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ENERGY EFFICIENT
GEARED MOTORS


4 Pole

Standard Efficiency

Premium Efficiency

Top Premium Efficiency


Other


Standard Efficiency

Premium Efficiency

Top Premium Efficiency

Rating kW
Efficiency

7.5
0.886%

7.5
0.904%

7.5
0.917%


7.5
0.88%





Daily running cost 24 hours per day

£9.14

£8.96

£8.83


£9.20


-£0.06

-£0.24

-£0.37

Daily running cost 16 hours per day

£6.09

£5.97

£5.89


£6.14


-£0.04

-£0.16

-£0.25

Daily running cost 8 hours per day

£3.05

£2.99

£2.94


£3.07


-£0.02

-£0.08

-£0.12

Cost of motor (approx.)

£180.00

£211.88

£243.00


£-


£180.00

£211.88

£243.00











Time to consume motor cost in days
(24 hours per day)

20

24

28


0


20

24

28

Time to consume motor cost in days
(16 hours per day)

30

35

41


0


30

35

41

Time to consume motor cost in days
(8 hours per day)

59

71

83


0


59

71

83











Lifetime running cost based on 10 years 24 hours per day

£33,369.07

£32,704.65

£32,241.00


£33,596.59


-£227.52

-£891.94

-£1,355.59











1 year

£3,336.91

£3,270.46

£3,224.10


£3,359.66


-£22.75

-£89.19

-£135.56
















saving over standard

£66.44

£112.81




4 Pole

Standard Efficiency

Premium Efficiency

Top Premium Efficiency


Other


Standard Efficiency

Premium Efficiency

Top Premium Efficiency

Rating kW
Efficiency

75
0.94%

75
0.952%

75
0.958%


75
0.95%





Daily running cost 24 hours per day

£86.17

£85.08

£84.55


£85.26


£0.91

-£0.18

-£0.17

Daily running cost 16 hours per day

£57.45

£56.72

£56.37


£56.84


£0.60

-£0.12

-£0.47

Daily running cost 8 hours per day

£28.72

£28.36

£28.18

£28.42

£0.30

-£0.06

-£0.24

Cost of motor (approx.)

£1,648.50

£1,648.50

£1,648.50


£-


£1,648.50

£1,648.50

£1,648.50











Time to consume motor cost in days
(24 hours per day)

19

19

19


0


19

19

19

Time to consume motor cost in days
(16 hours per day)

29

29

29


0


29

29

29

Time to consume motor cost in days
(8 hours per day)

57

58

58


0


57

58

58











Lifetime running cost based on 10 years 24 hours per day

£314,521.28

£310,556.72

£308,611.69


£311,210.53


£3,310.75

-£653.80

-£2,598.84


e: paul.dudley@siemens.com