Specifications are subject to change without notice (25.06.99)
1
Namur
Transistor NPN/PNP
Rated operational volt. (U
e
)
8.2 VDC
24 VDC
(U
B
)
7 to 9 VDC (6 to 35 VDC, all specifications
DJ 25 E
21.6 to 26.4 VDC (ripple included)
not observed in extended supply range)
EI 8040
10 to 40 VDC (ripple included)
Self-inductance
500 H
Self-capacitance
120 nF
Ripple
max. 10%
Rated operational current (I
e
)
200 mA
No-load supply current (I
o
)
Activated:
1 mA
DJ 25 E
15 mA (output ON and OFF)
Not activated:
2.8 mA
EI 8040
7 mA (output ON)
Max.: 9.35 mA
3 mA (output OFF)
Voltage drop (U
d
)
DJ 25 E
1.5 VDC (at max. load)
EI 8040
2 VDC (at max. load)
Protection
Reverse polarity
DJ 25 E
reverse polarity
EI 8040
short-circuit, reverse polarity,
transients
Transient voltage
1 kV/0.5 J (prepared)
1 kV/0.5 J (prepared)
Power ON delay
DJ 25 E
none
EI 8040
typ. 5 ms
Frequency of operating
cycles (f)
DJ 25
250 Hz
DJ 25 E
200 Hz
DJ 40
100 Hz
EI 8040
70 Hz
Types DJ, 50, 77 and EI, 77
ABS Housing
Proximity Sensors Inductive
ABS housing, 50 mm, 77 mm
Sensing distance: 25 to 40 mm
Power supply: 8.2 VDC (Namur)
24 VDC
Output: Namur (DIN 19234)
Transistor NPN, make switching (DJ 25 E)
Transistor NPN or PNP,
make or break switching (EI 8040)
Protection: Reverse polarity
2 m cable
Product Description
Special-design proximity switch
with long sensing distance,
up to 40 mm. With transistor
NPN, PNP or made in ac-
cordance with Namur DIN 19
234. Sturdy ABS housing.
Type: Inductive proximity
switch
Housing
Rated operating dist. (mm)
Output type
Housing
Rated
Ordering no.
Ordering no.
Ordering no.
Ordering no.
Ordering no.
diameter
operating
Namur
Transistor NPN
Transistor NPN
Transistor NPN
Transistor NPN
dist. (S
n
)
Make switching
Break switching
Make switching
Break switching
50 mm
25 mm
1)
DJ 25
DJ 25 E
77 mm
40 mm
1)
DJ 40
EI 8040 NPOP
EI 8040 NPCP
EI 8040 PPOP
EI 8040 PPCP
1)
For non-flush mounting in metal
Ordering Key
Type Selection
Specifications
DJ 25 E
EI 8040 NPOP
2
Specifications are subject to change without notice (25.06.99)
Namur
Transistor NPN/PNP
Indication for output ON
DJ 25 E
none
EI 8040
LED, yellow
Assured operating dist. (S
a
)
DJ 25
0 to 18 mm
DJ 25 E
0 to 18 mm
DJ 40
0 to 28 mm
EI 8040
0 to 32 mm
Repeat accuracy (R)
10%
DJ 25 E
10%
EI 8040
5%
Hysteresis (H)
(Differential travel)
Dependent on amplifier relay
1 to 15% of sensing distance
Effective operating dist. (S
r
)
0.9 x S
n
S
r
1.1 x S
n
0.9 x S
n
S
r
1.1 x S
n
Usable operating dist. (S
u
)
0.8 x S
r
S
u
1.2 x S
r
DJ 25 E
0.8 x S
r
S
u
1.2 x S
r
EI 8040
0.9 x S
r
S
u
1.1 x S
r
Ambient temperature
Operating
-20 to +60C (-4 to +140F)
-20 to +60C (-4 to +140F)
Storage
-25 to +70C (-13 to +158F)
-25 to +70C (-13 to +158F)
Degree of protection
IP 67
IP 67
(Nema 1, 3, 4, 6, 13)
(Nema 1, 3, 4, 6, 13)
Housing material
Blue ABS
DJ 25 E
ABS, blue
EI 8040
ABS, grey
Cable
2 m, 2 x 0.50 mm
2
grey PVC, oil proof
2 m, 3 x 0.25 mm
2
grey PVC, oil proof
Weight (cable included)
DJ 25
220 g
DJ 25 E
220 g
DJ 40
500 g
EI 8040
500 g
CE-marking
Yes
DJ, 50, 77 and EI, 77
Dimensions
DJ 25 .
Power supplies VAC:
> SS 110.
Power supplies VDC:
> SS 130/140
DJ 40/EI 8040
Wiring Diagrams
Installation Hints
Power Supplies
Refer to "Installation Hints", Technical Information.
> SD 110/210.
Refer to Technical Information.
> SD 170/270.
Refer to "Wiring Diagrams", Technical Information.
Namur, Amplifier Relays
Specifications (cont.)
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