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Molded Case Circuit Breakers ≤ 250 A Xtmax
Molded Case Circuit Breakers (MCCBs) rated up to 250 A, such as the Xtmax series, are essential components for protecting electrical circuits against overloads and short circuits in low-voltage industrial and commercial installations. These devices are designed with a compact molded case housing that provides high breaking capacity and thermal-m...
Molded Case Circuit Breakers (MCCBs) rated up to 250 A, such as the Xtmax series, are essential components for protecting electrical circuits against overloads and short circuits in low-voltage industrial and commercial installations. These devices are designed with a compact molded case housing that provides high breaking capacity and thermal-magnetic or electronic trip units. Key technical parameters include rated current (In) from 16 A to 250 A, number of poles (3P or 4P), rated operational voltage (Ue) up to 690 V AC, and breaking capacity (Icu) up to 50 kA at 415 V AC. They are available in fixed or plug-in versions, with options for rotary handles, motor operators, and auxiliary contacts. The Xtmax series offers advanced features like adjustable thermal and magnetic settings, making them suitable for selective coordination in distribution panels.
These MCCBs are primarily installed in main and sub-distribution boards, motor control centers (MCCs), and industrial automation panels. They are widely used in sectors such as manufacturing, energy, infrastructure, and commercial buildings. Typical applications include protection of feeders, motors, transformers, and capacitor banks. Their robust design ensures reliable performance in harsh environments, with IP20 or higher protection degrees depending on accessories. They are also employed in renewable energy systems, such as solar photovoltaic plants, for DC and AC side protection.
The main subcategories within this range include fixed MCCBs, plug-in MCCBs, and withdrawable versions. Key article codes for the Xtmax series typically follow a pattern like XT1, XT2, XT3, and XT4, each corresponding to different frame sizes and breaking capacities. For example, XT1 covers ratings up to 160 A, while XT2 goes up to 250 A. Specific codes include XT1B160 TMD (thermal-magnetic trip unit) and XT2N250 Ekip (electronic trip unit). Accessories like shunt trips, undervoltage releases, and auxiliary contacts are also available to enhance functionality.
Partnering with Electric Automation Network ensures access to genuine MCCBs with real-time pricing and global express shipping. Our team of specialized engineers provides personalized technical support, including selection assistance, coordination studies, and documentation. We offer detailed technical datasheets for each article, ensuring compliance with international standards like IEC 60947-2. Whether you need a single unit or bulk orders, we guarantee fast delivery worldwide, minimizing downtime for your projects.
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