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OPERATING INSTRUCTIONS
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5.2
AC/DC Devices
30
O P E R A T I N G I N S T R U C T I O N S | GTB20
Table 6: Push-pull, PNP, NPN
PNP
Push-pull
NPN
PNP
Push-pull
NPN
AC/DC: 21.6 V ... 253 V AC/DC, Rated insulation voltage U
category II,
see "Technical data", page 36
Provide suitable arc suppression for inductive or capacitive loads. Relay contacts are
separated from the supply voltage by a basic isolation of 3.2 mm. Depending on the
application, additional isolation might have to be applied in the user's circuit.
Table 7: AC/DC
GTB20x-
1IRC1
1 = BN
2 = BU
3 = WH
4 = BK
0.32 mm
5 = GY
AWG22
Table 8: AC/DC
GTB20x-xxRC1
1 = BN
+ (L+)
Q ≤ 100 mA
Push-pull
‒ (M)
+ (L+)
Q ≤ 100 mA
Push-pull
‒ (M)
3A
6
1
7
6
5
2
5
4
2
3
4
I
= 4 A
N
0.32 mm
2
AGW22
+ (L+)
1 = BN
+ (L+)
PNP
Q ≤ 100 mA
NPN
‒ (M)
+ (L+)
PNP
Q ≤ 100 mA
NPN
‒ (M)
250 V AC, overvoltage
i
3C
QLRC1 (UR only)
1
2
3
I
= 6 A
N
0.32 mm
2
AGW22
0.14 ... 0.5 mm
AWG20 ... 26
(Recommenda‐
tion: Stranded
wire)
< 0.3
Nm
GTB20x-xxSD1
+ (L+)
8026846.1K1C/2023/06/07 | SICK
Subject to change without notice
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