Schneider Electric MT16N1 Network Interface Module

Product Details

MT16N1 Product Description

The Schneider Electric MT16N1 is a dedicated network interface module engineered for the Masterpact NT and NW series air circuit breakers, enabling seamless integration of power distribution assets into modern industrial communication architectures. By bridging the gap between low-voltage switchgear and supervisory control systems, the MT16N1 transforms a conventional circuit breaker into an intelligent, network-aware node within a smart factory data chain. Whether deployed in a manufacturing plant, data centre power room, or process automation facility, this module delivers real-time electrical data — current, voltage, power factor, trip cause, and breaker status — directly to SCADA platforms, energy management systems, and building automation controllers without the need for additional signal converters or intermediary gateways.

In a fully connected smart factory, the MT16N1 sits at the foundation of the power data layer, feeding live electrical measurements upward through a structured communication hierarchy. At the field level, the MT16N1 plugs directly into the Masterpact NT or NW breaker's internal communication slot, eliminating the need for external current transformers or standalone power meters. The module reads three-phase current, voltage, active and reactive power, energy consumption, and breaker health indicators at the source.

This raw data travels over an RS-485 Modbus RTU bus — the same backbone that connects Schneider Electric PowerLogic PM5000 series power meters, iEM3000 series energy meters, and Acti9 Smartlink communication interfaces across the distribution board. A Modbus RTU-to-TCP gateway, such as the Schneider EGX300 or a compatible Moxa NPort 5000 series serial device server, converts the RS-485 signal to Ethernet, making the MT16N1's data accessible to any TCP/IP-based supervisory system on the plant network.

At the control layer, a Schneider Modicon M340 or M580 PLC can poll the MT16N1 register map via Modbus TCP, enabling automated load-shedding logic, demand response routines, and interlock sequences based on real-time breaker current readings. The PLC's output can simultaneously command contactors, motor starters, and Altivar ATV320 or ATV630 variable frequency drives to reduce load when the MT16N1 reports an overcurrent condition approaching the breaker's trip threshold — a closed-loop power management strategy that prevents nuisance tripping and protects production continuity.

On the monitoring side, Schneider EcoStruxure Power Monitoring Expert (PME) or PowerLogic SMS ingests the MT16N1 data stream to build single-line diagrams, trend energy consumption over time, and generate automated power quality reports. For facilities using a broader SCADA platform such as Wonderware System Platform, Ignition by Inductive Automation, or Siemens WinCC, the Modbus TCP data from the MT16N1 maps directly into historian tags, enabling long-term energy analytics and ISO 50001 compliance reporting. HMI panels — including Schneider Magelis HMIGTO or Vijeo Designer-based touchscreens — can display live breaker status, trip history, and energy KPIs on the plant floor without operator intervention.

For remote sites or multi-building campuses, an industrial edge gateway — such as the Schneider EcoStruxure Machine Advisor edge box or a Advantech WISE-5000 series IoT gateway — aggregates MT16N1 data alongside readings from remote I/O modules, temperature sensors, and power quality analysers. This edge layer pre-processes alarm conditions locally, ensuring that critical trip events trigger immediate notifications even during WAN interruptions, while buffered data synchronises to the cloud SCADA dashboard once connectivity is restored.

Protocol fragmentation is one of the most persistent challenges in industrial power management. Legacy switchgear often communicates over proprietary or non-standard interfaces, creating data silos that prevent energy managers from seeing the full picture. The MT16N1 resolves this by standardising Masterpact breaker data on Modbus RTU — the most widely supported protocol in industrial automation — ensuring compatibility with virtually every PLC, SCADA, and energy management platform in use today.

Data island elimination: By connecting the Masterpact breaker directly to the Modbus network, the MT16N1 removes the need for manual meter readings or standalone data loggers. Energy consumption, demand peaks, and power factor data flow automatically into the plant historian, giving operations teams a continuous, uninterrupted view of electrical performance across all distribution points.

Remote monitoring and diagnostics: Maintenance teams can interrogate the MT16N1's trip cause register remotely — identifying whether a trip was caused by overload, short circuit, earth fault, or thermal memory — without physically accessing the switchboard. This capability dramatically reduces mean time to repair (MTTR) and supports predictive maintenance strategies by correlating trip history with production schedules and load profiles.

Production line transparency: When integrated with MES or ERP systems via SCADA middleware, the MT16N1's energy data enables per-line, per-shift, and per-product energy cost allocation — a key requirement for ISO 50001 energy management certification and carbon footprint reporting under ESG frameworks.

Alarm tracking and system expansion: The MT16N1 supports configurable alarm thresholds that trigger Modbus exception responses, allowing SCADA systems to escalate alerts through SMS, email, or plant PA systems. As facilities expand, additional Masterpact breakers fitted with MT16N1 modules can be daisy-chained on the same RS-485 bus (up to 32 nodes), scaling the monitoring network without additional wiring infrastructure.

Q1: What is the communication latency of the MT16N1 over Modbus RTU? At 19,200 bps with standard Modbus RTU polling, the MT16N1 delivers a typical response time of under 50 ms per register read. In a network of up to 32 nodes, full-scan cycle times remain under 2 seconds, which is well within the requirements of most SCADA and energy management polling intervals (typically 1–10 seconds).

Q2: Is the MT16N1 compatible with IEC 61850 SCADA systems? The MT16N1 natively communicates via Modbus RTU. IEC 61850 compatibility is achieved by pairing the module with a Modbus-to-IEC 61850 protocol gateway, such as the Schneider EGX400 or equivalent third-party converters. This configuration allows the MT16N1 to publish GOOSE messages and MMS data objects to IEC 61850-compliant substation automation systems without hardware modification to the breaker.

Q3: How is network stability ensured in high-noise industrial environments? The MT16N1's RS-485 interface is designed for industrial EMC environments, supporting shielded twisted-pair cabling with termination resistors at both ends of the bus. The Modbus RTU protocol includes CRC error checking on every frame, and the module's firmware implements automatic retry logic to recover from transient communication errors without dropping the node from the network.

Q4: What does the 12-Month Warranty cover, and has the unit been tested before shipment? Every MT16N1 supplied by NANKMOS carries a 12-month warranty from the date of shipment, covering manufacturing defects and communication failures under normal operating conditions. Each unit undergoes pre-shipment functional testing — including Modbus register verification and communication link validation — before dispatch. In-stock units are available for same-week global shipping. For volume orders or project-specific lead time requirements, contact our technical team at [email protected] or +86 18359268345.