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RQ
In the realm of industrial electrical distribution and motor control, the RQ series represents a family of high-performance molded case circuit breakers (MCCBs) designed for reliable overcurrent protection. These devices are engineered to handle nominal currents ranging from 16A to 1600A, with breaking capacities up to 100kA at 415V AC, dependin...
In the realm of industrial electrical distribution and motor control, the RQ series represents a family of high-performance molded case circuit breakers (MCCBs) designed for reliable overcurrent 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 specific model. Available in 3-pole (3P) and 4-pole (4P) configurations, they support fixed, plug-in, or draw-out mounting styles. Key technical features include adjustable thermal-magnetic or electronic trip units, ensuring precise coordination with downstream equipment. The RQ series complies with IEC 60947-2 standards, offering rated insulation voltages up to 1000V and operational voltages up to 690V AC. Accessories such as shunt trips, undervoltage releases, and auxiliary contacts enhance functionality for remote control and status indication.
RQ circuit breakers are primarily deployed in low-voltage switchboards, power distribution panels, and motor control centers (MCCs) across industrial facilities, commercial buildings, and infrastructure projects. They are ideal for protecting feeders, motors, transformers, and capacitor banks against short circuits and overloads. Common sectors include manufacturing plants, data centers, water treatment facilities, and renewable energy installations like solar farms and wind turbines. Their robust design ensures reliable operation in harsh environments, with optional IP54 enclosures for dusty or humid conditions.
The RQ series encompasses several subcategories based on frame size and breaking capacity. Key article codes include RQ-160 (160A frame), RQ-250 (250A frame), RQ-630 (630A frame), and RQ-1600 (1600A frame). Each code typically follows a pattern: RQ-[Frame Size][Number of Poles][Trip Unit Type], e.g., RQ-2503T for a 250A, 3-pole with thermal-magnetic trip. Electronic trip versions are denoted by "E" (e.g., RQ-6304E). These breakers are available with fixed or rotary handles, and optional motor operators for remote switching.
Partnering with Electric Automation Network ensures access to genuine RQ series breakers at competitive prices, with up to 65% discount compared to list prices. Our engineers provide personalized technical support for selection, coordination studies, and installation guidance. We offer express worldwide shipping, real-time pricing on our multilingual portal, and comprehensive documentation including datasheets, wiring diagrams, and compliance certificates. Whether you need a single unit for a retrofit or bulk quantities for a new project, we streamline procurement with fast delivery and expert advice.
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