Schneider Electric MicroLogic 6.0A Control Unit – Obsolete Trip Unit Spare Part

Technical Dossier

Product Details And Specifications

Schneider Electric MicroLogic 6.0A Control Unit – Obsolete Trip Unit Spare Part

RFQ support for obsolete parts: Send the model number, required quantity and destination so DriveKNMS can confirm sourcing options before quotation.

Technical Specifications

Solving the Discontinued Hardware Crisis

The MicroLogic 6.0A was the protection intelligence of an entire generation of Schneider Electric low-voltage power distribution systems. Installed across industrial plants, data centers, water treatment facilities, and commercial high-rises throughout the 1990s and 2000s, these trip units were engineered for 20–30 year service lives — but the supply chain supporting them has not kept pace.

How to extend the service life of your Masterpact / Compact NS installation by 5–10 years:

Condition & Reliability Assurance

Obsolete components sourced from the secondary market carry inherent risk. DriveKNMS applies a structured 5-step qualification process to every MicroLogic 6.0A unit before it is offered for sale:

1. Visual and mechanical inspection. Full external examination for housing cracks, connector pin corrosion, and label integrity. Units with evidence of field damage or unauthorized disassembly are rejected.
2. Electrolytic capacitor assessment. Internal capacitors are the primary age-related failure mode in A-series trip units. Each unit is assessed for capacitor bulging, leakage, and ESR deviation. Units with degraded capacitors are either reconditioned with OEM-equivalent components or removed from inventory.
3. Firmware version verification. The installed firmware revision is recorded and cross-referenced against known compatibility matrices for Masterpact NT/NW and Compact NS frames. Units with unverifiable or corrupted firmware are not sold.
4. Functional self-test execution. Each unit undergoes the MicroLogic built-in self-test sequence to confirm protection function integrity across L, S, I, and G channels.
5. Pin and connector integrity check. All interface connectors are inspected under magnification for oxidation, fretting corrosion, and mechanical deformation. Affected contacts are cleaned and treated prior to shipment.

Key Features for System Maintenance

Q: How do I confirm the unit is genuine Schneider Electric and not a counterfeit?
A: All units supplied by DriveKNMS include original Schneider Electric labeling, date codes, and serial number traceability where available. We do not source from unverified brokers. Upon request, we can provide pre-shipment inspection photos of the specific unit allocated to your order.

Q: Should I buy multiple units as long-term spares?
A: For any facility with more than two Masterpact or Compact NS frames using MicroLogic A-series trip units, purchasing 2–3 spare units is a sound asset protection strategy. Secondary market availability of A-series units will continue to decline. Current pricing reflects today's availability; future sourcing will be more difficult and more expensive.

Q: Can this unit be used with Masterpact NW frames as well as NT?
A: Compatibility depends on the specific breaker frame rating and the MicroLogic mounting interface. Contact DriveKNMS with your breaker nameplate data and we will confirm compatibility before dispatch review.