Proximity Sensors Inductive
Stainless Steel Housing
Types IA, M12, M18 and M30, NAMUR
• Stainless steel housing, cylindrical
• Diameter: M12, M18, M30
• Short or long versions
• Sensing distance: 2 to 15 mm
• Output: NAMUR EN 50 227
• Protection: Reverse polarity
• LED-indication
• 2 m cable or plug M12
Product Description
Proximity switch in M12, M18
and M30 stainless steel hous-
ing. Made in accordance with
Euronorm EN 50 227 and EN
60 947-5-2. For thermoplastic
housing refer to type IA 12C....
Amplifier relay SD.... is avail-
able.
Ordering Key
Type
Housing size
Housing type
Sensing function
Sensing distance
Output type
Plug
IA 12 ESF 02 UC M1
Type Selection
Housing
diameter
M12
M12
M12
M12
M12
M12
M12
M12
M18
M18
M18
M18
M18
M18
M18
M18
M30
M30
M30
M30
M30
M30
M30
M30
1)
2)
Body
style
Short
Short
Long
Long
Short
Short
Long
Long
Short
Short
Long
Long
Short
Short
Long
Long
Short
Short
Long
Long
Short
Short
Long
Long
Connection
Cable
Plug
Cable
Plug
Cable
Plug
Cable
Plug
Cable
Plug
Cable
Plug
Cable
Plug
Cable
Plug
Cable
Plug
Cable
Plug
Cable
Plug
Cable
Plug
Rated operating
distance (S
n
)
2 mm
1)
2 mm
1)
2 mm
1)
2 mm
1)
4 mm
2)
4 mm
2)
4 mm
2)
4 mm
2)
5 mm
1)
5 mm
1)
5 mm
1)
5 mm
1)
8 mm
2)
8 mm
2)
8 mm
2)
8 mm
2)
10 mm
1)
10 mm
1)
10 mm
1)
10 mm
1)
15 mm
2)
15 mm
2)
15 mm
2)
15 mm
2)
Ordering no.
Namur
IA 12 ESF 02 UC
IA 12 ESF 02 UC M1
IA 12 ELF 02 UC
IA 12 ELF 02 UC M1
IA 12 ESN 04 UC
IA 12 ESN 04 UC M1
IA 12 ELN 04 UC
IA 12 ELN 04 UC M1
IA 18 ESF 05 UC
IA 18 ESF 05 UC M1
IA 18 ELF 05 UC
IA 18 ELF 05 UC M1
IA 18 ESN 08 UC
IA 18 ESN 08 UC M1
IA 18 ELN 08 UC
IA 18 ELN 08 UC M1
IA 30 ESF 10 UC
IA 30 ESF 10 UC M1
IA 30 ELF 10 UC
IA 30 ELF 10 UC M1
IA 30 ESN 15 UC
IA 30 ESN 15 UC M1
IA 30 ELN 15 UC
IA 30 ELN 15 UC M1
For flush mounting in metal
For non-flush mounting in metal
Specifications are subject to change without notice (19.05.05)
1
IA 12, IA 18, IA 30, NAMUR
Specifications
Rated operational volt.
(U
e
)
(U
B
)
8.2 VDC
7 to 9 VDC
(6 to 35 VDC, all specifica-
tions not observed in
extended supply range)
≤
500µH
≤
120 nF
Activated:
≤1
mA
Not activated:
≥
2.2 mA
Max. 9.35 mA
Reverse polarity
≤
1 kV/0.5 J
Approved according to
EN 50 080, EN 50 081
< 10 ms
IA12xxF02
1.400 Hz
IA12xxN04
1.200 Hz
IA18xxF05
500 Hz
IA18xxN08
200 Hz
IA30xxF10
300 Hz
IA30xxF15
100 Hz
LED, yellow
0
≤
S
a
≤
0.81 S
n
≤
5%
Hysteresis
(H)
(Differential travel)
Effective operating dist.
(S
r
)
Usable operating dist.
(S)
Ambient temperature
Operating
Storage
Degree of protection
Housing material
Body
Front
Back
Connection
Cable
Plug
Cables for plug (-1)
Weight
(cable excluded)
1 to 15% of sensing distance
0.9 x S
n
≤
S
r
≤
1.1 x S
n
0.9 x S
r
≤
S
u
≤
1.1 x S
r
-25° to +70°C (-13° to +158°F)
-30° to +80°C (-22° to +176°F)
IP 67 (Nema 1, 3, 4, 6, 13)
Stainless Steel (1.4301)
Grey thermoplastic polyester
Black thermoplastic polyester
2 m, 2 x 0.5 mm
2
,
grey PVC, oil proof
M12 x 1
CONH1A series
IA 12xx
20 g
IA 18xxF05
26 g
IA 18xxN08
30 g
IA 30xxF10
75 g
IA 30xxN15
80 g
IA 12
7.5 Nm
IA 18
27.5 Nm
IA 30
100 Nm
UL
Yes
Self-inductance
Self-capacitance
No-load supply current
(I
o
)
Protection
Transient voltage
EMC
Power ON delay
Frequency of operating
cycles
(f)
Indication not activated
Assured operating dist.
(S
a
)
Repeat accuracy
(R)
Tightening torque
Approvals
CE-marking
Dimensions
Type
IA 12 ESF 02 UC
IA 12 ELF 02 UC
IA 12 ESF 02 UC M1
IA 12 ELF 02 UC M1
IA 12 ESN 04 UC
IA 12 ELN 04 UC
IA 12 ESN 04 UC M1
IA 12 ELN 04 UC M1
IA 18 ESF 05 UC
IA 18 ELF 05 UC
IA 18 ESF 05 UC M1
IA 18 ELF 05 UC M1
IA 18 ESN 08 UC
IA 18 ELN 08 UC
IA 18 ESN 08 UC M1
IA 18 ELN 08 UC M1
IA 30 ESF 10 UC
IA 30 ELF 10 UC
IA 30 ESF 10 UC M1
IA 30 ELF 10 UC M1
IA 30 ESN 15 UC
IA 30 ELN 15 UC
IA 30 ESN 15 UC M1
IA 30 ELN 15 UC M1
A
M12 x 1 x 30
M12 x 1 x 50
M12 x 1 x 30
M12 x 1 x 50
M12 x 1 x 30
M12 x 1 x 50
M12 x 1 x 30
M12 x 1 x 50
M18 x 1 x 30
M18 x 1 x 50
M18 x 1 x 30
M18 x 1 x 50
M18 x 1 x 30
M18 x 1 x 50
M18 x 1 x 30
M18 x 1 x 50
M30 x 1.5 x 30
M30 x 1.5 x 50
M30 x 1.5 x 30
M30 x 1.5 x 50
M30 x 1.5 x 30
M30 x 1.5 x 50
M30 x 1.5 x 30
M30 x 1.5 x 50
B
C
Ø mm mm
10.7
10.7
10.7
10.7
10.7
10.7
10.7
10.7
16.7
16.7
16.7
16.7
16.7
16.7
16.7
16.7
28
28
28
28
28
28
28
28
30
50
30
50
34
54
34
54
30
50
30
50
38
58
38
58
30
50
30
50
42
62
42
62
D
mm
11
11
12.6
12.6
11
11
12.6
12.6
11.6
11.6
13.1
13.1
11.6
11.6
13.1
13.1
13.6
13.6
13.6
13.6
13.6
13.6
13.6
13.6
E
mm
5.0
5.0
11.9
11.9
5.0
5.0
11.9
11.9
15.4
15.4
11.9
11.9
15.4
15.4
11.9
11.9
15.4
15.4
11.9
11.9
15.4
15.4
11.9
11.9
F SW
mm mm
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
5
5
5
5
5
5
5
5
17
17
17
17
17
17
17
17
24
24
24
24
24
24
24
24
36
36
36
36
36
36
36
36
2
Specifications are subject to change without notice (19.05.05)
IA 12, IA 18, IA 30, NAMUR
Dimensions (cont.)
C
D
E
C
D
E
B
B
F
F
SW
A
LED
M12 x 1
SW A
LED
Cable type
Plug type
Installation Hints
To avoid interference from inductive voltage/
current peaks, separate the prox. switch pow-
er cables from any other power cables, e.g.
motor, contactor or solenoid cables
Relief of cable strain
Protection of the sensing face
Switch mounted on mobile carrier
Incorrect
Correct
The cable should not be pulled
A proximity switch should not serve as
mechanical stop
Any repetitive flexing of the
cable should be avoided
Wiring Diagram
Power Supplies
> SD 110/210
> SD 170/270
BN
Refer to Technical information.
+
R 1K
8.2 V
BU
-
Specifications are subject to change without notice (19.05.05)
3
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