Murrelektronik MICO+ 4.4 Circuit Protection Review: Specs, Price and Applications
Updated: 7 days ago
Murrelektronik MICO+ 4.4 article 9000-41084-0100400 is a four-channel electronic circuit-protection and distribution module for a specified 24 VDC installation, with selectable one-to-four-ampere channel settings.
Quick Verdict
MICO+ 4.4 is useful for a defined 24 VDC cabinet load arrangement that fits its channel settings and protection characteristics. Specify the exact article number and evaluate the supply and loads together; it is not a DC power supply, a generic ten-ampere MICO variant or a certified machine-safety relay.
Murrelektronik MICO+ 4.4 Circuit Protection at a Glance
Exact reference: 9000-41084-0100400; MICO+ 4.4
Channels: Four protected output channels
Input/output class: 24 VDC input and corresponding 24 VDC distribution outputs
Current settings: 1, 2, 3 or 4 A in the manufacturer article specification
Mounting reference: TH35 mounting rail; selected wiring and spacing instructions govern
Manufacturer environment: 0–55 °C operating range in the cited article data; installation and derating instructions still apply
Price: Request a quote for the exact ordering configuration.
Technical Specifications
Specification | Documented configuration |
Exact reference | 9000-41084-0100400; MICO+ 4.4 |
Channels | Four protected output channels |
Input/output class | 24 VDC input and corresponding 24 VDC distribution outputs |
Current settings | 1, 2, 3 or 4 A in the manufacturer article specification |
Mounting reference | TH35 mounting rail; selected wiring and spacing instructions govern |
Manufacturer environment | 0–55 °C operating range in the cited article data; installation and derating instructions still apply |
Design and Build
The article number resolves the broad MICO+ family heading. The manufacturer specifies four channels with one-, two-, three- and four-ampere settings for this reference. Do not transfer the rating of another MICO current size or substitute a related article solely from appearance. Any proposed alternative should be checked for its complete electrical and diagnostic behavior before acceptance.
A DC distribution/protection component is selected from the complete supply and branch-load design. Identify wiring, terminals, current demand and the required installation environment. Channel count and a nominal current setting do not define the whole protection arrangement. Use the exact article's electrical and mounting instructions.
Configuration and Integration
The module distributes and protects a DC load arrangement; it does not generate a regulated twenty-four-volt supply from the mains. Match the supply, wiring, load current and startup demand to the applicable protection characteristic. Channel settings should be selected through the approved electrical design rather than assumed from the connected equipment's average current alone. Confirm how an affected channel and its diagnostics interact with the complete cabinet.
Document each protected branch and its accepted setting and diagnostic connection. Define how the machine reports an affected load and how power restoration is handled under the approved procedure. Preserve the wiring and configuration with the equipment baseline. Electrical protection, ordinary control and required machine safety should have explicitly defined roles.
Applications and Use Cases
Relevant to a specified 24 VDC control-cabinet distribution design with loads matching the selected protection characteristics. Confirm the full article, wiring, settings and recovery requirements.
Electronic circuit protection is also distinct from a machine-protective control function. The exact module documentation should define its permitted switching, signaling and recovery behavior, while the machine's safety architecture has its own requirements. Preserve the accepted channel assignment and settings with the wiring record. Verify that service replacement restores the same article and configuration rather than only a similar four-channel package.
Assess the assembled supply, protection and load system. Nominal voltage and channel settings are inputs to that assessment rather than proof that every connected load will start or every required fault will be isolated as intended. Exact device characteristics and the electrical design govern.
Alternatives and Selection
Compare this exact MICO+ 4.4 article with matched electronic protection and a feasible conventional branch-protection arrangement using the same supply and loads. Include diagnostics, startup behavior and service restoration.
Price and Value
Price: Request a quote. The quotation should identify the exact product configuration, included options, delivery terms and support scope. Accessories and integration work should be listed separately so the hardware price can be compared on a like-for-like basis. A family name or headline specification is not a complete purchasing description.
Assess value against the work the product enables in the machine. Include the engineering needed to configure it, the equipment that must operate alongside it and the effort required to maintain or replace it. A lower component price can be outweighed by extra integration work, while additional features are valuable only when the application can use them. Compare written configurations rather than assumed package contents.
Pros and Cons
Pros
Exact four-channel arrangement supports an explicit cabinet load map
Selectable one-to-four-ampere settings address defined branch requirements
Rail-mount format fits a specified control-cabinet installation
Cons
Related MICO articles can have different electrical behavior
Supply capability and load startup must be assessed with the module
Circuit protection is not a complete machine-safety relay function
Who Should Consider Murrelektronik MICO+ 4.4 Circuit Protection?
MICO+ 4.4 is useful for a defined 24 VDC cabinet load arrangement that fits its channel settings and protection characteristics. Specify the exact article number and evaluate the supply and loads together; it is not a DC power supply, a generic ten-ampere MICO variant or a certified machine-safety relay.
The strongest purchasing case is a clearly defined requirement that matches the documented configuration. If the project depends on a particular option, interface or mechanical arrangement, include it explicitly in the order. Keep the accepted configuration with the equipment documentation so a later replacement preserves the intended application.
Commissioning and Acceptance
Verify the representative load startup, normal operation, diagnostic visibility and approved restoration behavior through the electrical acceptance procedure. Check that the supplied article and branch assignments match the design. Preserve settings and wiring records for replacement. Required machine-protective tests remain part of their applicable validated architecture.
Murrelektronik MICO+ 4.4 Circuit Protection FAQ
What is Murrelektronik MICO+ 4.4 Circuit Protection?
Murrelektronik MICO+ 4.4 article 9000-41084-0100400 is a four-channel electronic circuit-protection and distribution module for a specified 24 VDC installation, with selectable one-to-four-ampere channel settings.
Which configuration is reviewed?
Exact reference: 9000-41084-0100400; MICO+ 4.4. Channels: Four protected output channels.
What is the main selection consideration?
MICO+ 4.4 is useful for a defined 24 VDC cabinet load arrangement that fits its channel settings and protection characteristics. Specify the exact article number and evaluate the supply and loads together; it is not a DC power supply, a generic ten-ampere MICO variant or a certified machine-safety relay.
What applications should it be considered for?
Relevant to a specified 24 VDC control-cabinet distribution design with loads matching the selected protection characteristics. Confirm the full article, wiring, settings and recovery requirements.
What is a documented advantage?
Exact four-channel arrangement supports an explicit cabinet load map. Selectable one-to-four-ampere settings address defined branch requirements.
What limitation matters during integration?
Related MICO articles can have different electrical behavior. Supply capability and load startup must be assessed with the module.
What is the price?
Price: Request a quote. Specify the exact ordering configuration, required options, accessories and delivery terms.
How should an alternative be compared?
Compare this exact MICO+ 4.4 article with matched electronic protection and a feasible conventional branch-protection arrangement using the same supply and loads. Include diagnostics, startup behavior and service restoration.
Product information: Murrelektronik manufacturer product-PDF for article 9000-41084-0100400, version dated 2026-09-26, and supplied MICO+ listing.
Pricing is quotation-based and may change. Options, availability, delivery and application requirements depend on the selected ordering configuration.
