ABB TTF300 Inbetriebnahmeanleitung Seite 46

Electrical connection
4.4.3 Zone 1 (0)
Transmitter design: II 2 (1) G EEx [ia] ib IIC T6
Zone 0 or Zone 1
Fig. 13
A Sensor
B TTF300 transmitter
The input for the repeater power supply must be at a minimum in EEx ib design.
The sensor must be used by the user in accordance with applicable ignition-protection
standards. It can be installed in zone 1 or zone 0. For zone 0, the circuit must be in "ia" design.
18 - EN
Explosion-protection zone 1
ia
J
A B
C Repeater power supply [EEx ib]
TTF300
Safety area
ib
C
A00121
CI/TTF300-X1