HAH1DR800S / HAH1DR800S Current Sensor Transformer — 800A Key benefits Provides reliable current sensing up to 800A for measurement, monitoring and protection tasks. Isolates the measurement circuit from current conductors so meters and control equipment remain safe. Simple, focused device that integrates with standard power monitoring and protection systems to deliver clear current data. What this product does Converts primary current (up to 800A) into a proportional secondary signal suitable for energy meters, data acquisition devices and protection relays. Enables accurate load tracking, fault detection and system diagnostics without exposing sensitive electronics to line currents. Main features and attributes Model: HAH1DR800S / HAH1DR800S. Rated primary current: 800A. Functionality: Current sensing/measurement transformer for use with compatible metering and protection equipment. Compatibility: Intended for integration with power meters, data loggers, PLCs, protective relays and other devices that accept CT inputs. Performance: Designed to provide stable proportional output across the rated range to support monitoring and protection applications. Build: Engineered for electrical measurement applications; constructed to meet the demands of typical industrial and commercial environments. Use cases / applications Panellevel energy monitoring: Measure branch or feeder currents to track energy consumption, manage load, and allocate costs. Motor and equipment protection: Supply current information to protection relays or motor controllers for overload detection and fault response. Building or industrial power management: Integrate with building management systems and submeters to monitor power distribution and optimize system performance. Why customers choose the HAH1DR800S / HAH1DR800S Clear 800A rating for applications that require current measurement. Straightforward integration into standard metering and protection setups. Focused, purposebuilt solution for reliable current sensing where isolation and proportional measurement are required. Ordering information Specify model HAH1DR800S or HAH1DR800S when ordering to ensure the 800Arated current sensor transformer is provided. If you need compatibility verification with a specific meter or relay model, consult the device manufacturer's CT input requirements to confirm matching secondary requirements before installation.