4 Short-circuit / motor protection
4.1 Short-circuit protection
EMS2… Electronic motor starter
10/19 MN034003EN
www.eaton.com
25
4 Short-circuit / motor protection
4.1 Short-circuit protection
The protective elements on the network side of the EMS2 electronic motor
starter are permissible as short-circuit protection according to table 8 below.
Local standards regarding the cable protection must also be taken into con-
sideration.
4.1.1 Use in IEC environment
EMS2 electronic motor starters can be used in IEC environments according
to the following table.
Table 8: Fuse protection in IEC environment
Device type
Maximum short-
circuit current I
q
at the mounting
location
Max. permissible
supply voltage
Type of coordi-
nation
16A gG
50 kA
500 V
1
30A CCMR30
50 kA
500 V
1
FAZ-B16/3
2.5 kA
400 V
1
PKM0-4
50 kA
415 V
1
PKM0-6.3
15 kA
415 V
1
Fuse 16 A FF / gR (10 x 38 mm)
10 kA
500 V
2
Fuse 20 A FF / gR (10 x 38 mm)
5 kA
400 V
2
Fuse 30 A CC (10 x 38 mm)
30 kA
480 V
1