LA 55-P LEM, LA 55-P Datasheet - Page 2

• Manufacturer Part Number: LA 55-P
• Description: CURRENT SENSOR
• Manufacturer: LEM

Specifications of LA 55-P

• Current Measuring Range Ac: ± 70A
• Current Measuring Range Dc: ± 70A
• Sensor Output: Closed Loop
• Accuracy: ± 0.65%
• Response Time: 1µs
• Rohs Compliant: Yes
• Accuracy %: 0.65%

Current Transducer LA 55-P
V
V
dCp
dCI
CTI
Applications examples
According to EN 50178 and IEC 61010-1 standards and following conditions:
●
●
●
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 build-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.
090519/14
w
d
Over voltage category OV 3
Pollution degree PD2
Non-uniform field
Isolation characteristics
dCp, dCI,
Single isolation
Reinforced isolation
Rms voltage for AC isolation test, 50 Hz, 1 min
Impulse withstand voltage 1.2/50 µs
Creepage distance
Clearance distance
Comparative Tracking Index (group IIIa)
V
w
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
Rated isolation voltage
EN 50178
500 V
250 V
Nominal voltage
2.5
5.7
Min
5
5
175
IEC 61010-1
500 V
250 V
mm
mm
kV
kV
www.lem.com
Page 2/3