4
ELECTRICAL CONNECTIONS
48
IFC 300
www.krohne.com
06/2009 - 4000069802 - MA IFC 300 R03 en
4.7 Connecting power, all housing variants
•
The protection category depends on the housing versions (IP65...67 to IEC 529 / EN 60529 or
NEMA4/4X/6).
•
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.
DANGER!
The device must be grounded in accordance with regulations in order to protect personnel
against electric shocks.
DANGER!
For devices used in hazardous areas, additional safety notes apply; please refer to the Ex
documentation.
Power supply connection (excluding 19" rack-mounted housing)
1
100...230 VAC (-15% / +10%)
2
24 VDC (-55% / +30%)
3
24 VAC/DC (AC: -15% / +10%; DC: -25% / +30%)
.book Page 48 Wednesday, June 10, 2009 4:20 PM
