HAR Family

Compact current transducers for AC and DC currents 1000A

HAR - Traction current sensors

The HAR family can be used for the electronic measurement of DC, AC and pulsed currents with galvanic separation between the primary circuit and the secondary circuit.

HAR sensors come up with an instantaneous voltage output of +/- 5 V, a bipolar power supply of +/- 15 V and a bandwidth of DC 10 kHz.

This product family is relying on the open loop hall effect technology. Traction applications are the key target of the HAR current sensors.

HAR – Features and benefits

Main characteristics

Open Loop transducer using the Hall effect
Galvanic separation between primary and secondary circuit
Insulation voltage 7000 V
Extended measuring range
Insulating plastic case recognized according to UL 94-V0

Benefits

Excellent accuracy
Very good linearity
Low temperature drift
Optimized response time
Wide frequency bandwidth
No insertion losses
High immunity to external interference
Current overload capability

Typical applications

HAR current sensors are manufactured for the railway industry. They can be used either on fixed installations or onboard trains, trams, metros…

Applications for HAR include:

Single or three phase inverters
Propulsion and braking choppers
Propulsion converters
Auxiliary converters
Battery chargers

HAR – Features and benefits

Product	Document	Primary nominal RMS voltage	Supply Voltage range	Op. Temperature
HAR 1000-S	Datasheet 3D	1000 A	15 to 15	-40 to 70 °C

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