Zone 2 - ABB TTH300 Instrucciones Para La Puesta En Funcionamiento

Electrical connection
4.3.5

Zone 2

Transmitter design: II 3G EEx nA II T6
Fig. 15
A Sensor
B Transmitters in housing with IP54 level of
protection
For instruments in zone 2, the transmitter must be installed in its own housing with IP54 level of
protection.
Ensure that in case of a disturbance the supply voltage cannot exceed 40% of the normal
voltage.
20 - EN
Explosion-protection zone 2
J
A
D
B
C Power supply
D HMI interface for LCD displays (activation
is possible as an option only when
ordering)
TTH300
Safety area
C
A00148
CI/TTH300-X1