Electrical installation
18
iMAT 32VBI-ELV
Terminal assignment of the potential-free contact and of the external test
X 1
X 2
X 3
Fault indication/potential-free contact:
• X 2.1 n.o.
• X 2.2 com.
• X 2.3 n.c.
n.c. - com. closed in the event of malfunction or power failure
n.o. - com. closed during normal operation
(closed current principle)
The contacts X2.1 - 2.3 are potential-free.
External test / remote control:
• X 3.1 external test (IN1)
• X 3.2 GND
Contacts connected = test active = discharge
Contacts open = test inactive
The contacts X 3.1 -3.2 are not potential-free.
L/
+
N
/-
N
O
C
O
N
C
IN
1
G
N
D
po
w
er
po
w
er
no
rm
a
lly
o
pe
n
co
m
m
o
n
no
rm
a
lly
cl
os
ed
ex
te
rn
al
te
st
(I
N
1)
G
N
D
1.
1
1.
2
2.
1
2.
2
2.
3
3.
1
3.
2
Note:
At a low-voltage supply (< 50 VAC / < 75 VDC), only use a protective extra-low-voltage.
Tighten the threaded cable connection with a slightly sealing effect.
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Electric diagram
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Summary of Contents for iMAT 32VBI-ELV
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