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Grundfos DDA 7.5-16

Grundfos DDA 7.5-16
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English (GB)
11
1)
The maximum stroke frequency varies depending on calibration
2)
Data is based on measurements with water
3)
Maximum suction lift: 1 m, dosing capacity reduced (approx. 30 %)
4)
Length of suction line: 1.5 m, length of discharge line: 10 m (at max. viscosity)
5)
With E-Box
Electrical
data
Voltage [V]
100-240 V, - 10 %/+ 10 %,
50/60 Hz
Length of mains cable [m] 1.5
Max. inrush current for 2 ms (100 V) [A] 8
Max. inrush current for 2 ms (230 V) [A] 25
Max. power consumption P
1
[W] 24
5)
Enclosure class IP65, Nema 4X
Electrical safety class II
Pollution degree 2
Signal input
Max. load for level input 12 V, 5 mA
Max. load for pulse input 12 V, 5 mA
Max. load for External stop input 12 V, 5 mA
Min. pulse length [ms] 5
Max. pulse frequency [Hz] 100
Impedance at 0/4-20 mA analog input [Ω]15
Accuracy of analog input (full-scale value) [%] ± 1.5
Min. resolution of analog input [mA] 0.05
Max. resistance in level/pulse circuit [Ω] 1000
Signal
output
Max. ohmic load on relay output [A] 0.5
Max. voltage on relay/analog output [V] 30 VDC/30 VAC
Impedance at 0/4-20 mA analog output [Ω] 500
Accuracy of analog output (full-scale value) [%] ± 1.5
Min. resolution of analog output [mA] 0.02
Weight/size
Weight (PVC, PP, PVDF) [kg] 2.4 2.4 2.6
Weight (stainless steel) [kg] 3.2 3.2 4.0
Diaphragm diameter [mm] 44 50 74
Sound
pressure
Max. sound pressure level [dB(A)] 60
Approvals CE, CB, CSA-US, NSF61, GOST/TR, C-Tick
Data 7.5-16 12-10 17-7 30-4

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