AKR-C420L_16 Datasheet, PDF (2/3 Pages) LEM – AC Current Transducer

AC current Transducer AKR-C420L
Insulation coordination
U_d Rms voltage for AC insulation test ¹⁾, 50 Hz, 1 min 3
U_B Rated insulation rms voltage ²⁾,
reinforced or basic insulation, CAT III, PD2
150
kV AC
V AC
Notes: ¹⁾ Between primary (completely filling the primary aperture) and secondary
²⁾ If insulated cable is used for the primary circuit, the voltage category
could be improved according to the insulation coordination given by the
cable manufacturer. For example:
Cable insulation (primary):
Category:
HAR 05
600 V CAT III
HAR 07
1000 V CAT III
Safety and warning notes
In order to guarantee safe operation of the transducer and to be able to make proper
use of all features and functions, please read these instructions thoroughly! Safe
operation can only be guaranteed if the transducer is used for the purpose it has
been designed for and within the limits of the technical specifications. Ensure you get
up-to-date technical information that can be found in the latest associated datasheet
under www.lem.com.
Caution! Risk of danger
Ignoring the warnings can lead to serious injury and/or cause damage!
The electric measuring transducer may only be installed and put into
operation by qualified personnel that have received an appropriate
training.The corresponding national regulations shall be observed during
installation and operation of the transducer and any electrical conductor.
The transducer shall be used in electric/electronic equipment with respect
to applicable standards and safety requirements and in accordance
with all the related systems and components manufacturer’s operating
instructions.
Caution, Risk of electrical shock
When operating the transducer, certain parts of the module may carry
hazardous live voltage (eg. primary conductor, power supply). The user
shall ensure to take all measures necessary to protect against electical
shock.The transducer is a build-in device containing conducting parts
that shall not be accessible after installation. A protective enclosure or
additional insulation barrier may be necessary. The transducer shall not
be put into operation if the jaw opening is open (split core version) or the
installation is not completed.Installation and maintenance shall be done
with the main power supply disconnected except if there are no hazardous
live parts in or in close proximity to the system and if the applicable national
regulations are fully observed.
Safe and trouble-free operation of this transducer can only be guaranteed if transport,
storage and installation are carried out correctly and operation and maintenance are
carried out with care.
14March2016/version 8
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice
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