User Manual
Operating instructions
K3G355-BC92-02
Translation of the original operating instructions
3.2 Nominal data
Motor M3G112-IA
Phase 3~
Nominal voltage / VAC 400
Nominal voltage
range / VAC
380 .. 480
Frequency / Hz 50/60
Type of data definition ml
Speed / min
-1
2800
Power input / W 2250
Current draw / A 3.5
Min. ambient temperature
/ °C
-25
Max. ambient
temperature
/ °C
55
ml = Max. load · me = Max. efficiency · fa = Running at free air
cs = Customer specs · cu = Customer unit
Subject to alterations
3.3 Data according to ErP directive
Installation category A
Efficiency category Static
Variable speed drive Yes
Specific ratio
*
1.01
*
Specific ratio = 1 + pfs / 100 000 Pa
Actual Request
2013
Request
2015
Overall efficiency ηes / % 63.9 51.2 55.2
Efficiency grade N 70.7 58 62
Power input Ped / kW 2.24
Air flow qv / m³/h 4680
Pressure increase total psf / Pa 1038
Speed n / min
-1
2825
Data definition with optimum efficiency.
The ErP data is determined using a motor-impeller combination in a standardised
measurement configuration.
3.4 Technical features
Mass 25.4 kg
Size 355 mm
Surface of rotor Coated in black
Material of electronics
housing
Die-cast aluminium
Material of impeller Aluminium sheet
Material of mounting
plate
Sheet steel, galvanised
Material of support
bracket
Steel, coated in black
Material of inlet nozzle Sheet steel, galvanised
Number of blades 7
Direction of rotation Clockwise, seen on rotor
Type of protection IP 54
Insulation class "B"
Humidity class F4-1
Mounting position Shaft horizontal or rotor on bottom; rotor
on top on request
Condensate discharge
holes
Rotor-side
Operation mode S1
Motor bearing Ball bearing
Technical features - Output 10 VDC, max. 10 mA
- Output 20 VDC, max. 50 mA
- Output for slave 0-10 V
- Operation and alarm display
- Input for sensor 0-10 V or 4-20 mA
- External 24 V input (programming)
- External release input
- Alarm relay
- Integrated PID controller
- Motor current limit
- PFC, passive
- RS485 MODBUS RTU
- Soft start
- Control input 0-10 VDC / PWM
- Control interface with SELV potential
safely disconnected from the mains
- Over-temperature protected
electronics / motor
- Line undervoltage / phase failure
detection
Touch current acc.
IEC 60990 (measuring
network Fig. 4, TN
system)
<= 3.5 mA
Electrical leads Via terminal box
Motor protection Thermal overload protector (TOP) wired
internally
Protection class I (if protective earth is connected by
customer)
Product conforming
to standard
EN 61800-5-1; CE
Approval EAC; UL 1004-7 + 60730
For cyclic speed loads, note that the rotating parts of the device
are designed for maximum one million load cycles. If you have
specific questions, contact ebm-papst for support.
3.5 Mounting data
; Secure the mounting screws against accidentally coming loose (e.g.
by using self-locking screws).
Strength class for
mounting screws
8.8
You can obtain additional mounting data from the product drawing if
necessary.
Item no. 52485-5-9970 · ENG · Revision 82547 · Release 2014-05-08 · Page 5 / 12
ebm-papst Mulfingen GmbH & Co. KG · Bachmühle 2 · D-74673 Mulfingen · Phone +49 (0) 7938 81-0 · Fax +49 (0) 7938 81-110 · info1@de.ebmpapst.com · www.ebmpapst.com