
HAZ 12000-SB Open-Loop Hall Effect Current Transducer
HAZ 12000-SB Product Overview
The HAZ 12000-SB is an open-loop Hall effect current transducer from LEM's HAZ series, designed for the electronic measurement of DC, AC, and pulsed currents with galvanic isolation between the primary and secondary circuits. This panel-mount sensor is specifically engineered for ultra-high-current industrial and traction applications requiring reliable, non-intrusive current measurement.
Rated for 12000 A nominal, it outputs an instantaneous voltage signal. Accuracy is ±1% of the rated value. Supply voltage is ±15 V (±5%) with a maximum supply current of ±30 mA. Operating temperature range is -25°C to +85°C. The sensor features a large aperture for accommodating busbars. Mounting is panel mount with a module, single pass through package. The housing uses UL 94-V0 recognized materials. Product status is Active.
HAZ 12000-SB Key Specifications
Rated current: 12000 A
Output signal: Instantaneous voltage
Supply voltage: ±15 V (±5%)
Accuracy: ±1%
Maximum supply current: ±30 mA
Operating temperature: -25°C to +85°C
Mounting: Panel mount
Technology: Open-loop Hall effect
Housing: UL 94-V0
HAZ 12000-SB Key Advantages
The HAZ 12000-SB features an open-loop Hall effect design with a large aperture for non-invasive busbar measurement. The ±1% accuracy ensures reliable performance in demanding high-current applications. The insulating plastic case is recognized according to UL 94-V0 for flame-retardant protection. The sensor provides high immunity to external interference and excellent performance in harsh industrial environments. The panel-mount design with single pass through configuration simplifies installation in high-current systems.
HAZ 12000-SB Typical Applications
AC variable speed drives and servo motor drives
Static converters for DC motor drives
Uninterruptible Power Supplies (UPS)
Switched Mode Power Supplies (SMPS)
Power supplies for welding applications
Single or three phase inverters
Propulsion and braking choppers
Propulsion converters and auxiliary converters
Trackside traction systems and railway onboard applications
Smart grid and renewable energy systems
HAZ 12000-SB Why Choose the HAZ 12000-SB?
The HAZ 12000-SB combines a 12000 A rating, ±1% accuracy, and robust panel-mount design in a package engineered for ultra-high-current applications. Manufactured by LEM, a global leader in electrical measurement, it delivers reliable current sensing for demanding industrial, railway, and renewable energy systems. The open-loop Hall effect technology provides high immunity to external interference with non-intrusive measurement, making it a preferred choice for engineers designing high-current power conversion and traction systems. The product is active and available for new designs.
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