Capacitive sensor
BC20-K40SR-FZ3X2 W/M16X1.5
■
2 cable entries (axial, radial)
■
Smooth barrel, Ø 40 mm
■
Plastic, ABS
■
Fine adjustment via potentiometer
■
AC 2-wire, 20…250 VAC
■
Programmable connection (NC/NO)
■
Terminal chamber
Wiring Diagram
Type designation
Ident-No.
Ident-No (TUSA)
Rated switching distance (flush)
Rated switching distance (non-flush)
Secured operating distance
Hysteresis
Temperature drift
Repeat accuracy
Ambient temperature
Operating voltage
AC rated operational current
Frequency
Smallest operating current I
m
Residual current
Switching frequency
Isolation test voltage
Output function
Voltage drop at I
e
Design
Dimensions
Housing material
Active area material
Electrical connection
Clamping ability
Vibration resistance
Shock resistance
Protection class
MTTF
Power-on indication
Switching state
Included in delivery
BC20-K40SR-FZ3X2 W/M16X1.5
23103
M2310300
20 mm
30 mm
ð
(0.72 x Sn) mm
2…20 %
type 20 %
ð
2 % of full scale
-25…+70 °C
20…250VAC
ð
500 mA
ï
50…ð 60 Hz
ï
5 mA
ð
1.7 mA
0.02 kHz
ð
1.5 kV
2-wire, Connection programmable, 2-wire
ð
7V
Smooth barrel, 40 mm
90 mm
Plastic, ABS
Plastic, ABS
Terminal chamber
ð
2.5 mm
55 Hz (1 mm)
30 g (11 ms)
IP67
1080 years acc. to SN 29500 (Ed. 99) 40 °C
2
Functional principle
Capacitive proximity switches are designed
for non-contact and wear-free detection of
electrically conductive as well as non-conduc-
tive metal objects.
LED green
LED yellow
BS40, cable gland, blanking plug
Edition • 2017-09-15T05:57:42+02:00
1/3
TURCK Inc.
ñ
3000 Campus Drive Minneapolis, MN 55441-2656
ñ
Phone: 763-553-7300
ñ
Application Support: 1-800-544-7769
ñ
Fax 763-553-0708
ñ
www.turck.com
Capacitive sensor
BC20-K40SR-FZ3X2 W/M16X1.5
Mounting instructions/Description
Distance D
Distance W
Distance S
Distance G
Diameter active area B
minimum distances
40 mm
60 mm
60 mm
120 mm
Ø 40 mm
The given minimum distances have been checked in
compliance with the standard switching distance.
Should the sensitivity of the sensors be changed via
potentiometer, the data sheet specifications no longer
apply.
Edition • 2017-09-15T05:57:42+02:00
2/3
TURCK Inc.
ñ
3000 Campus Drive Minneapolis, MN 55441-2656
ñ
Phone: 763-553-7300
ñ
Application Support: 1-800-544-7769
ñ
Fax 763-553-0708
ñ
www.turck.com
Capacitive sensor
BC20-K40SR-FZ3X2 W/M16X1.5
Accessories
Type code
MAP-K40
Ident-No.
6950014
Description
Mounting adapter; material: Polypropylene; sensor replace-
ment with filled container possible (adapter remains in con-
tainer during sensor replacement)
BS-40
69466
Fixing clamp; material mounting block: PBT
Edition • 2017-09-15T05:57:42+02:00
3/3
TURCK Inc.
ñ
3000 Campus Drive Minneapolis, MN 55441-2656
ñ
Phone: 763-553-7300
ñ
Application Support: 1-800-544-7769
ñ
Fax 763-553-0708
ñ
www.turck.com