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1.66
Inductive
Sensors
AC/DC 2-Wire
Unisensor
Sn 15 mm, 20 mm, 25 mm, 30 mm
Housing size
Mounting
Rated operating distance sn
Assured operating distance sa
NO/NC programmable % &
Normally-open %
Normally-closed &
Rated operational voltage Ue
Supply voltage UB
Voltage drop Ud at le
Rated insulation voltage Ui
Rated operational current Ie
Minimum operational current Im
Off-state current Ir
Inrush current Ik t = 20 ms
Protected against polarity reversal
Short circuit protected
Repeat accuracy R
Ambient temperature range Ta
Frequency of operating cycles f
Utilization categories
Function indication
Degree of protection per IEC 529
Insulation Class
Housing material
Material of sensing face
Connection
Max. wire size
Recommended connector
Approvals
40×40×120 Unisensor
flush
15 mm
0...12.2 mm
BES 517-223-*3-E
110 V AC
20...250 V AC/DC
£ 10.5 V; £ 7.5 V dyn.
250 V AC
250 mA at 25 °C
180 mA at 70 °C
5 mA
£ 1.7 mA at 110 V AC
2 A/max. 1 Hz
yes
yes
£ 5 %
–25...+70 °C
£ 100 Hz
AC 140/DC 13
yes
IP 67
[
PBTP
PBTP
screw terminals
£ 14 AWG
cULus
40×40×120 Unisensor
non-flush
20 mm, 25 mm
0...16 mm, 0...20 mm
BES 517-223-*4-E
110 V AC
20...250 V AC/DC
£ 10.5 V; £ 7.5 V dyn.
250 V AC
250 mA at 25 °C
180 mA at 70 °C
5 mA
£ 1.7 mA at 110 V AC
2 A/max. 1 Hz
yes
yes
£ 5 %
–25...+70 °C
£ 100 Hz
AC 140/DC 13
yes
IP 67
[
PBTP
PBTP
screw terminals
£ 14 AWG
cULus
40×40×120 Unisensor
non-flush
30 mm
0...24 mm
BES 517-223-*5-E
110 V AC
20...250 V AC/DC
£ 10.5 V; £ 7.5 V dyn.
250 V AC
250 mA at 25 °C
180 mA at 70 °C
5 mA
£ 1.7 mA at 110 V AC
2 A/max. 1 Hz
yes
yes
£ 5 %
–25...+70 °C
£ 100 Hz
AC 140/DC 13
yes
IP 67
[
PBTP
PBTP
screw terminals
£ 14 AWG
cULus
Mounting instruction
clear distance
a* ³ 80 (mm)
not permitted
not permitted
not permitted
flush mounting
series sn
BES 517...(P)3... 15 mm
BES 517...(P)4... 20 mm
25 mm
BES 517...(P)5... 30 mm
side distance
c ³0 (mm)
c ³40 (mm)
c ³40 (mm)
c ³100 (mm)
head distance
b ³ 0 (mm)
b ³ 40 (mm)
b ³ 0 (mm)
b ³ 40 (mm)
clear distance
a ³ 80 (mm)
a ³ 120 (mm)
a ³ 120 (mm)
a ³ 120 (mm)
non-flush mounting
*Insert
P = Plastic Base w/PG threads
U = Metal base w/ 1/2"NPT threads
(Connector Type)
M = Plastic base w/metric threads.
Metric will replace Pg in 2001.
All available with Micro S21 or Mini S5
connectors