MICO+ 4.6 electronic circuit protection
Product Overview

The MICO-4-6 is an intelligent electronic protection module designed for power distribution in DC supply systems. It provides four individually protected output channels with current monitoring, quick trip behavior, and simplified wiring. This device is ideal for modern industrial control cabinets, machine automation systems, and modular equipment racks where reliable protection and diagnostics are essential.

Key Technical Specifications

Feature	Specification
Number of Channels	4 (each channel independently protected)
Rated Current per Channel	6 A (nominal)
Protection Type	Electronic circuit protection (electronic fusing / current limiting) rather than mechanical fuses
Behavior on Overcurrent	Fast response to overloads / short circuits; typically providing shutdown or current limiting for fault conditions
Reset Method	Likely manual or automatic reset per channel (depending on model details)
Status / Diagnostics	Local LED indicators per channel (ON / OFF or fault), possibly remote signalling of fault condition
Input / Output Voltage	24 V DC system compatibility (common in Murrelektronik power / MICO systems)
Connector / Mounting	DIN-rail mountable; 4 channel outputs likely with push-in or screw connections; input common DC bus connection
Thermal & Overload Handling	Able to sustain nominal current under ambient conditions; some headroom for startup loads; derating above certain ambient temps
Operating Temperature	Typically 0 °C to +60 °C for full load; may have higher storage range
Protection Class / Ratings	IP20 enclosure for internal control cabinet usage; built to relevant IEC/EN standards for electronic protection devices

Engineering Insights

Channel-level protection: Provides localized protection so that a fault in one channel doesn’t take down other circuits. This improves system resilience.
Electronic vs. Mechanical Fusing: Electronic protection can offer faster trip times, resettable behavior, more compact size, and less maintenance (no replacement of physical fuses). Also, provides more consistent behavior over time.
Current Monitoring & Diagnostics: On-board indicators help maintenance staff quickly identify faulted outputs, reducing downtime.
Space & Wiring Efficiency: Likely outputs are grouped; central input simplifies DC bus wiring; compact module saves space in control cabinet.
Reliability & Safety: Electronic protection modules generally undergo tests for overcurrent, ambient heat, and short-circuit—ensuring safe operation under fault conditions.

Suggested Product Page Description

Murrelektronik MICO-4-6 — 4-Channel Electronic Protection Module (6 A Channels)

Ensure safe and stable power distribution in your 24 V DC control panels with the MICO-4-6. This 4-channel module offers electronic overcurrent protection for each channel, fast fault detection, and clear status indication. Ideal for modular plants and machinery, it minimizes risk of downtime from channel overloads while simplifying wiring and maintenance. Compact, reliable, and ready for use in DIN-rail mounted configurations.

Key Features:

Four independently protected channels, each rated for up to 6 A
Fast electronic fault detection (overload / short circuit)
Channel-wise LED status indication for easy diagnostics
DIN-rail mountable module-form factor for control cabinet integration
Compatible with 24 V DC supply systems
Helps eliminate the need for mechanical fuses—less maintenance, more consistent protection