Siemens MCCBs (Molded Case Circuit Breakers) are premium low-voltage protection devices engineered to deliver safe, reliable, and efficient power distribution. Designed for industrial, commercial, and residential systems, Siemens MCCBs protect electrical circuits from overloads, short circuits, and ground faults while ensuring operational continuity. With a wide current range, high breaking capacity, and advanced trip technologies, they offer flexibility, durability, and compliance with international safety standards. Siemens MCCBs combine robust construction with intelligent features, making them ideal for modern power systems that demand efficiency, scalability, and maximum safety.
Description
Siemens MCCBs (Molded Case Circuit Breakers) are advanced electrical protection devices designed to safeguard low-voltage power distribution systems from overloads, short circuits, and ground faults. Built with precision engineering, Siemens MCCBs ensure reliable performance, high breaking capacity, and enhanced safety for industrial, commercial, and residential applications.
Specifications
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Brand: Siemens
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Product Type: Molded Case Circuit Breaker (MCCB)
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Rated Current (In): 16A to 1600A (model dependent)
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Rated Voltage (Ue): Up to 690V AC
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Breaking Capacity: Up to 150 kA @ 415V AC
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Number of Poles: 2P / 3P / 4P
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Trip Unit: Thermal-magnetic / Electronic
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Frequency: 50/60 Hz
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Standards Compliance: IEC 60947-2 / UL 489
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Mounting Type: Fixed / Plug-in / Drawout
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Protection Functions: Overload, short-circuit, ground fault
Features
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High breaking capacity for reliable fault protection
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Compact design for space-saving installations
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Adjustable trip settings for flexible protection
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Wide current range for diverse applications
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Advanced arc extinguishing system for enhanced safety
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Long electrical and mechanical life
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Compatible with Siemens accessories and communication modules
Applications
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Industrial power distribution systems
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Commercial buildings and complexes
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Manufacturing plants and factories
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Data centers and critical infrastructure
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Motor protection in process industries
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Renewable energy systems and power plants
Advantages
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Reliable protection against overloads and short circuits
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Wide selection to suit different load and system requirements
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Easy installation and maintenance
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High durability and long service life
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Global compliance with IEC and UL standards
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Scalable with intelligent monitoring and communication options
Disadvantages
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Higher cost compared to standard MCBs
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Requires periodic maintenance and testing
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Larger size compared to miniature circuit breakers
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May need skilled personnel for installation and adjustments
