Page 6 of catalogue EC centrifugal fans backward curved of ebm-papst Mulfingen GmbH & Co. KG

EC Centrifugal fans
backward curved, Ø 175
– Material: Impeller: PA plastic 6.6, fibreglass-reinforced Rotor: Galvanised – Number of blades: 7 – Direction of rotation: Clockwise, seen on rotor – Type of protection: IP 22 – Insulation class: "B" – Mounting position: Any – Condensate discharges: None – Mode of operation: Continuous operation (S1) – Bearings: Maintenance-free Ball bearings

Sound pressure level

Perm. amb. temp.

Nominal data
Type R1G 175 R1G 175
subject to alterations

Motor M1G 055-BD M1G 055-BD
A

VDC 24 48

VDC 16-28 36-57

m3/h 565 565

rpm 3100 3100

W 34 34

A 1.60 1.00

dB(A) 65 65

°C -25 to +60 -25 to +60

p. 600 G) G)

A

Electr. connection

Nominal voltage

Voltage range

Current draw

Power input

Speed/rpm

Air flow

Curve

Curves
[Pa] [in H2O] A A A A 1’ 2’ 3’ 4’ 1 2 3 4 5 6 7 8 9 10 11 12

n [rpm] 3390 3200 3170 3300 3100 2910 2880 3010 2520 2430 2390 2470 2050 1950 1920 1990

P1 [W] 46 51 51 51 34 39 39 37 20 22 23 21 12 13 13 12

LpA [dB(A)] 67 60 58 66 65 58 56 64 60 54 51 60 56 50 56 53

␩tL [%] — 49 58 39 — 49 58 39 — 51 58 39 — 51 58 40

400
1,5

A A A 4'

UR

A A

300
4 1,0

UN
3' 3 8

A A A

200

A A

7 0,5
12

A 2' 2 A A 6
10

100
11

9 0 100 200

5 300

1

1' [CFM]

100

200

300

400

500

600

[m3/h]

226