Electrical connection
20 - EN
TTH300
CI/TTH300-EN
4.3.5 Zone
2
Transmitter design: II 3G EEx nA II T6
Explosion-protection zone 2
Safety area
B
C
A00148
J
A
D
Fig. 15
A Sensor
B Transmitters in housing with IP54 level of
protection
C
Power
supply
D HMI interface for LCD displays (activation
is possible as an option only when
ordering)
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.
Summary of Contents for TTH300 Series
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