Electrical connection
26 TTF350
OI/TTF350-EN
5.5.2.2 Zone 1 (0)
Transmitter design: II 2 (1) G EEx [ia] ib IIC T6
Zone 0 or Zone 1
Explosion-protection zone 1
Safety area
B
C
ib
A00127
ia
J
A
D
ia
Fig. 14
A Sensor
B TTF350 transmitter
C Power supply [EEx ib]
D HMI interface for LCD display
The input for the 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.