LEM
United States

LEM USA Inc.

11665 West Bradley Road
Milwaukee, WI, 53224
United States

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LF310-S

Closed Loop ASIC based Hall effect. DC, AC pulse currents' measurements of 300 ARMS nominal with galvanic isolation. Compact design. To be panel mounted in various ways. Aperture 20 mm diameter for the primary conductor crossing. Excellent high accuracy at the level of Fluxgate technology but at the price of Hall effect. Overall accuracy over temperature range of 0.2 % of Ipn, Exceptional offset drift of 0.1 % of Ipn. Fast response time less than 0.5 µs, Current output, -40°C to + 85°C. Dual supply +/- 12 to +/- 20V.

Model details

LF 310-S/SPA5

High mounting versatility, 300 ARMS nominal, High accuracy over operating temperature range, Phoenix/Entrelec three-pole connector with 3.81 mm pitch

Series
LF310-S
Measurement
Current
Nominal Value
300 A
Measuring Range
500 A
Second. Nominal Signal
Current
Second. Nominal Signal Value
Instantaneous 150 mA
Primary Signal
AC + DC
Supply Voltage
External DC Bipolar
Supply Voltage Range
12 - 20 V
Accuracy
0.2 %
Op. Temperature
-40 °C / 85 °C
Technology
Closed loop Hall effect
Mounting
Panel
Applications
Drives
Power Supplies
Renewable Energies
Welding
PICTURE
FRONT
BACK
LEFT
RIGHT
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Series

Product of the same series

LF 310-S

High mounting versatility, 300 ARMS nominal, High accuracy over operating temperature range

LF 310-S/SP10

High mounting versatility, 300 ARMS nominal. High accuracy over operating temperature range, Output on MOLEX Minifit Jr 5566

LF 310-S/SP16

High mounting versatility, 300 ARMS nominal. High accuracy over operating temperature range, Output on connector JST, +/- 24 V power supply.

LF 310-S/SP20

High mounting versatility, 300 ARMS nominal. High accuracy over operating temperature range, Output on MOLEX Minifit Jr 5566, For traction.

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