Installation | 5
Instruction Manual COBRA NC 0500 B_EN_en
15 | 36
●
Jog the motor briefly.
●
With a phase rotation tester, check if the wiring corresponds to the correct direction of rotation.
If the rotation of the motor must be changed:
●
Switch any two of the motor phase wires.
5.6
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.
5.6.1
Wiring Diagram Temperature Switch
Part no.:
0651 541 566
U = 250 VAC ; I = 2.5 A
►
cos
φ
= 1
U = 250 VAC ; I = 1.6 A
►
cos
φ
= 0.6
U = 48 VDC ; I = 1.25 A
Contact :
Normally closed
Switch point:
T
trip
= 100 °C
2
1
T
1 = White ; 2 = Brown
