interlocks does the 100-MCA02 utilize?It utilizes both mechanical and electrical interlocks to provide a comprehensive safety solution.How many auxiliary contacts does this module have?The 100-MCA02 is equipped with two Normally Closed (N.C.) auxiliary contacts.Is installation of the 100-MCA02 difficult?No, it features a design optimized for quick and straightforward direct mounting onto compatible contactors, minimizing downtime and simplifying the installation process.

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PRODUCT DETAILS

Allen Bradley 100-MCA02

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: 100-MCA02

Interlock Type: Mechanical and electrical

Auxiliary Contacts: 2 Normally Closed (N.C.)

Compatibility: Allen-Bradley 100-C Contactors (Excludes 100-C40 and 100-C90 models)

Mounting: Direct mount on compatible contactors

Brand: Allen-Bradley

Product Type: Dual Interlock Module

Construction: Robust industrial design

Applications

  • Motor Control Circuits: Essential for safe forward/reverse motor control, inhibiting simultaneous activation.
  • Industrial Automation and Safety Systems: Integral to safeguarding automated processes and personnel in manufacturing facilities.
  • Electrical Interlocking in Control Panels: Ensures sequential operation of critical components within sophisticated control systems.
  • Conveyor and Packaging Systems: Utilized to prevent accidental activation or misalignment in material handling.
  • Pump and Fan Control: Delivers dependable interlocking for various industrial pump and fan applications.
  • Process Control Equipment: Boosts the safety and operational integrity of diverse manufacturing and process machinery.

Why Choose the 100-MCA02?

Unrivaled Safety Assurance: The dual mechanical and electrical interlock design provides a superior level of safety, significantly reducing the risk of operational errors and damage to equipment.

Seamless Integration: Engineered specifically for Allen-Bradley 100-C contactors, it ensures perfect compatibility and effortless incorporation into existing Allen-Bradley systems, saving time and installation costs.

Enhanced System Reliability: By preventing conflicting operations, the 100-MCA02 contributes to a more stable and reliable control system, minimizing unexpected downtimes and maintenance needs.

Increased Control Versatility: The inclusion of two Normally Closed (N.C.) auxiliary contacts offers valuable additional control points, allowing for greater flexibility in system design and monitoring.

Allen-Bradley Quality and Trust: As a product of Allen-Bradley, you are investing in a component known for its exceptional quality, durability, and a legacy of industrial reliability.

Optimized for Industrial Demands: Its robust construction and precise engineering make it ideal for the most challenging industrial environments.

Availability & Shipping

  • In stock: 100-MCA02 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-MCA02 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The 100-MCA02 is a dual interlock module that provides both mechanical and electrical interlocking for Allen-Bradley 100-C contactors, ensuring that only one contactor in a paired setup can be active at any given time, thus preventing hazardous conditions.

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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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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