20
9.2 Electrical connections
ATTENTION
The bi-metal switch (connection 21-22) of the pump is suitable for switching 250 V AC at 2 A. Do
not connect connection 20; do shield it.
Table 4: Cable coding
DRK250100-8 332 10 22.5 400/692 715 bi-metal 12*1.5 750 300 135 735
DRK250200-8 390 20 44 400/692 705 bi-metal 7*6+5*1.5 750 300 135 775
DRK250280-8 408 28 60 400/692 730 bi-metal 2*4*4+
12*1.5
750 300 135 900
DRS311-2W(S) 145 1.1 8.2 1*230 2850 clixon 4*1 160 50 7 26
DRS311-2WA 145 1.1 8.2 1*230 2850 clixon 4*1 84 50 7 26
DRS315-2 145 1.5 3.5 3*400 2850 naw 4*1 160 50 7 24
DRS315-2A 145 1.5 3.5 3*400 2850 naw 4*1 84 50 7 24
DRS413-2 120(140) 1.3 3.56 3*400 2850 bi-metal 7*1.5 207 50 6 39
DRS419-2 160 1.9 4.5 3*400 2850 bi-metal 7*1.5 207 50 6 39
DRS631-2 175 3.1 7 3*400 2850 bi-metal 7*1.5 203 50 6 54
DRS642-2 190 4.2 8.8 3*400 2850 bi-metal 7*1.5 203 50 6 54
DRSK 2119-4 154 1.9 5.9 3*400 1450 bi-metal 7*1.5 602 80 65 74
DRSK 2119-4 168 1.9 5.9 3*400 1450 bi-metal 7*1.5 602 80 65 74
DRSK 2119-4 180 1.9 5.9 3*400 1450 bi-metal 7*1.5 602 80 65 74
DRSK 2119-4 190 1.9 5.9 3*400 1450 bi-metal 7*1.5 602 80 65 75
DRSK 3126-4 195 2.6 6.5 3*400 1450 bi-metal 7*1.5 628 100 76 79
DRSK 3137-4 209 3.7 8.4 3*400 1450 bi-metal 7*1.5 628 100 76 79
DRSK 3137-4 220 3.7 8.4 3*400 1450 bi-metal 7*1.5 628 100 76 80
DRV 6/8 DRS 3 DRV 9/11/12/13/
24/27 DRS 4/6
DRSK 21 / 31
DRK
(n = 12)
DRK
(n = 1x7 + 1x5)
L1 U1 black 1 1 1
L2 V1 blue 2 2 2
L3 W1 brown 3 3 3
Dummy connection 20 4
Bi-metal 21 5 7 1
22 682
Earthing PE green/yellow green/yellow green/yellow green/yellow
L2’ U U2 4 4
L3’ U V2 5 5
L1’ U W2 6 6
PTC
1
1. PTC and humidity sensor depends on the type of motor.
10 9 3
11 10 4
Humidity sensor
1
9115
pump type P
[kW]
Inom
[A]
Umotor
[V]
n
[min
-1
]
tempera-
ture protec-
tion
cable type
[n x mm
2
]
H1
[mm]
Connec-
tion
[DN]
Free pas-
sage
[mm]
Mass
[kg]
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