6 | Commissioning
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Delta connection (low voltage):
Star connection (high voltage):
5.5 Electrical Connection of the Monitoring Devices
NOTE
In order to prevent potential nuisance alarms, Busch recommends that the control system
is configured with a time delay of at least 20 seconds.
5.5.1 Wiring Diagram Temperature Switch
AC (cos
φ
=1): U = 250 V ; I = 2.5 A
AC (cos
φ
=0.6): U = 250 V ; 1.6 A
DC: U = 24 V ; I = 1.6 A
DC: U = 48 V ; I = 1.25 A
Contact:
Normally closed
Switch point (T):
pin 1 + 2 = 140 °C
2
1
T
Connector:
WAGO CAGE CLAMP
®
6
Commissioning
CAUTION
During operation the surface of the machine may reach temperatures of more than
70°C.
Risk of burns!
• Avoid contact with the machine during and directly after operation.
CAUTION
Noise of running machine.
Risk of damage to hearing!
If persons are present in the vicinity of a non noise insulated machine over extended
periods:
• Make sure that ear protection is being used.