Intelligent Measurement Switch

HXM3E-250

Intelligent terminal integrating communication, metering, protection, control, and edge computing

Product Description

The intelligent measurement switch is suitable for AC 50Hz/60Hz distribution protection with rated operating current from 100A to 250A, rated insulation voltage of 1000V, and rated operating voltage of AC380V/400V/415V. The circuit breaker features long-time delay, short-time delay, instantaneous, over/under voltage, phase loss, and temperature protection functions, protecting lines and power equipment. It can provide terminal devices with information such as current, voltage, power, energy, and lifespan with meter-level accuracy, used for detection and monitoring of the load side, reducing grid operation and maintenance costs, and providing necessary data for future energy efficiency systems. This product supports DL/T645 and DL/T698.45 protocols.

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Product Advantages

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High-Precision Measurement and Edge Computing

● Adopts 0.5s high-precision metering module, voltage and current detection accuracy up to 0.5%, supports high-frequency data collection every minute. Built-in edge computing unit enables real-time local processing such as line loss analysis and fault location.

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Multi-Protocol Communication and Topology Identification

● Integrates multiple communication methods including HPLC broadband carrier, Bluetooth, and RS485, supporting power protocols such as DL/T698.45. Uses characteristic current technology for automatic topology identification in substation areas, improving fault location efficiency by 60%.

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Safety Protection and Modular Design

● Features safety mechanisms such as over/under voltage protection and three-stage short-circuit protection, with IP30 protection rating. Adopts hot-swappable modular design, supporting quick replacement of circuit breaker status, metering, and other modules.

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Intelligent Operation and Energy-Saving Management

● Supports active reporting of power outage events and intelligent diagnosis of electricity theft, combined with energy consumption monitoring for segmented and precise management. In distribution transformer applications, it can reduce line losses.