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The Eaton MCCB NZMN3-AE400 is a high-performance 3-pole molded case circuit breaker designed with a cutting-edge microprocessor-based trip unit, in the Eaton Moeller NZM series. Rated at 400A, this circuit-breaker features a wide range of advanced functionalities and global approvals including IEC, UL, and CSA standards ensuring international compliance and reliability. Equipped with on-board diagnostics as a standard, it provides real-time monitoring and fault detection enhancing safety and operational efficiency. The NZMN3-AE400 integrates a comprehensive communication suite, supporting protocols like Modbus, Profibus, Ethernet, and SWD, allowing seamless integration into modern automation and energy management systems. The optional energy monitoring module with communication and panel front display ensures precise energy consumption tracking and management. Special versions of the MCCB support voltages up to 1000V AC and even 1500V AC, making it versatile across various industrial applications. The microprocessor-based trip unit allows adjustable thermal protection from 0.5 to 1.0 times In and magnetic protection from 2 to 12 times In, enabling tailored protection for sensitive electrical components. Additional features include an overload pre-alarm LED for early warning indications and multiple mounting options such as withdrawable, plug-in, and motorized types to fit different panel configurations. Offering 100% Ics and Icu ratings, this MCCB ensures robust short circuit and fault current interruption capabilities. The Eaton NZMN3-AE400 is ideally suited for panel builders, automation professionals, engineering firms, and machinery OEMs who require reliable overload and short circuit protection for motors, transformers, power generators, and other critical electrical equipment.
Key Features
| Features | Description |
|---|---|
| Rated Current | 400A |
| Poles | 3 Pole |
| Trip Unit Type | Microprocessor Based Trip Unit (Type AE) |
| Adjustable Thermal Protection | 0.5 - 1.0 x In |
| Adjustable Magnetic Protection | 2 - 12 x In |
| Global Approvals | IEC, UL, CSA |
| Communication Protocols | Modbus, Profibus, Ethernet, SWD |
| Overload Pre Alarm | LED Indicator |
| Mounting Options | Withdrawable, Plug-in, Motorized |
| Voltage Range | Standard up to 1000V AC; Special versions up to 1500V AC |
| Breaking Capacity (Ics = Icu) | 100% rated short circuit breaking capacity |
| Attributes | Description |
|---|---|
| Model Number | NZMN3-AE400 |
| Series | Eaton Moeller NZM |
| Type | Molded Case Circuit Breaker (MCCB) |
| Pole Configuration | 3 Pole |
| Rated Current (In) | 400 Amperes |
| Trip Unit | Microprocessor based, Type AE |
| Thermal Protection Adjustment | 0.5 - 1.0 x In |
| Magnetic Protection Adjustment | 2 - 12 x In |
| Breaking Capacity | Ics = 100% Icu |
| Voltage Rating | Up to 1000V AC (Standard), up to 1500V AC (Special) |
| Communication Interfaces | Modbus, Profibus, Ethernet, SWD |
| Energy Monitoring Module | Optional with communication and panel front display |
| Diagnostics | On-board diagnostics standard |
| Overload Pre Alarm | LED Indicator |
| Mounting Options | Withdrawable, Plug-in, Motorized |
| Application | Ideal for panel builders, automation, engineering, machinery OEMs |
*Disclaimer: The above description has been AI-generated and has not been audited or verified for accuracy. It is recommended to verify product details independently before making any purchasing decisions.
Yes, special versions of the NZMN3-AE400 support voltage ratings up to 1500V AC, suitable for higher voltage industrial applications.
The MCCB supports multiple communication protocols including Modbus, Profibus, Ethernet, and SWD, facilitating integration with different automation platforms.
Yes, it features an overload pre-alarm LED indicator that warns users before the overload trip activates.
An optional energy monitoring module with communication capability and panel front display is available to provide detailed energy consumption insights.
The Eaton NZMN3-AE400 offers flexibility with withdrawable, plug-in, and motorized mounting options to accommodate various panel designs and operational needs.
Eaton Moeller series NZM molded case circuit breaker electronic NZMN3-AE400 - Circuit-breaker, 3p, 400A NZM with Microprocessor Based Trip Unit Type AE.
Feature- Global Approvals: IEC, UL, CSA, ShippingOn board Diagnostics as standardComplete suite of communicationsolutions-Modbus/Profibus/Ethernet/SWDEnergy Monitoring module with communicationand/or panel front displaySpecial versions: 1000V AC and upto 1500V ACMicroprocessor based Trip Unit:Adjustable Thermal: 0.5 - 1.0 InAdjustable Magnetic: 2 - 12 InOverload Pre Alarm LEDWithdrawable, Plug in & Motorized options Ics = 100% Icu Applications:-
Ideal for panel builders, automation, engineering, and machinery OEMs. MCCBs offer overload protection from damage of excess current, overloads and short circuit, essential for motors, power generators, transformers, and other electrical equipment.
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