ABB TTR200 - Zone 1 (0)

Electrical connection
20 TTR200 OI/TTR200-EN
5.5.3 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
BC
ib
A00209
ia
J
A
Fig. 9
A Sensor
B Transmitter in housing with IP 20 level of
protection
C Power supply [EEx ib]
For instruments in zone 1, the input for the repeater must be at 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.