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8. Specifications
8.1 Specifications
Model DIS-252
Displacement
50Hz
250
L/min
60Hz
300
Ultimate pressure Pa
≦
1.6
Leak tightness Pa
・
m
3
/s
≦
1.0x10
-7
Max. inlet pressure Atmospheric pressure
Ambient operating temperature
℃
5~40
Motor
Type
Single-phase induction motor
Totally-Enclosed No Ventilated,
4-pole,Insulation Class B, IP44
Capacitor start, run,
Thermal Protector TP212,
Automatic reset type
Three-phase induction motor,
Totally-Enclosed No Ventilated,
4-pole, Insulation Class B, IP44
Output kW 0.4
Voltage V
100 115 200 230 200 208 230 380 400 415 460
Rated current 50Hz
4 . 8
−
2 . 6 2 . 4 1 . 6
− −
0 . 9 0 . 9 1 . 0
−
A 60Hz
4 . 8 4 . 3 2 . 8 2 . 4 1 . 9 1 . 9 1 . 8
− − −
1 . 0
Revolution 50Hz
1440
−
1430 1450 1420
− −
1440 1440 1440
−
min
-1
{rpm} 60Hz
1710 1740 1700 1730 1660 1660 1690
− − −
1720
Noise emission value
Sound pressure level dB(A)
1m
≦
58 ( With air-flush ON:
≦
66 )
Surface 58 ( Uncertainty:3 )
Inlet connection NW25
Outlet connection NW16
Direction of inlet Vertical
Dimensions mm
L×W×H
397×264×338 367×264×338
Mass kg 25 23
Cooling system Air-cooled
Others With hour counter and air-flush
Note 1
：
Pumping speed and ultimate pressure should remain the same whether air-flush system is used or not.
Note 2
：
Maximum voltage allowance is + or - 10% from motor rating.
Note 3
：
Noise emission value is measured at ultimate pressure.
Note 4
：
Noise emission value (1m) is measured at 1m from the product surface in an anechoic room.
Note 5
：
Noise emission value (Surface) determined according to noise test code given in ISO 3744 and according
described to ISO 4871. The sum of a measured noise emission value and its associated uncertainty
represents an upper boundary of the range of values which is likely to occur in measurements.
Note 6
：
Leak tightness is measured while the product is stopped and air flush is shut off (closed).
Note 7
：
Vapor handling volume is no more than 25g/day (at 25
℃
60%RH) with air-flush operation.
Air-flush flow rate is 10L/min.
Note 8
：
This product is wired for 200V at the factory.
Note 9
：
This three-phase motor is not equipped with motor protection device.
Install branch circuit protection device for safety. Consult to qualified electrician for details.
Note 10
：
This product is designed for indoor use. Install the product away from moistures or excessive humidity.
Note 11
：
All data shown in this literature were measured based on our test standard and specific conditions.
Actual measurements are subject to change of conditions of use.
Note 12
：
The specification might change without a previous notice for the quality improvement.
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