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Operating instructions – ebm-papst W1G250-HH37-52 User Manual

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Operating instructions

W1G250-HH37-52

Translation of the original operating instructions

3.2 Nominal data

Motor

M1G074-BF

Nominal voltage / VDC

24

Nominal voltage
range / VDC

16 .. 28

Type of data definition

fa

Speed / min

-1

2750

Power input / W

105

Current draw / A

5.0

Max. back pressure / Pa

140

Min. ambient temperature
/ °C

-25

Max. ambient
temperature
/ °C

60

ml = Max. load · me = Max. efficiency · fa = Running at free air

cs = Customer specs · cu = Customer unit

Subject to alterations

3.3 Technical features

Mass

2.4 kg

Size

250 mm

Surface of rotor

Coated in black

Material of blades

Sheet steel, coated in black

Material of wall ring

Die-cast aluminium

Number of blades

7

Direction of air flow

"V"

Direction of rotation

Counter-clockwise, seen on rotor

Type of protection

IP 42

Insulation class

"B"

Humidity class

F0

Mounting position

Any

Condensate discharge
holes

None

Operation mode

S1

Motor bearing

Ball bearing

Technical features

- Control input 0-10 VDC / PWM
- Tach output
- Motor current limit
- Soft start

Electrical leads

Via terminal strip

Motor protection

Reverse polarity and locked-rotor
protection

Product conforming
to standard

EN 60950-1

Approval

CSA C22.2 Nr.77; EAC; UL 1004-1

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.

3.4 Mounting data

For depth of screw, see chapter 3.1 Product drawing
; 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.

3.5 Transport and storage conditions

; Use the device in accordance with its protection type.

Max. permissible
ambient motor temp.
(transp./ storage)

+80 °C

Min. permissible
ambient motor temp.
(transp./storage)

-40 °C

3.6 Electromagnetic compatibility

EMC interference
immunity

Acc. to EN 61000-6-2 (industrial
environment)

EMC interference
emission

Acc. to EN 55022 (Class B, household
environment)

Item no. 50339-5-9970 · Revision 82545 · Release 2014-05-08 · Page 5 / 9

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