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Molded Case Circuit Breakers ≤ 250 A Xtmax
Molded case circuit breakers (MCCBs) rated up to 250 A, such as the ABB Xtmax series, are compact yet robust devices designed for reliable overcurrent protection in low-voltage electrical systems. These units typically feature 3-pole or 4-pole configurations, with breaking capacities ranging from 25 kA to 70 kA at 415 V AC, depending on the spec...
Molded case circuit breakers (MCCBs) rated up to 250 A, such as the ABB Xtmax series, are compact yet robust devices designed for reliable overcurrent protection in low-voltage electrical systems. These units typically feature 3-pole or 4-pole configurations, with breaking capacities ranging from 25 kA to 70 kA at 415 V AC, depending on the specific model. They incorporate thermal-magnetic or electronic trip units for precise current sensing and adjustable protection curves. Common accessories include front connection kits (F, FB, FC Cu), phase barriers (PB), and DIN rail mounting plates, enabling flexible integration into switchboards and control panels. The Xtmax series offers fixed or plug-in versions, with rated operational voltages up to 690 V AC and 500 V DC, making them suitable for a wide range of industrial and commercial applications.
These MCCBs are primarily deployed in main distribution boards, sub-distribution panels, and motor control centers for protecting cables, transformers, and electrical loads against short circuits and overloads. They are ideal for sectors such as manufacturing, energy, infrastructure, and commercial buildings, where reliable circuit isolation and selective coordination are critical. Their compact footprint allows for high-density installations in space-constrained environments, while the availability of various accessories supports customization for specific protection schemes, including phase segregation and extended terminal connections.
The ABB Xtmax series complies with international standards such as IEC 60947-2 and UL 489, ensuring global acceptance and safety. These breakers are fully compatible with ABB's own switchgear and distribution systems, including the SACE and Emax families, allowing seamless integration into existing installations. The modular design of accessories like front connection kits and phase barriers ensures straightforward retrofitting and maintenance without requiring complete panel reconfiguration.
At Electric Automation Network, we offer the full range of ABB Xtmax MCCBs and accessories with real-time pricing and express worldwide shipping. Our team of specialized electrical engineers provides personalized technical support to help you select the right configuration, from breaking capacity to accessory kits. We also supply detailed technical documentation for each article, ensuring you have all the data needed for installation and compliance. Trust us for fast, reliable delivery and expert guidance on your circuit protection needs.
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