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Model Number RAM1278B1(P5B), RAM1278B1(P5B) 127 x 127 x 38 mm 230 V AC Fan
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Sleeve bearing fans are also available.
All fans can be specified with lead wires or terminal connectors.




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
230.0 V

Frequency
50/60 Hz

Power
20/19 Watts

Current
0.12/0.10 A

Speed
2350/2550 rpm

Airflow (Q)
2.90 m³/min
3.10 m³/min
104.00 cfm
110.00 cfm

Pressure (P)
4.60 mmAq
5.60 mmAq
0.18 inH2O
0.22 inH2O

Noise
41/43 dBA

Range (VAC)
220~240

Type
Plastic Frame


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


 MORE IMAGES 

·  Static Pressure Conversion Table

·  Air Flow Conversion Table

·  Fahrenheit/celsius/kelvin Conversion Table


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