Ulvac MD 4U NT - Technical Data

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No. 47800-2-02-5
Technical data
We reserve the right for technical modications without prior notice!
Type MD 4U NT
Maximum pumping speed 50/60 Hz (ISO 21360) m
3
/h 3.8 / 4.3
Ultimate vacuum (absolute) without gas ballast mbar 1
Ultimate vacuum (absolute) with gas ballast mbar 3
Maximum permissible inlet pressure (absolute) bar 1.1
Maximum permissible outlet pressure (absolute) bar 1.1
Maximum permissible pressure (absolute) at
gas ballast valve
bar 1.2
Permissible ambient temperature
storage / operation
°C -10 to +60 / +10 to +40
Permissible relative atmospheric moisture during
operation
(no condensation)
% 30 to 85
Rated motor power kW 0.25
No-load speed 50/60 Hz min
-1
1500 / 1800
Maximum permissible range of supply voltage
(+/- 10% ) dual voltage motor
Attention: Observe specications on rating
plate!
100-115 V~ 50/60 Hz
120 V~ 60 Hz
200-230 V~ 50/60 Hz
Maximum rated current at:
100-115 V~ 50/60 Hz 120 V~ 60 Hz
200-230 V~ 50/60 Hz
A
A
5.7
3.0
Device fuse slow blow fuse 6.3A
Motor protection thermal cutout, manual reset
Degree of protection IEC 529 IP 40
Inlet small ange KF 16
Outlet silencer
Dimensions L x W x H approx. mm 325 x 239 x 198
Weight approx. kg 16.4