Cable Length; Fuses And Cable Gauge Size - Grundfos CUE Series Installation And Operating Instructions Manual

16.5 Cable length

Maximum length, screened motor cable
Maximum length, unscreened motor cable
Maximum length, signal cable

16.6 Fuses and cable gauge size

Warning
Always comply with national and local
regulations as to cable gauge sizes.
16.6.1 Cable gauge size to signal terminals
Maximum cable gauge size to signal
terminals, rigid conductor
Maximum cable gauge size to signal
terminals, flexible conductor
Minimum cable gauge size to signal
terminals
16.6.2 Non-UL fuses and conductor cross-section
(gauge size) to mains and motor
Typical shaft Maximum
power P2 fuse size
[kW] [A]
1 x 200-240 V
1.1 20
1.5 30
2.2 40
3 40
3.7 60
5.5 80
7.5 100
3 x 200-240 V
0.75 10
1.1 20
1.5 20
2.2 20
3 32
3.7 32
5.5 63
7.5 63
11 63
15 80
18.5 125
22 125
30 160
37 200
45 250
3 x 380-500 V
0.55 10
0.75 10
1.1 10
1.5 10
2.2 20
3 20
4 20
5.5 32
7.5 32
11 63
15 63
44
500 ft
1000 ft
1000 ft
14 AWG
18 AWG
20 AWG
Maximum conductor
Fuse
1)
type
cross-section
2
[mm ]
gG 4
gG 10
gG 10
gG 10
gG 10
gG 10
gG 35
gG 4
gG 4
gG 4
gG 4
gG 4
gG 4
gG 10
gG 10
gG 10
gG 35
gG 50
gG 50
gG 50
aR 95
aR 120
gG 4
gG 4
gG 4
gG 4
gG 4
gG 4
gG 4
gG 4
gG 4
gG 10
gG 10
Typical shaft Maximum
power P2 fuse size
[kW] [A]
18.5 63
22 63
30 80
37 100
45 125
55 160
75 250
90 250
3 x 525-600 V
0.75 10
1.1 10
1.5 10
2.2 20
3 20
4 20
5.5 32
7.5 32
3 x 525-690 V
11 63
15 63
18.5 63
22 63
30 63
37 80
45 100
55 125
75 160
90 160
1)
Screened motor cable, unscreened supply cable.
AWG, see section 16.6.3.
Maximum conductor
Fuse
1)
type
cross-section
2
[mm ]
gG 10
gG 35
gG 35
gG 50
gG 50
gG 50
aR 95
aR 120
gG 4
gG 4
gG 4
gG 4
gG 4
gG 4
gG 4
gG 4
gG 35
gG 35
gG 35
gG 35
gG 35
gG 95
gG 95
gG 95
gG 95
gG 95