Grundfos TPE Series - Protection Against Electric Shock; Cable Requirements; Mains Supply

English (GB)
7
7.1 Protection against electric shock,
indirect contact
Protective-earth conductors must always have a
yellow and green, PE, or yellow,green and blue,
PEN, colour marking.
7.1.1 Protection against mains voltage transients
The motor is protected against mains voltage
transients in accordance with EN 61800-3.
7.1.2 Motor protection
The motor requires no external motor protection. The
motor incorporates thermal protection against slow
overloading and blocking.
7.2 Cable requirements
7.2.1 Cable cross-section
1 x 200-230 V
3 x 380-500 V
3 x 200-240 V
7.2.2 Conductors
Type
Stranded or solid copper conductors.
Temperature rating
Temperature rating for conductor insulation: 60 °C
(140 °F).
Temperature rating for outer cable sheath: 75 °C
(167 °F).
7.3 Mains supply
7.3.1 Single-phase supply voltage
• 1 x 200-240 V - 10 %/+ 10 %, 50/60 Hz, PE.
Check that the supply voltage and frequency
correspond to the values stated on the nameplate.
The wires in the motor terminal box must be as short
as possible. Excepted from this is the separated
earth conductor which must be so long that it is the
last one to be disconnected in case the cable is
inadvertently pulled out of the cable entry.
WARNING
Electric shock
Death or serious personal injury
- Connect the motor to protective earth
and provide protection against indirect
contact in accordance with local
regulations.
DANGER
Electric shock
Death or serious personal injury
- Always comply with local regulations as
to cable cross-sections.
Power
[kW]
Conductor
type
Cross section
[mm
2
][AWG]
0.25 - 1.5
Solid 1.5 - 2.5 16-12
Stranded 1.5 - 2.5 16-12
Power
[kW]
Conductor
type
Cross section
[mm
2
][AWG]
0.25 - 2.2
Solid 1.5 - 10 16-8
Stranded 1.5 - 10 16-8
3.0 - 11
Solid 2.5 - 10 14-8
Stranded 2.5 - 10 14-8
Power
[kW]
Conductor
type
Cross section
[mm
2
][AWG]
1.1 - 1.5
Solid 1.5 - 10 16-8
Stranded 1.5 - 10 16-8
2.2 - 5.5
Solid 2.5 - 10 14-8
Stranded 2.5 - 10 14-8
DANGER
Electric shock
Death or serious personal injury
- Use the recommended fuse size. See
sections 26.1 Supply voltage and
27.1 Supply voltage.
If you want to supply the motor through an
IT network, make sure that you have a
suitable motor variant. If you are in doubt,
contact Grundfos.