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E1.2
In the realm of low-voltage power distribution and motor control, the E1.2 series represents a category of high-performance air circuit breakers (ACBs) designed for primary and secondary distribution applications. These devices are engineered to handle nominal currents typically ranging from 630A to 1600A, with breaking capacities up to 66 kA at...
In the realm of low-voltage power distribution and motor control, the E1.2 series represents a category of high-performance air circuit breakers (ACBs) designed for primary and secondary distribution applications. These devices are engineered to handle nominal currents typically ranging from 630A to 1600A, with breaking capacities up to 66 kA at 415V AC, depending on the specific frame and configuration. The E1.2 breakers feature a compact, modular design with fixed or draw-out mounting options, supporting 3-pole (3P) and 4-pole (4P) configurations. They are equipped with advanced electronic trip units that offer adjustable protection curves for overload (L), short-time delay (S), instantaneous (I), and ground fault (G) protection, ensuring selective coordination in complex networks. The units also include communication capabilities via Modbus or Profibus protocols, enabling integration into modern industrial automation systems. The E1.2 is known for its robust construction, high electrical endurance, and compliance with international standards such as IEC 60947-2.
These air circuit breakers are predominantly installed in main distribution boards (MDBs), switchgear panels, and motor control centers (MCCs) across various industrial sectors. They are critical in power plants, manufacturing facilities, data centers, and commercial buildings where reliable overcurrent protection and system selectivity are paramount. The E1.2 series is also widely used in renewable energy installations, such as solar farms and wind turbines, to protect inverters and transformers. In oil and gas, mining, and chemical plants, these breakers ensure safe operation under harsh environmental conditions, often with enhanced IP ratings for dust and moisture resistance. Their ability to handle high fault currents and provide remote monitoring makes them ideal for critical infrastructure requiring uninterrupted power supply.
Within the E1.2 category, key subcategories include fixed and draw-out versions, each with specific frame sizes and trip unit options. The main article codes typically follow a pattern like 'E1.2N 1600' or 'E1.2B 1250', where the suffix indicates the breaking capacity (e.g., N for standard, B for high) and the number denotes the nominal current rating in amperes. For instance, 'E1.2N 1600 PR121/P-LSIG' specifies a 1600A breaker with a PR121 electronic trip unit offering L, S, I, and G protection. Other common variants include 'E1.2B 630 PR122/P-LSI' for lower current applications. These codes are standardized across manufacturers, allowing easy identification of key parameters like voltage rating (typically 690V AC) and frequency (50/60 Hz). Accessories such as motor operators, shunt trips, and auxiliary contacts are available to enhance functionality.
Partnering with Electric Automation Network ensures access to the E1.2 series at competitive prices with up to 65% discount compared to market rates. Our platform provides real-time pricing and stock availability, with express worldwide shipping to minimize downtime. Each product listing includes detailed technical documentation, including datasheets, wiring diagrams, and compliance certificates. Our team of specialized electrical engineers offers personalized support for selection, coordination studies, and troubleshooting, ensuring optimal integration into your system. Whether you need a single unit for a retrofit or bulk quantities for a new project, we deliver reliability and expertise.
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