Siemens SIMATIC ET 200eco PN - Specification of dielectric tests, protection class, degree of protection, and rated voltage of ET 200 eco PN

General technical data
8.4 Specification of dielectric tests, protection class, degree of protection, and rated voltage of ET 200eco PN
ET 200eco PN
Operating Instructions, 08/2016, A5E01250250-AJ
107
8.4
Specification of dielectric tests, protection class, degree of
protection, and rated voltage of ET 200eco PN
Test voltage
The insulation stability is tested with the following test voltage according to IEC 61131-2
during type testing:
Circuits with Rated voltage V
in
against other cir-
cuits or ground
Test voltage
< 50 V
DC 500 V
< 150 V 2500 V DC
< 250 V
4000 V DC
Degree of pollution/overvoltage category according to IEC 61131
● Pollution degree 1
● Pollution degree 2 for terminal block and the voltage distributor.
● Overvoltage category
– at U
rated
= DC 24 V: II
Degree of protection IP 65
Degree of protection according to IEC 60529:
● Protection against the ingress of dust and full touch protection
● Water projected by a nozzle against the enclosure from any direction shall have no
harmful effect.
Degree of protection IP66 and IP67
Degree of protection according to IEC 60529:
● Protection against the ingress of dust and full touch protection
● IP66: Protection against water from heavy seas or water projected in powerful jets (water
must not enter the enclosure in harmful quantities)
● IP67: Protection against water when enclosure is immersed at specified pressures over a
specified time period (water must not enter the enclosure in harmful quantities)
Rated voltage for operation
The ET 200eco PN distributed I/O device operates with the following rated voltage and
corresponding tolerances.
Rated voltage
Tolerance range
DC 24 V 20.4 to 28.8 V DC