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BD MOTORS

A-2400

DC Permanent Magnet Motors

general design specification
power rating: .022 hp (16.4 W)
voltage: 6 to 115 VDC
weight: 9 ounces (255 grams)
armature: Dynamically balanced
inertia: 3.7 x 10-4 oz. in. sec.2
electrical time constant: 0.5 milliseconds max
mechanical time constant: 25.0 milliseconds max
typical no load torque: 0.65 oz. in.
protection: Varnish impregnated
shaft: Precision-ground, through-hardened (RC 40-50) 420
stainless steel per ASTM A582. Options: length, smaller
diameter, flats, pinions, gears, holes (through or tapped),
threaded ends and tapers. Type of steel used may change
depending upon variation selected

magnets: Alnico V
bearings: Double-shielded, life-lubricated for -55°C to +85°C
operation. Special lubricants available for temperature
extremes

cables/leads: 8" shielded cable per MIL-C-7078 #22 AWG

Dimensions

conductors per MIL-W-16878/4

cover: Aluminum
frame: Die-cast aluminum
marking: Per MIL-STD-130
life: 1,000 hours continuous duty for 27 VDC units
2.560 MAX
.078
.500

.1875
.1872 DIA

6-32 UNC-2B
.281 MIN DEPTH
(2 MOUNTING HOLES)

winding temperature rise: 5.5°C per watt w/8.00" x

.562
.562

8.00" x .25" aluminum heat sink

winding insulation rating: 130°C (higher temperature
.750
.749 DIA

windings available)

1.500
DIA

options available:

.060 MAX

• Gear train (see A-2430 for details)
• RFI filters to meet MIL-I-6181, MIL-I-26600 or MIL-STD-461
• Integral tachometer generators (see Bulletin A-2415)

ROTATION (VIEWED FROM SHAFT END)
CCW - POSITIVE VOLTAGE TO RED (+), NEGATIVE VOLTAGE TO BLACK (–)
CW - REVERSE POLARITY

NOTE: Consult factory prior to preparing spec control prints. Dimensions are for reference only
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