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MCCB (NMI & NXM Series)
Technical Specifications (General)
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Rated Voltage: AC 415V / 690V
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Frequency: 50/60Hz
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Rated Insulation Voltage: Up to 800V
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Pole Options: 2P / 3P / 4P
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Trip Unit: Thermal-Magnetic / Electronic
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Frame Sizes: 100A / 250A / 400A / 630A / 800A / 1250A (depending on series)
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Operating Temperature: –5°C to +55°C
Applications
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Industrial electrical panels
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Commercial buildings
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Motor control centers
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Power distribution units
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Renewable energy systems
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Generator protection
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HVAC & machinery protection
Description
The NMI & NXM Series MCCBs (Moulded Case Circuit Breakers) are advanced protection devices designed for reliable overload, short-circuit, and under-voltage protection in commercial, industrial, and residential electrical systems. These breakers ensure high performance, safety, and durability under demanding conditions.
Key Features
✔ Wide Current Range
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Available from 16A to 1600A (varies by model).
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Suitable for small loads to heavy industrial power distribution.
✔ High Breaking Capacity
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Offers strong breaking capacity up to 50kA/70kA, ensuring system reliability during faults.
✔ Adjustable Settings
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Thermal and magnetic trip settings for adaptable protection based on electrical requirements.
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Fine-tuning allows optimized protection and improved system life.
✔ Compact & Durable Design
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Space-saving moulded case construction.
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Built to withstand mechanical shocks, vibrations, and harsh environments.
✔ Multiple Protection Functions
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Overload protection
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Short-circuit protection
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Earth fault protection (optional)
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Under-voltage release
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Shunt trip options
✔ Easy Installation & Maintenance
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Front-face operation
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Simple mounting design
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Clear indication windows for ON/OFF/TRIP status
- https://www.mathaelectronics.com/
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