Schneider Electric MT06N1 Air Circuit Breaker

Product Details

MT06N1 Product Description

The Schneider Electric MT06N1 is a high-performance MT Series Air Circuit Breaker (ACB) engineered for energy-conscious industrial environments. Designed to operate at the heart of low-voltage power distribution systems, the MT06N1 delivers precise load management, overload protection, and real-time circuit monitoring — making it an indispensable component in smart factory power architectures where energy efficiency, uptime, and production rhythm are non-negotiable priorities.

As manufacturing facilities transition toward leaner, data-driven operations, the MT06N1 serves as a critical energy-control node between the upstream power supply and downstream automation equipment. Its robust interrupting capacity and configurable protection settings allow facility engineers to fine-tune load thresholds, minimise reactive power losses, and prevent thermal runaway events that would otherwise disrupt production schedules and inflate energy costs.

In a fully integrated smart production line, the MT06N1 does not operate in isolation — it functions as the authoritative load-control gateway that governs how energy flows to every downstream automation asset. When paired with a Schneider Electric PowerLogic PM8000 power quality meter, the MT06N1 enables continuous monitoring of active power, power factor, and harmonic distortion at the feeder level, giving energy managers the granular data needed to implement targeted load-shedding strategies without interrupting critical processes.

At the drive layer, the MT06N1 protects the incoming supply to Schneider Altivar ATV630 variable frequency drives and Altivar ATV320 compact drives, both of which regulate motor speed and torque in pump, fan, and conveyor applications. By ensuring that these drives receive clean, uninterrupted power within rated parameters, the MT06N1 prevents nuisance tripping events that would force drives into fault-recovery cycles — a common source of hidden energy waste and production downtime.

On the control side, the MT06N1 integrates seamlessly with Schneider Modicon M340 PLCs and Modicon M580 ePAC controllers via Modbus TCP or IEC 61850 GOOSE messaging when equipped with a communication module. This connectivity allows the PLC to read breaker status, trip cause, and load current in real time, enabling automated load-balancing routines that redistribute electrical demand across production zones during peak tariff windows. The result is a measurable reduction in peak demand charges — one of the largest controllable cost items in energy-intensive manufacturing.

For human-machine interface visibility, the MT06N1's operational status and alarm conditions can be surfaced on Schneider Magelis HMIGTO advanced touchscreen panels, giving operators a live view of circuit health without requiring a separate energy monitoring terminal. When integrated with a Schneider EcoStruxure Power SCADA Operation platform, historical load profiles from the MT06N1 feed directly into energy dashboards, enabling predictive maintenance scheduling based on thermal stress accumulation and contact wear indicators.

At the I/O level, Schneider TM3 expansion I/O modules connected to the Modicon PLC can relay MT06N1 auxiliary contact signals — open, closed, tripped — to upstream supervisory systems, closing the feedback loop between the power distribution layer and the production execution layer. This architecture supports condition-based maintenance strategies that replace fixed-interval servicing with data-driven intervention, reducing both maintenance labour costs and unplanned outage risk.

The MT06N1's contribution to production line energy optimisation extends well beyond simple overcurrent protection. Its electronic trip unit supports long-time, short-time, and instantaneous (LSI) protection curves that can be calibrated to match the exact load profile of each feeder circuit. This precision eliminates the over-protection margins that are commonly built into fixed thermal-magnetic breakers, allowing production equipment to operate closer to its rated capacity without triggering spurious trips — a direct improvement in equipment utilisation rate.

In facilities running multiple production shifts, the MT06N1 supports zone-selective interlocking (ZSI), which dramatically reduces the arc energy released during a fault event. Lower arc energy means less thermal stress on busbars, cables, and connected equipment — translating to longer asset service life, reduced heat load in the switchroom, and lower cooling energy consumption. For factories operating in high-ambient-temperature environments, this thermal load reduction can meaningfully reduce HVAC energy demand in electrical rooms.

From a production rhythm perspective, the MT06N1's fast fault-clearing capability minimises the duration of voltage dips that would otherwise cause Altivar drives or Modicon PLCs to enter protective shutdown modes. Shorter fault-clearing times mean faster production restart sequences, tighter OEE (Overall Equipment Effectiveness) scores, and more predictable cycle times — all of which contribute to lower per-unit energy consumption across the production run.

NANKMOS supplies the MT06N1 from verified stock, with each unit subject to pre-shipment functional testing covering contact resistance, trip-curve verification, and auxiliary contact continuity. All units are shipped with full documentation and are covered by a 12-Month Warranty, ensuring that procurement teams can specify the MT06N1 with confidence in both product authenticity and post-sale support continuity.

Q1: How does the MT06N1 contribute to measurable energy savings on a production line? The MT06N1's configurable LSI protection curves allow engineers to eliminate over-protection margins, enabling equipment to run closer to rated capacity. Combined with ZSI fault clearing and integration with PowerLogic metering systems, it supports demand-side management strategies that reduce peak load charges and minimise reactive power losses — delivering quantifiable reductions in energy cost per production unit.

Q2: Is the MT06N1 compatible with Schneider EcoStruxure and third-party SCADA platforms? Yes. When fitted with the appropriate communication module (Modbus TCP, IEC 61850, or Profibus), the MT06N1 can exchange operational data with Schneider EcoStruxure Power SCADA Operation, as well as third-party SCADA and energy management systems that support standard industrial protocols. This makes it suitable for both greenfield smart factory deployments and brownfield upgrades.

Q3: Can the MT06N1 replace existing MasterPact or Compact NS series breakers in an existing panel? The MT06N1 is part of the MasterPact MT family and is designed for new installations or direct replacement within compatible Prisma P/G and Okken switchgear enclosures. For replacement projects, NANKMOS recommends verifying the existing frame size, busbar pitch, and auxiliary wiring configuration before ordering. Our technical team can assist with cross-reference validation.

Q4: What does the 12-Month Warranty cover, and what is the lead time for in-stock units? All MT06N1 units supplied by NANKMOS are covered by a 12-Month Warranty against manufacturing defects, covering the main breaker mechanism, electronic trip unit, and auxiliary contacts. In-stock units are available for immediate dispatch following pre-shipment testing. Standard lead time for stocked units is 3–7 business days to most destinations; expedited shipping is available on request.