11938SB

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:Thermal Protection
Insulation Resistance:Min 100M ohm by DC 500V Megger
Dielectric Withstand Voltage:AC1800V 3s
Allowable Ambient Temperature Range:
-10deg.C - +65deg.C (Operating)
-40deg.C - +70deg.C (Storage)
non-condensing environmentOld model name:4715HS

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]
11938SB-A0N-NP-	100	50	65	0.370	18.0	2600	2.60	92.9	0.38	40.0	570
11938SB-A0N-NP-	100	60	65	0.290	15.5	3100	3.00	107.1	0.40	44.0	570
11938SB-A1N-NP-	115	50	75	0.320	18.0	2600	2.60	92.9	0.38	40.0	570
11938SB-A1N-NP-	115	60	75	0.250	15.5	3100	3.00	107.1	0.40	44.0	570
11938SB-B0N-NP-	200	50	130	0.180	18.0	2600	2.60	92.9	0.38	40.0	570
11938SB-B0N-NP-	200	60	130	0.150	15.5	3100	3.00	107.1	0.40	44.0	570
11938SB-B2N-NP-	220	50	145	0.160	18.0	2600	2.60	92.9	0.38	40.0	570
11938SB-B2N-NP-	220	60	145	0.130	15.5	3100	3.00	107.1	0.40	44.0	570
11938SB-B3N-NP-	230	50	175	0.160	18.0	2600	2.60	92.9	0.38	40.0	570
11938SB-B3N-NP-	230	60	175	0.120	15.5	3100	3.00	107.1	0.40	44.0	570
11938SB-B4N-NP-	240	50	175	0.150	18.0	2600	2.60	92.9	0.38	40.0	570
11938SB-B4N-NP-	240	60	175	0.120	15.5	3100	3.00	107.1	0.40	44.0	570

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
* Potting type (dust & water-proof type) is also available.

* Lead Wire type is also available.

Lead Wire:UL3398 AWG22