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HBG
In the realm of low-voltage power distribution and industrial automation, the HBG series represents a family of high-performance molded case circuit breakers (MCCBs) designed for reliable overcurrent and short-circuit protection. These devices are engineered to handle nominal currents ranging from 16A to 1600A, with breaking capacities up to 100...
In the realm of low-voltage power distribution and industrial automation, the HBG series represents a family of high-performance molded case circuit breakers (MCCBs) designed for reliable overcurrent and short-circuit protection. These devices are engineered to handle nominal currents ranging from 16A to 1600A, with breaking capacities up to 100kA at 415V AC, depending on the frame size. Available in 3-pole (3P) and 4-pole (4P) configurations, HBG breakers support fixed, plug-in, or draw-out mounting styles, making them versatile for various panel layouts. They operate at rated voltages up to 690V AC and 500V DC, with optional accessories like shunt trips, undervoltage releases, and auxiliary contacts for enhanced control and monitoring. The compact design and thermal-magnetic or electronic trip units ensure precise protection for cables, motors, and transformers in demanding environments.
HBG circuit breakers are primarily deployed in main distribution boards (MDBs), sub-distribution boards (SDBs), and motor control centers (MCCs) across industrial plants, commercial buildings, and infrastructure projects. They are ideal for protecting feeders, branch circuits, and large loads such as HVAC systems, pumps, and compressors. In renewable energy installations, like solar photovoltaic (PV) arrays and wind farms, HBG breakers provide reliable DC-side protection. Their robust construction also suits harsh environments with high ambient temperatures or vibration, such as mining, oil and gas, and marine applications. Additionally, they are used in data centers and hospitals where uptime and safety are critical.
Key subcategories within the HBG series include the HBG-100, HBG-250, HBG-630, and HBG-1600 frames, each tailored for specific current ranges. For example, the HBG-100 covers 16A to 100A, while the HBG-1600 handles up to 1600A. Article codes typically follow a pattern like HBG-100-3P-63A, where HBG indicates the series, 100 the frame size, 3P the pole count, and 63A the rated current. Other variants include HBG-250-4P-250A and HBG-630-3P-630A. These breakers are often paired with rotary handles, terminal shields, and interlocking mechanisms for safe operation. The series also includes fixed and withdrawable versions, with the latter enabling quick maintenance without de-energizing the busbar.
Partnering with Electric Automation Network ensures access to genuine HBG breakers at competitive prices, with up to 65% discount compared to list prices. Our multilingual portal provides real-time pricing and stock availability, while our team of specialized electrical engineers offers personalized technical support for selection, coordination, and compliance with IEC 60947-2 standards. We guarantee express worldwide shipping, typically within 24-48 hours, to minimize project downtime. Whether you need a single unit for a retrofit or bulk orders for a new installation, our documentation includes detailed datasheets, wiring diagrams, and certification files to streamline your procurement process.
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