Surroundings; Terminal Tightening Torques; Cable Length; Fuses And Cable Cross-Section - Grundfos CUE Series Installation And Operating Instructions Manual

16.3 Surroundings

Relative humidity
Ambient temperature
Average ambient temperature over 24 hours
Minimum ambient temperature at full
operation
Minimum ambient temperature at reduced
operation
Temperature during storage and
transportation
Storage duration
Maximum altitude above sea level without
performance reduction
Maximum altitude above sea level with
performance reduction
Note: The CUE comes in a packaging which is not suitable for
outdoor storage.

16.4 Terminal tightening torques

Screws M10
Screws M8

16.5 Cable length

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

16.6 Fuses and cable cross-section

Warning
Always comply with national and local
regulations as to cable cross-sections.
16.6.1 Cable cross-section to signal terminals
Maximum cable cross-section to signal
terminals, rigid conductor
Maximum cable cross-section to signal
terminals, flexible conductor
Minimum cable cross-section to signal
terminals
16.6.2 Non-UL fuses and conductor cross-section to mains
and motor
Typical shaft Maximum
power P2 fuse size
[kW] [A]
3 x 380-500 V
110 300
132 350
160 400
200 500
250 600
3 x 525-690 V
110 225
132 250
160 350
200 400
250 500
1)
Screened motor cable, unscreened supply cable. AWG,
see section 16.6.3.
34
5-95 % RH
Max. 45 °C
Max. 40 °C
0 °C
–10 °C
–25 to 65 °C
Max. 6 months
1000 m
3000 m
19 Nm
9.5 Nm
150 m
300 m
300 m
1.5 mm
1.0 mm
0.5 mm
Maximum conductor
Fuse
1)
type
cross-section
2
[mm ]
gG 2 x 70
gG 2 x 70
gG 2 x 185
gG 2 x 185
gR 2 x 185
– 2 x 70
– 2 x 70
– 2 x 185
– 2 x 185
– 2 x 185
2
2
2