Datasheet

071003/10
page 2/3
www.lem.com
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
Current Transducer LF 505-S
Isolation characteristics
V
d
Rms voltage for AC isolation test, 50 Hz, 1 min 3.8 kV
V
w
Impulse withstand voltage 1.2/50 µs 12.5 kV
Mini
dCp Creepage distance 15.2 mm
dCl Clearance distance 14.5 mm
CTI Comparative Tracking Index (Group IIIa) 175
Application examples
According to EN 50178 and CEI 61010-1 standards and following conditions:
• Over voltage category OV 3
• Pollution degree PD2
• Non-uniform field
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.
EN 50178 CEI 61010-1
dCp, dCI, Rated isolation voltage Nominal voltage
Single isolation 1250 V 1250 V rms
Reinforced isolation 690 V 690 V rms
V
W