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11 Electrical connection
Risk of electric shock
▶ Risk of injury or death (if operating
voltage is higher than safe extra low
voltage).
▶ Electric shock can cause severe burns
and fatal injury.
Work on electrical connections only by
●
qualified trained personnel.
Disconnect the cable from the power
●
supply before making the electrical
connection.
Connect the protective earth con-
●
ductor.
11.1 Inserting the cable
Fig. 4: Inserting the cable
1. Undo the cable gland 1 and screw 5.
2. Guide the cable through the cable gland 1, washer 2 and
rubber sleeve 3 and then through the plug housing 4.
3. Connect the cable depending on the type of limit switch.
4. Push the rubber sleeve 3 and washer 2 into the plug hous-
ing 4.
5. Tighten the cable gland.
www.gemu-group.com
DANGER
11.2 GEMÜ 1270 / 1271 electrical connection
internal
Fig. 5: GEMÜ 1270 / 1271 electrical connection
1
Fig. 6: Connection to terminal block
Item
1
Uv-, supply voltage (-)
Us-, signal voltage (-)
2
Uv+, supply voltage (+)
3
Us+, signal voltage (+)
11.3 GEMÜ 1272 / 1273 electrical connection
Fig. 7: GEMÜ 1272 / 1273 electrical connection
1
Fig. 8: Connection to the terminal block
Item
1
Signal (-)
2
Signal (+)
3
n. c.
11.4 Mounting the plug
1. Push the plug onto the mount.
2. Fix the plug with the screw.
ð The plug is mounted.
13 / 20
11 Electrical connection
-
1
+
2
3
external
3
2
Connection
-
U
1
+
2
I
internal
external
3
2
Connection
GEMÜ 127x
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