Grundfos SL1 Serie Instrucciones De Instalación Y Funcionamiento página 23

12. Technical data
Supply voltage
• 3 x 380-415 V - 10 %/+ 10 %, 50 Hz
• 3 x 400-415 V - 10 %/+ 10 %, 50 Hz.
Enclosure class
IP68. According to IEC 60529.
Insulation class
H (180 °C).
Operating pressure
All pump housings have a cast-iron PN 10 discharge flange.
Dimensions
Discharge flanges are DN 65, DN 80, DN 100 or DN 150
according to EN 1092-2.
Pump curves
Pump curves are available via the internet on
www.grundfos.com.
The curves are to be considered as a guide. They must not be
used as guarantee curves.
Test curves for the supplied pump are available on request.
Make sure that the pump does not operate outside the
recommended operating range during normal operation.
Pump noise emission < 70 dB(A)
• Sound power measurements were carried out according to
ISO 3743.
• Sound power was calculated at a distance of 1 metre
according to ISO 11203.
The sound pressure level of the pump is lower than the limiting
values stated in the EC Council Directive 2006/42/EC relating to
machinery.
Power P Power P
2 1
[kW] [kW]
2.2 2.8
2.2 2.8
2.2 2.8
3 3.8
3 3.8
3 3.8
4 4.8
4 4.8
6.0 7.1
6.0 7.1
7.5 8.9
7.5 8.9
9.2 10.5
9.2 10.5
11 12.6
11 12.6
The supply cable resistance depends on the cable diameter.
Resistance per running metre of cable: 1.5 mm
Resistance per running metre of cable: 2.5 mm
2-pole motor
Voltage Starting
[V] method
3 x 380-415 DOL
3 x 380-415 Y/D
3 x 400-415 DOL
3 x 380-415 DOL
3 x 380-415 Y/D
3 x 400-415 DOL
3 x 380-415 Y/D
3 x 400-415 DOL
3 x 380-415 Y/D
3 x 400-415 DOL
3 x 380-415 Y/D
3 x 400-415 DOL
3 x 380-415 Y/D
3 x 400-415 DOL
3 x 380-415 Y/D
3 x 400-415 DOL
2
= 0.012 Ω.
2
= 0.007 Ω.
Cable cross section
Thermal protection
Thermal switch
Thermal switch
Thermal switch
Thermal switch
Thermal switch
Thermal switch
Thermal switch
Thermistor
Thermal switch
Thermistor
Thermal switch
Thermistor
Thermal switch
Thermistor
Thermal switch
Thermistor
Cable connection
Conductors /
2
[mm ] plug pins
1.5 7/7
1.5 10/10
1.5 7/7
1.5 7/7
1.5 10/10
1.5 7/7
2.5 10/10
2.5 7/10
2.5 10/10
2.5 7/10
2.5 10/10
2.5 7/10
2.5 10/10
2.5 7/10
2.5 10/10
2.5 7/10
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