Operating instructions
K3G250-AT39-72
Translation of the original operating instructions
3.2 Nominal data
Motor
M3G084-DF
Phase
1~
Nominal voltage / VAC
230
Nominal voltage
range / VAC
200 .. 277
Frequency / Hz
50/60
Method of obtaining
data
ml
Speed (rpm) / min
-1
3000
Power consumption / W
448
Current draw / A
2.8
Min. ambient
temperature / °C
-25
Max. ambient
temperature / °C
40
ml = Max. load · me = Max. efficiency · fa = Free air
cs = Customer specification · ce = Customer equipment
Subject to change
3.3 Data according to Commission Regulation (EU) 327/
2011
Actual
Req. 2015
01 Overall efficiency η
es
/ %
55.8
48
02 Measurement category
A
03 Efficiency category
Static
04 Efficiency grade N
69.8
62
05 Variable speed drive
Yes
06 Year of manufacture
The year of manufacture is specified on the
product's rating label.
07 Manufacturer
ebm-papst Mulfingen GmbH & Co. KG
Amtsgericht (court of registration) Stuttgart ·
HRA 590344
D-74673 Mulfingen
08 Type
K3G250-AT39-72
09 Power consumption P
ed
/ kW
0.46
09 Air flow q
v
/ m³/h
1595
09 Pressure increase total p
sf
/
Pa
522
10 Speed (rpm) n / min
-1
2840
11 Specific ratio
*
1.01
12 Recycling/disposal
Information on recycling and disposal is
provided in the operating instructions.
13 Maintenance
Information on installation, operation and
maintenance is provided in the operating
instructions.
14 Additional components
Components used to calculate the energy
efficiency that are not apparent from the
measurement category are detailed in the
CE declaration.
*
Specific ratio = 1 + p
fs
/ 100 000 Pa
Data obtained at optimum efficiency level. The ErP data is determined using a motor-impeller
combination in a standardized measurement setup.
3.4 Technical description
Weight
8.7 kg
Size
250 mm
Motor size
84
Rotor surface
Painted black
Electronics housing
material
Die-cast aluminum
Impeller material
Sheet aluminum
Support plate material
Sheet steel, hot-dip galvanized
Support bracket
material
Steel, coated with black plastic
Inlet nozzle material
Sheet steel, hot-dip galvanized
Number of blades
7
Direction of rotation
Clockwise, viewed toward rotor
Degree of protection
IP54
Insulation class
"B"
Moisture (F) /
Environmental (H)
protection class
H1
Installation position
Shaft horizontal or rotor on bottom; rotor
on top on request
Condensation
drainage holes
On rotor side
Mode
S1
Motor bearing
Ball bearing
Technical features
- Control input 0-10 VDC / PWM
- Output 10 VDC, max. 1.1 mA
- Thermal overload protection for
electronics/motor
- Alarm relay
- Line undervoltage detection
- Motor current limitation
- Soft start
Touch current
according to IEC
60990 (measuring
circuit Fig. 4, TN
system)
<= 3.5 mA
Motor protection
Thermal overload protector (TOP)
internally connected
with cable
Variable
Protection class
I (with customer connection of protective
earth)
Conformity with
standards
EN 61800-5-1; CE
Approval
CCC; EAC
With regard to cyclic speed loads, note that the rotating parts of
the device are designed for a maximum of one million load
cycles. If you have special questions, consult ebm-papst for
support.
;
Use the device in accordance with its degree of protection.
Item no. 50585-5-9970 · ENU · Change 213957 · Approved 2020-07-14 · Page 5 / 11
ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · D-74673 Mulfingen · Phone +49 (0) 7938 81-0 · Fax +49 (0) 7938 81-110 · [email protected] · www.ebmpapst.com