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Model Number RAH1278B1, RAH1278B1 127 x 127 x 38 mm 220~240 V AC Fan
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  • 127 x 127 x 38 mm (5.0 x 5.0 x 0.98 in).
  • RoHS compliant
  • Aluminum alloy frame
  • PBT UL94-V thermoplastic impeller
  • Voltages from 120 V to 240 V
  • 65 CFM to 130 CFM
  • -10 deg. C to +60 deg. C operating temp.
  • Long operating life
  • CE, UL, listed




Specifications  · Standard Specifications

Specifications

Bearing System
Ball

Size L
127 mm
5 in

Size W
127 mm
5 in

Size D
38 mm
1.5 in

Voltage
220.0 to 240.0 V

Frequency
50/60 Hz

Power
24/21 Watts

Current
0.17/0.14 A

Speed
2500/2800 rpm

Airflow (Q)
3.10 m³/min
3.40 m³/min
108.00 cfm
121.00 cfm

Pressure (P)
6.50 mmAq
6.80 mmAq
0.26 inH2O
0.27 inH2O

Noise
44/46 dBA

Range (VAC)
220~240


Standard Specifications

Dielectric Strength
AC 1500V for 3 sec (<0.5mA allowable between lead and frame).

Insulation Resistance
100 Mohm Min @ DC 500V

Storage Temperature @ 65% Relative Humidity
-40 to +80 ºC

Noise
Measured at rated voltage at 1 meter distance in an anechoic chamber with a background noise of 16dBA max.

Operation Voltage
±10% of rated voltage

Vibration
JIS C0040 amplitude 1.5mm frequency 10-55Hz, 1 hr per axis: X, Z, Y.

Shock
JIS C0041 acceleration 100G, duration 6ms per axis: X, Z, Y.

Life
Life expectancy is 50,000 hours for ball bearings or 30,000 hours for sleeve bearings @ 25ºC, 65% ±20% relative humidity continuous operation.

Safety
Designed to meet UL, cUL, TUV, and CE certification. RoHS compliant.

Insulation
Class B


 DOWNLOADS 

datasheet RA1278
(PDF, 385KB)

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