11938MB

AC fan motors driven by AC voltage rotate fans to cool the inside of industrial machines and other equipment instruments and exhaust the heat outside. AC fan motors use ball bearings manufactured in-house by Minebea.

Notes: The Air Flow in the table shows the average values in free air.

General Specifications

Motor Structure:Shaded Pole Induction Motor
Motor Protection:Impedance Protection
Insulation Resistance:Min 100M ohm by DC 500V Megger
Dielectric Withstand Voltage:AC1800V 3s
Allowable Ambient Temperature Range:
-10deg.C - +70deg.C (Operating)
-40deg.C - +70deg.C (Storage)
non-condensing environmentOld model name:4715MS

Click the arrow icon in the table below to switch from ascending to descending order.

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Model	Nominal Voltage [V]	Frequency [Hz]	Starting Voltage [V]	Current [A]	Input Power +10%/-20% [W]	Speed [min-1]	Max. Air Flow [m3/min]	Max. Air Flow [CFM]	Max. Static Pressure [In H2O]	Noise [dB]	Mass [g]
11938MB-A0N-EA-	100	50	65	0.270	15.0	2600	2.50	89.3	0.26	37.0	550
11938MB-A0N-EA-	100	60	65	0.230	14.0	2900	2.90	103.6	0.31	41.0	550
11938MB-A1N-EA-	115	50	65	0.250	15.5	2600	2.50	89.3	0.26	37.0	550
11938MB-A1N-EA-	115	60	65	0.210	14.5	2900	2.90	103.6	0.31	41.0	550
11938MB-B0N-EA-	200	50	130	0.140	15.0	2600	2.50	89.3	0.26	37.0	550
11938MB-B0N-EA-	200	60	130	0.120	13.0	2900	2.90	103.6	0.31	41.0	550
11938MB-B2N-EA-	220	50	145	0.120	14.0	2600	2.50	89.3	0.26	37.0	550
11938MB-B2N-EA-	220	60	145	0.100	13.0	2900	2.90	103.6	0.30	41.0	550
11938MB-B3N-EA-	230	50	175	0.120	15.0	2600	2.50	89.3	0.26	37.0	550
11938MB-B3N-EA-	230	60	175	0.100	14.0	2900	2.90	103.6	0.28	41.0	550
11938MB-B4N-EA-	240	50	140	0.110	14.0	2600	2.50	89.3	0.26	37.0	550
11938MB-B4N-EA-	240	60	140	0.100	13.0	2900	2.90	103.6	0.26	41.0	550

Rotation: Counterclockwise as seen from the label side
Airflow Outlet: Label side
*1: Average Values in Free Air
*2: Maximum Values in Free Air
*3: Minimum Values in Free Air

Outline

Material

Casing:Aluminum (Black Painting)
Impeller:Plastic (Black) UL94V-0
Bearing:Ball Bearing
Terminal:Faston #110 or Equiv
* Lead Wire type is also available.

Lead Wire:UL3266, AWG22