LA55-P_07 datasheet(2/2 Pages) LEM

2 / 2 page

070103/11

page 2/2

www .lem.com

LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.

Remarks

• I

S is positive when IP flows in the direction of the arrow.

• Temperature of the primary conductor should not exceed

90°C.

• Dynamic performances (di/dt and response time) are best

with a single bar completely filling the primary hole.

• In order to achieve the best magnetic coupling, the primary

windings have to be wound over the top edge of the device.

• This is a standard model. For different versions (supply

voltages, turns ratios, unidirectional measurements...),

please contact us.

Mechanical characteristics

• General tolerance

± 0.2 mm

• Primary through-hole

12.7 x 7 mm

• Fastening & connection of secondary

3 pins

0.63 x 0.56mm

Recommended PCB hole

0.9 mm

Dimensions LA 55-P (in mm. 1 mm = 0.0394 inch)

Bottom view

Front view

Left view

Connection

Model + N° SP

Safety

This transducer must be used in electric/electronic

equipment with respect to applicable standards and

safety requirements in accordance with the

manufacturer's operating instructions.

Caution, risk of electrical shock

When operating the transducer, certain parts of the module

can carry hazardous voltage (eg. primary busbar, power

supply).

Ignoring this warning can lead to injury and/or cause

serious damage.

This transducer is a built-in device, whose conducting

parts must be inaccessible after installation.

A protective housing or additional shield could be used.

Main supply must be able to be disconnected.

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