EN
16
Electromagnetic compatibility:
– immunity against electromagnetic interference: acc. to EN 61000-6-2
– emission of electromagnetic interference: acc. to EN 61000-6-4
Safety requirements acc. to PN-EN 61010-1:
– isolation between circuits: basic
– installation category: III (for 400 V execution - category II)
– pollution degree: 2
– maximal phase-to-earth working voltage:
– for supply circuit: 300 V
– for measuring input:
for
N20Z
: 600 V - cat. II (300 V -cat. III)
for N20ZPLUS
: 480 V
– for input destined for programming
(for N20Z)
: 50 V
– for RS485 interface
(for N20ZPLUS)
: 50 V
– altitude above sea level < 2000 m
