Operating instructions
K3G250-RO44-20
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
3100
Power consumption / W
310
Current draw / A
1.6
@ 200 V
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
/ %
53.8
46.2
02 Measurement category
A
03 Efficiency category
Static
04 Efficiency grade N
69.6
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-RO44-20
09 Power consumption P
ed
/ kW
0.31
09 Air flow q
v
/ m³/h
1005
09 Pressure increase total p
sf
/
Pa
533
10 Speed (rpm) n / min
-1
3135
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
Size
250 mm
Motor size
84
Rotor surface
Painted black
Electronics housing
material
Die-cast aluminum
Impeller material
PA66 UL plastic, sheet-metal plate
painted black
Support plate material
Sheet aluminum
Spacer material
Aluminum
Inlet nozzle material
Sheet aluminum
Guard grille material
Steel, coated with white-aluminum plastic
(RAL 9006)
Number of blades
7
Direction of rotation
Clockwise, viewed toward rotor
Degree of protection
IP20
Insulation class
"B"
Moisture (F) /
Environmental (H)
protection class
H0 - dry environment
Installation position
Shaft horizontal or rotor on top; rotor on
bottom on request
Condensation
drainage holes
None
Mode
S1
Motor bearing
Ball bearing
Technical features
- Operation and alarm display with LED
- Integrated PID controller
- Motor current limitation
- PFC, active
- RS485 MODBUS-RTU with DCI
function
- Soft start
- Control interface with SELV potential
safely disconnected from the mains
- Thermal overload protection for
electronics/motor
- Line undervoltage / phase failure
detection
Touch current
according to IEC
60990 (measuring
circuit Fig. 4, TN
system)
<= 3.5 mA
Electrical hookup
Plug
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
CSA C22.2 No. 113; EAC; UL 507
Item no. 58126-5-9970 · ENU · Change 224212 · Approved 2021-02-11 · 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