Vacuubrand MD 1 VARIO-SP User Manual download pdf (Page 24)

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Technical data

Type MD 1 MD 1 VARIO-SP

Maximum pumping speed

(ISO 21360)

cfm

/h)

0.7 / 0.8

(a)

(1.2 / 1.4

(a)

)

1.1 (2400 rpm)

(1.8)

Ultimate vacuum (absolute)

Torr

(mbar)

1.1

(1.5)

< 0.75 (700 rpm)

(< 1.0)

Maximum permissible inlet

pressure (absolute)

psi

(bar)

(1.1)

Maximum permissible outlet

pressure (absolute)

psi

(bar)

(1.1)

Maximum pressure difference

between inlet and outlet

psi

(bar)

(1.1)

Permissible ambient tempera-

ture storage / operation

°F

(°C)

14 to 140 / 50 to 104

(-10 to +60 / +10 to +40)

Permissible relative atmo-

spheric moisture during

operation (no condensation)

% 30 to 85

Maximum permissible

installation altitude

above mean sea level

(m)

6500

(2000)

Rated motor power hp (kW) 0.11 (0.08) 0.09 (0.064)

No-load speed rpm 1500 / 1800

(a)

0 - 2400

(b)

Maximum permissible range

of supply voltage ( ±10% )

Attention:

Observe specications of

rating plate!

100-120 V~

50/60 Hz;

200-230 V~

50/60 Hz;

120V~ 60 Hz

24 V DC

safe extra low

voltage (SELV)

(c)

Maximum rated current at:

100-120 V~ 50/60 Hz

200-230 V~ 50/60 Hz

120 V~ 60 Hz

24 V DC

1.6 / 1.7

0.8 / 0.85

1.7

Motor protection

thermal cutout,

manual reset

(d)

;

MD 1 C/US: addi-

tional fuse 2.5AT

current limitation

(temperature

sensor on the

circuit board)

Degree of protection IEC 529 IP 42

(e)

IP 20

Inlet

hose nozzle for tubing I.D. 1/4” (6 mm)

G 1/8”

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Vacuubrand MD 1 VARIO-SP User Manual Page 24

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