Photoelectric sensors | G20 | GTB20M-3ASD116GZZZ | Sensing range min. / max.: 0.005 m / 3 m | Functional principle: Photoelectric proximity sensor | Functional principle detail: Background suppression | Switching output: Relay, SPDT, electrically isolated | Switching mode: Light/dark switching | Connection type: Cable with Q6 male connector, 6-pin, AC/UC-coded, 300 mm | Light source: LED | Type of light: Infrared light | Housing material: ABS | Adjustment: Potentiometer | Housing: Rectangular
Functional principle
Photoelectric proximity sensor
Functional principle detail
Background suppression
Sensing range min.
0.005 m
Sensing range max.
3 m
Adjustable switching threshold for background suppression
0.1 m ... 3 m
Reference object
Object with 90% remission factor (complies with standard white according to DIN 5033)
Minimum distance between set sensing range and background (black 6% / white 90%)
200 mm, at a distance of 1000 mm
Light source
LED
Type of light
Infrared light
Shape of light spot
Rectangular
Light spot size (distance)
Ø 28 mm (500 mm)
Maximum dispersion of the emitted beam around the standardized transmission axis (squint angle)
< +/- 1.5° (at TU= +23 °C)
Normative reference
EN 62471:2008-09 | IEC 62471:2006, modified
LED risk group marking
Free group
Wave length
850 nm
Average service life
100,000 h at Ta= +25 °C
Potentiometer 1
For setting the sensing range, 7 rotations
Operating mode switch
For inverting the switching function (light/dark switching)
Potentiometer 2
For adjusting the delay time
Potentiometer 3
For selecting the delay time
LED green
Operating indicatorStatic on: power on
LED yellow
Status of received light beamStatic on: object present
Supply voltage Ue
24 V AC/DC ... 240 V AC/DC1)
Ripple
< 10 %
Usage category
DC-13 (according to EN 60947-1)AC-15 (according to EN 60947-1)
Current consumption
≤ 10 mA, Without load At 230 V AC/DC≤ 45 mA, Without load At 24 V AC/DC
Protection class
II
Number
2 (Complementary)
Type
Relay, SPDT, electrically isolated2)
Switching mode
Light/dark switching
Output current Imax.
4 A@250 V AC, 4 A@24 VDC, 0.11 A@250 V DC
Response time
≤ 15 ms
Switching frequency
10 Hz3)
Time functions
Deactivated (factory setting)
Delay time
Adjustable via time delay selector switch, 0 ms ... 10,000 ms, 0 ms (factory setting)
BN 1
L/(+)
BU 2
N/(-)
GY 3
Relay COM
BK 4
Relay NORelay output, light switching, object present → output HIGH
WH 5
Relay NCRelay output, dark switching, object present → output LOW
Dimensions (W x H x D)
23.5 mm x 74.5 mm x 63 mm
Connection
Cable with Q6 male connector, 6-pin, AC/UC-coded, 300 mm
Deep-freeze property
Do not bend below 0 °C
Length of cable (L)
270 mm
Housing
Plastic, ABS
Front screen
Plastic, PMMA
Cable
Plastic, PVC
Male connector
Plastic, PC
Weight
Approx. 155 g
Enclosure rating
IP65 (EN 60529)
Ambient operating temperature
–30 °C ... +60 °C1)
Ambient temperature, storage
–40 °C ... +70 °C
Typ. Ambient light immunity
Sunlight: ≤ 20,000 lx
Shock resistance
30 g, 11 ms (3 positive and 3 negative shocks along X, Y, Z axes, 18 total shocks (EN60068-2-27))
Vibration resistance
10 Hz ... 1,000 Hz (Amplitude 1 mm, 3 x 30 min (EN60068-2-6))
Air humidity
35 % ... 95 %, relative humidity (no condensation)
Electromagnetic compatibility (EMC)
EN 60947-5-2, EN 61000-6-3
UL File No.
NRKH.E348498 & NRKH7.E348498
UK declaration of conformity
✔
ACMA declaration of conformity
✔
Moroccan declaration of conformity
✔
China RoHS
✔
CCC certificate
✔
cULus certificate
✔
Photobiological safety (IEC EN 62471)
✔
ECLASS 5.0
27270904
ECLASS 5.1.4
27270904
ECLASS 6.0
27270904
ECLASS 6.2
27270904
ECLASS 7.0
27270904
ECLASS 8.0
27270904
ECLASS 8.1
27270904
ECLASS 9.0
27270904
ECLASS 10.0
27270904
ECLASS 11.0
27270904
ECLASS 12.0
27270903
ETIM 5.0
EC002719
ETIM 6.0
EC002719
ETIM 7.0
EC002719
ETIM 8.0
EC002719
UNSPSC 16.0901
39121528
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