Grundfos CRE User Manual

11.6 Other technical data
EMC (electromagnetic compatibility)
Standard used: EN 61800-3.
The table below indicates the emission category of the motor.
C1: Fulfills the requirements for residential areas.
C3: Fulfills the requirements for industrial areas.
Motor
Hp (kW)
Emission category
1450-2000 min
-1
2900-4000 min
-1
4000-5900 min
-1
0.33
(0.25)
C1 C1
1/2
(0.37)
C1 C1
3/4
(0.55)
C1 C1
1
(0.75)
C1 C1
1 1/2
(1.1)
C1 C1
2
(1.5)
C1 C1
3
(2.2)
C1 C1
5
(4)
C1 C1
7 1/2
(5.5)
C3/C1
1)
C1
10
(7.5)
C3/C1
1)
C3/C1
1)
15
(11)
-
C3/C1
1)
1)
C1, if equipped with an external Grundfos EMC filter.
Immunity: Fulfills the requirements for industrial areas.
Contact Grundfos for further information.
Enclosure class
Standard: IP55 (IEC 34-5).
Optional: IP66 (IEC 34-5).
Insulation class
F (IEC 85).
Standby power consumption
5-10 W.
Cable entries
Motor
Hp (kW)
Supply voltage
Number and size of
cable entries
1/2 - 2
(0.37 - 1.5)
1 × 200-240 V, 50/60 Hz
3 × 200-240 V, 60 Hz
3 × 440-480 V, 50/60 Hz
4 × NPT 1/2"
4 × NPT 1/2"
4 × NPT 1/2"
3
(2.2)
3 × 200-240 V, 60 Hz
3 × 440-480 V, 50/60 Hz
5 × NPT 1/2"
4 × NPT 1/2"
5
(4)
3 × 200-240 V, 60 Hz
3 × 440-480 V, 50/60 Hz
5 × NPT 1/2"
5 × NPT 1/2"
7 1/2
(5.5)
3 × 200-240 V, 60 Hz
3 × 440-480 V, 50/60 Hz
1 × NPT3/4" +
5 × NPT1/2"
5 × NPT 1/2"
10 - 15
(7.5 -11)
3 × 440-480 V, 50/60 Hz
1 × NPT3/4" +
5 × NPT1/2"
The cable entries are fitted with blind plugs from the factory. Cable
glands are not provided.
Torques
Terminal Thread size
Maximum torque
[ft lb (Nm)]
L1, L2, L3, L, N M4 1.3 (1.8)
NC, C1, C2, NO M2.5 0.4 (0.5)
1-26 and A, Y, B M2 0.4 (0.5)
65
English (US)

Grundfos CRE Specifications

General

Protection Class	IP55
Material	Stainless Steel
Applications	Water supply, pressure boosting, irrigation
Impeller Material	Stainless Steel
Pump Housing Material	Stainless Steel
Connection Size	DN32 to DN200 (depending on model)
Power Supply	3-phase
Control	Integrated frequency converter