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AIR HEATER WD-A, WD-U
06
Electrical connections
06.02 Repair switch
Motor 001
06.03 Maximum number of WD units on one switching device
Switchgear
670
671
676
677
685 / 52 E
685 / 53 E
685 / 54 E
685 / 55 D
685 / 56 D
685 / 57 D
685 / 58 D
685 / 57Ex D
Switchgear EC
690-EC
691-EC
692-EC
2 speeds
Y - circuit: low speed
Δ - circuit: high speed
TK= Thermal contact (TOP)
Repair switch 9-pole
101
201
301
401
102
50
20
14
6
50
20
14
6
50
20
14
6
1
1
1
1
5
2
1
10
4
2
1
20
8
5
2
35
14
10
4
2
WD 10E
15
15
15
12
12
Motor 003
Typ WD
202
302
402
103
203
7
1
15
3
24
6
2
2
2
WD 20E
WD 30E
15
15
15
1 speeds
Counterclockwise rotation
TK=Thermal contact (TOP)
Repair switch
303
403
106
206
306
50
20
14
50
20
14
1
3
1
5
3
WD 40E
15
15
15
15
15
15
406
6
6
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