Installation; Electrical Connection; Inserting The Cable - GEM 125 Series Operating Instructions Manual

11 Installation

Type Application as
GEMÜ 1250 Signal generator with change-
over contact
GEMÜ 1251 Signal generator for maximum
GEMÜ 1256 Signal generator for maximum
GEMÜ 1252 Signal generator for minimum
GEMÜ 1257 Signal generator for minimum
Fig. 6: Assembling the limit switch
1. During assembly of the GEMÜ 1250–1257 limit switches
observe the correct position and nominal sizes.
2. Clamp the limit switch 2 onto the dovetail 1 on the meter-
ing tube.
3. Adjust the position by moving it up/down the metering
tube.
4. Fix the position with the locking screw 3.
ð The limit switch is assembled.
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12 Electrical connection

DN
20 - 65
20 - 65
10, 15, 20
20 - 65
10, 15, 20

12.1 Inserting the cable

1
2
3
Fig. 7: 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.
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12 Electrical connection
DANGER
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.
GEMÜ 125x