KROHNE IFC 100 Converter EN - Manual (Page 32)

4
ELECTRICAL CONNECTIONS
32
IFC 100
www.krohne.com 07/2010 - 4000041004 - MA IFC 100 R04 en
4.7 Connecting the power
• The housings of the devices, which are designed to protect the electronic equipment from
dust and moisture, should be kept well closed at all times. Creepage distances and
clearances are dimensioned to VDE 0110 and IEC 664 for pollution severity 2. Supply circuits
are designed for overvoltage category III and the output circuits for overvoltage category II.
• Fuse protection (I
N
≤ 16 A) for the infeed power circuit, and also a disconnecting device
(switch, circuit breaker) to isolate the signal converter must be provided.
Version overview
DANGER!
The device must be grounded in accordance with regulations in order to protect personnel
against electric shocks.
Figure 4-11: Terminal compartment for power
1 Retaining band of the cover
2 Cable entry power supply remote version
3 Cable entry power supply compact version
Version Non-Ex Ex
100...230 VAC Standard Optional
12...24 VDC Standard -
24 VAC/DC - Standard
.book Page 32 Friday, July 9, 2010 12:29 PM