HTC

Compact current transducers for AC and DC currents from 1000A to 3000A nominal.

HTC - Traction current sensors

The HTC current sensor family is meticulously crafted for the accurate measurement of DC, AC, or pulsed currents, all while ensuring galvanic isolation between the primary and secondary circuits.

Members of the HTC family function effectively with a bipolar power supply ranging from +/- 15V. They deliver an instantaneous voltage output spanning of +/- 10V and boast a bandwidth extending up to DC 10 KHz.

These current sensors feature a 40 mm diameter aperture for current measurement and are based on open-loop Hall effect technology, making them exceptionally well-suited for a diverse range of traction applications within the railway sector.

HTC – Features and benefits

Features

Hall effect sensor using open loop
Insulating plastic case recognized according to UL 94-V0

Main characteristics

Easy installation
Compact
High immunity to external interference
Low power consumption

Typical applications

The HTC sensors are custom designed for railway applications, and they find effective use in a range of scenarios within this domain, including:

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

LEM HTC – Download & Technical Characteristic

Product	Document	Primary nominal RMS voltage	Supply Voltage range	Op. Temperature
HTC 1000-S/SP4	Datasheet 3D	1000 A	15 to 15	-40 to 85°C
HTC 2000-S/SP4	Datasheet 3D	2000 A	15 to 15	-40 to 85 °C
HTC 3000-S/SP4	Datasheet 3D	3000 A	15 to 15	-40 to 85 °C

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