Military/Aerospace AC Motors and Gearmotors FC0 pages
FC MOTORS
B-2700
AC Hysteresis Synchronous and Induction Motors
general design specification: MIL-M-7969
power rating:
Induction — Up to 2.5 oz. in.
Hysteresis Synchronous — Up to 1.2 oz. in.
voltage and frequency: 115 and 200 VAC @ 400 Hz
weight: 11.5 ounces
inertia:
Induction — 2.4 x 10-4 oz. in. sec.2
Hysteresis Synchronous — 2 Pole: 1.7 x 10-4 oz. in. sec.2
— 4 Pole: 1.4 x 10-4 oz. in. sec.2
— 6 Pole: 1.3 x 10-4 oz. in. sec.2
shaft: Precision-ground 416 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
bearings: Double-shielded, life-lubricated for –55°C to + 85°C
operation. Special lubricants available for temperature
extremes
cables/leads: 8" #26 AWG leads per MIL-W-16878/4
housing: Aluminum
marking: Per MIL-STD-130
Dimensions
life: 200 to 1,000 hours continuous duty depending upon the
voltage, frequency and number of poles
options available:
• Gear train (see B-2730 for details)
• Electromechanical brakes
• Lengths. FC motors are available in 4 lengths with output
torque being proportional to length as follows:
TYPE
FC (Standard)
FCS
FCL
FCLL
2.250 MAX
TORQUE
See Chart, opposite page
0.5 x standard torque
1.5 x standard torque
2.0 x standard torque
6-32 UNC-2B
.187 MIN DEEP
(2 HOLES)
.125
.656
1.376 DIA
1.374
1.687
MAX DIA
LENGTH
(in.)
2.25
1.75
2.75
3.25
.338
.338
.2497
.2501
NOTE: Consult factory prior to preparing spec control prints. Dimensions are for reference only
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© 1/01 Globe Motors