Thermostats In Intrinsic Safe Circuits Ex-I - Honeywell FEMA TAM Series Assembly And Operating Instructions Manual

5. Thermostats in intrinsic safe
circuits Ex-i
according to chapter 5.7 of EN 60079-
11, "Simple electrical apparatus".
Gold contacts SPDT.
Switching differential not adjustable.
Fig. 12.
MU2B-0375GE51 R0211A
Connection layout

5. Thermostats in intrinsic safe circuits Ex-i

The wiring diagram applies for max.
pressure monitoring.
At rising pressure contact 3-1 opens and
3-2 closes.
Installation only in combination with a
suitable EC-type tested switching
amplifier. Amplifier must be installed
outside the Ex-zone. The wiring diagram
of the switching amplifier and valid
installation guidelines for Ex-i circuits
must be observed.
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