IP68
RATING
Curves
DC axial fans
Series 630 U 60 x 60 x 25 mm
Highlights:
– Motor protection against reverse polarity and locking.
– Air exhaust over struts
– Connection via 310 mm strands AWG 22, TR 64, bared and tin-plated
– Ingress protection rating of IP68
Material: Housing: Fiberglass-reinforced PBT composite
Impeller: Fiberglass-reinforced PA composite
Direction of rotation: Clockwise, seen on rotor
Nominal Data
Air flow
Nominal voltage
Voltage range
Sound pressure level
Sound power level
Ball bearings
Power input
Speed
Temperature range
Mass
Ingress Protection Rating
UL Approval
Curves
Type CFM VDC VDC dB(A) Bel(A)
Watts RPM oC g
632 NU 23.5 12 6...15 34 5.1 Yes 1.8 5900 -20...70 70 IP68 Yes 1
634 NU-004* 23.5 24 12...30 34 5.1 Yes 1.6 5900 -20...70 70 IP68 Yes 1
632/2HPU 25.9 12 11...13 35 5.4 Yes 1.5 6300 -20...70 70 IP68 Yes 2
634 HHU 34.1 24 18...28 44 6.1 Yes 3.2 8500 -20...70 70 IP68 Yes 3
1.0 (25.4
±0.3
)
0.12 (3±0.2)
0.12 (3±0.2)
310 (12.2)*
0.24 (6±1)
1.97 (50
±0.2
)
2.36 (60
±0.3
)
0.17 (4.3
±0.15
)
0.17 (4.3
±0.15
)
Ø2.52
(64)
2.28 (58)
1.97 (50
±0.2
)
*634 NU-004 has 400mm lead wires.
[in. H2O]
[CFM]
p
V
•
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0510 15 20 25 30 35
3
1
2
7
