LT 4000 Family

For DC, AC, pulse currents' measurements of 4000 ARMS nominal with galvanic isolation

LT 4000 - Current Sensors

The LT 4000 family comprises current sensors specifically designed for industrial applications.

These sensors are notable for their excellent accuracy and swift response times, functioning efficiently with a dual power supply of +/- 24V.

To ensure their correct usage, it is essential to securely mount these components onto a panel. They are designed with a primary conductor crossing featuring a 102 mm diameter aperture.

LT 4000 current sensors utilize closed-loop Hall effect technology.

LT 4000 – Features and benefits

Main characteristics

Closed loop (compensated) current sensor using the hall effect
Isolated 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

LT 4000 current sensors are widely employed within the industrial sector.

These applications include:

AC variable speed drives and servo motor drives
Static converters for DC motor drives
Battery supplied applications
Uninterruptible Power Supplies (UPS)
Switched Mode Power Supplies (SMPS)
Power supplies for welding applications

LEM LT 4000 – Download & Technical Characteristic

Product	Document	Primary nominal RMS voltage	Supply Voltage range	Op. Temperature
LT 4000-S/SP24	Datasheet 3D	3300 A	24 to 24	-25 to 70 °C
LT 4000-S	Datasheet 3D	4000 A	24 to 24	-25 to 70 °C
LT 4000-S/SP34	Datasheet	4000 A	24 to 24	-40 to 70 °C
LT 4000-S/SP35	Datasheet 3D	4000 A	24 to 24	-40 to 70 °C
LT 4000-T	Datasheet 3D	4000 A	24 to 24	-25 to 70 °C

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