3.2.4.6.
Tailles EY820E
Efficiency [%]
30
25
20
15
10
5
76 78
72
66
62
54
52
50
0
0
1000
3.2.4.7.
Tailles EY840E
Efficiency [%]
50
40
30
20
10
70
66
56
60
50
0
0
500
1000
27 – Pvd3675_Fr_Ey_Septembre_2017
Constant efficiency curves of the motor
NX820E
EY820E
74
72
70
68
64
56
58
60
50
2000
3000
Speed [rpm]
Constant efficiency curves of the motor
NX840E
EY840E
92
84
72
68
62
64
58
54
56
52
1500
2000
2500
Speed [rpm]
70
74
68
62
66
64
60
58
54
52
56
4000
5000
94
80
78
68
66
62
64
60
58
50
52
54
3000
3500
66
70
68
64
62
58
60
56
50
54
52
6000
78
76
74
72
70
68
64
60
62
58
56
54
50
52
4000
4500