LT 4000
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 | 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 |
LT 4000 sensors – ASK FOR SAMPLES / QUOTATIONS
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