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Moulded Case Circuit Breakers (MCCBs) from the SENTRON 3VA series are high-performance protective devices designed for industrial and commercial power distribution systems. These circuit breakers are available in various frame sizes, typically covering current ratings from 160 A up to 1600 A, with breaking capacities ranging from 25 kA to 150 kA...
Moulded Case Circuit Breakers (MCCBs) from the SENTRON 3VA series are high-performance protective devices designed for industrial and commercial power distribution systems. These circuit breakers are available in various frame sizes, typically covering current ratings from 160 A up to 1600 A, with breaking capacities ranging from 25 kA to 150 kA at 415 V AC. They feature adjustable thermal-magnetic or electronic trip units (ETUs) for precise overload and short-circuit protection. Key technical parameters include number of poles (3P or 4P), rated operational voltage (up to 690 V AC), and rated insulation voltage (up to 1000 V). The 3VA series offers modular accessories such as auxiliary contacts, shunt trips, undervoltage releases, and motor operators, enabling seamless integration into automation systems. Their compact design and high breaking capacity make them suitable for main switchboard and sub-distribution applications.
These MCCBs are primarily deployed in industrial switchboards, power distribution panels, and motor control centers (MCCs). They are critical in sectors like manufacturing, energy, infrastructure, and commercial buildings where reliable overcurrent protection is mandatory. Typical installations include main incoming feeders, busbar protection, and branch circuit protection in low-voltage networks. The 3VA series is also used in renewable energy systems, such as solar photovoltaic plants and wind farms, for inverter and transformer protection. Their ability to handle high fault currents ensures system stability and personnel safety in harsh environments.
The main subcategories within the SENTRON 3VA MCCB range include the 3VA1 (fixed version), 3VA2 (plug-in version), and 3VA6 (withdrawable version). Key article codes follow the pattern 3VA1xxx, 3VA2xxx, and 3VA6xxx, where xxx denotes the frame size and trip unit configuration. For example, the 3VA1110-4ED32-0AA0 is a 3-pole, 100 A fixed MCCB with an electronic trip unit. Other common codes include 3VA2110-4ED32-0AA0 (plug-in) and 3VA6110-4ED32-0AA0 (withdrawable). These devices are available with various trip characteristics (LI, LSI, LSIG) and communication modules for integration into energy management systems.
At Electric Automation Network, we offer the full SENTRON 3VA MCCB portfolio with real-time pricing and global express shipping. Our team of specialized electrical engineers provides personalized technical support, including trip unit selection, coordination studies, and accessory configuration. Each product listing includes detailed technical documentation, datasheets, and CAD drawings. We ensure fast delivery to any location worldwide, minimizing downtime for your projects. Contact our engineers for expert advice on selecting the right MCCB for your application.
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