Diaphragm pump N680 EX
Technical data
Translation of Original Operation and Installation Instruction, english, KNF 325438 02/22
15
Other parameters
Parameter
Value
Permissible ambient temperature
[°C]
+5 to +40
Permissible media temperature [°C] +5 to +40
Dimensions
N680.1.2 EX
See , Chapter
Gas tightness* of the pump head
< 6 x 10
-3
mbar l/s
Protection class of pump
IP 20
Noise**
< 95 dB (A)
Tab.13 *
The gas tightness of the pump head is no longer ensured after the pump
head is opened or after replacing diaphragm and valve plates/seals. A leak test
can be used to determine whether the original gas tightness is achieved again.
**Max. emission sound pressure level over the entire pressure range with gas con-
nections attached
Electrical data
Parameter
Value
Voltage [V]
See drive type plate
Frequency [Hz]
Power P
1
[W]
Max. current consumption [A]
Drive protection class
Fuse (PTC thermistor sensor)
See type plate and operating in-
structions for motor
Max. permissible supply voltage
fluctuations
See operating instructions for drive
Relative air humidity
80% for temperatures to 31 °C, de-
creasing linearly to 50% at 40 °C
(non-condensing).
Max. installation altitude
See operating instructions for drive
Tab.14
Weight
Pump type
Value [kg]
N680.1.2
Approx. 101
Tab.15
Coupling
Parameter
Value
EX-designation
II 2G h IIC T6…T4 Gb
Size
24
Tab.16
