AMTROBOX ATEX for zone 22 (Dust)
8
Option : Intermediate detection position by third microswitch on printed circuit card
Box ref. X1140
One third switch, identical to the two other ones, can be added to detect any point of the valve travel (adjustable on 90
°
).
Closed
SWC
Black
Open
SWO
Blue
12
3
4
5
6
C
NC
NO
C
NC
NO
Internal wiring diagram
: Connection by packing--gland
Box X1149
Box X1140
Connection diagram by Binder connector
Position detection by microswitches fitted on metallic sheet
AMTROBOX XA1140 and XA1149
Various types of microswitches or inductive proximity detectors can be fitted on a metallic sheet in the AMTROBOX for extreme
positions indication (opening and closing).
Connection is done via:
-- two packing--gland plasti or metallic,
-- one debrochable connector (mounting on ACTAIR and DYNACTAIR)
.
In this version, the box can be equipped:
-- either with one position detector on closing,
-- or with one position detector on opening,
-- or with one detector on closing and one detector on opening.