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Dimensions LF 305-S (in mm.)
Connection
Mechanical characteristics
Remarks
● General tolerance
● Transducer fastening
Vertical position
± 0.5 mm
2 holes ? 4.3 mm
● I S is positive when I P flows in the direction of the arrow.
● Temperature of the primary conductor should not exceed
100°C.
2 M4 steel screws
Recommended fastening torque 3.2 Nm
● Dynamic performances (di/dt and response time) are
best with a single bar completely filling the primary hole.
or
4 holes ? 1.9 mm,
depth: 7 mm
4 PTKA 25 screws
● This is a standard model. For different versions (supply
voltage, turns ratios, unidirectional measurements ...),
please contact us.
length: 6 mm
Recommended fastening torque 0.7 Nm
● Transducer fastening
Horizontal position
4 holes ? 4.3 mm
4 M4 steel screws
Recommended fastening torque 3.2 Nm
or
4 holes ? 1.9 mm
crossing
4 PTKA 25 screws,
length: 10 mm
Recommended fastening torque 0.75 Nm
● Primary through-hole
● Connection of secondary
? 20.1 mm
Molex 6410
110210/11
3 Tin plated pins
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
Page 3/3
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