l
1
x cable entry
½
NPT
,
1
x blind stopper
½
NPT
,
1
x cable entry
½
NPT
or
:
l
1
x plug
M
12
x
1
;
1
x blind stopper
M
20
x
1
.
5
S
pring
-
loaded terminals
for wire cross
-
section up to
1
.
5
mm
²
(
AWG
16
)
A
djustment elements
M
ode switch
-
M
in
.
M
in
.
detection or dry run protection
-
M
ax
.
M
ax
.
detection or over
fl
ow protection
P
ower supply
O
perating voltage
20
…
253
V AC
,
50
/
60
H
z
,
20
…
72
V DC
(
at
U
>
60
V DC
,
the ambient temperature can be max
.
50
°
C
/
122
°
F
)
P
ower consumption
1
…
8
VA
(
AC
),
approximately
1
.
5
W
(
DC
)
E
lectrical protective measures
P
rotection rating
IP
66
/
IP
67
O
vervoltage category
III
P
rotection class
I
A
pprovals
D
epending on the version
,
instruments with approvals can have di
ff
erent technical data
.
F
or these
instruments
,
please note the corresponding approval documents
.
T
hey are included in the scope
of delivery
.
LBV
310
• -
R
elay
(
DPDT
)
27
9
S
upplement
35919
-
EN
-
091126