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  TO 35 C2-3-442-2
P-9-TM-457-35
TM 5-6115-457-34
TM-07464A-35
4.
Under Frequency Relays
(a) 400 hertz generator sets
70-1141
DOD Drawing Number
Electromagnetic Industries Inc.
Manufacturer
C l e a r w a t e r , Florida
Wilmar Electronics Inc.
Torrance, California
Manufacturer's Part Number 23370 (Electromagnetic Ind.) 20-350-1 (Wilmar
Electronics
120 volt, 400 hertz, 200 milliamperes, maximum
Nominal Input
370 ± 0.5 hertz at 120 volt and 75%
Trip Frequency
Temperature Range
-65° F to +170° F
Service Life
5000 hours minimum
Contact Arrangement
Contacts 3 and 4 normally closed.
Contacts 5 and 6 normally open.
Contact Rating
10 ampere resistive or 5 ampere inductive, 28 VDC.
Weight
1 pound (approx.)
3.09 x 3.44 x 2.66 inches (approx.)
Overall dimensions
(b) 50/60 hertz generator sets
70-1119
DOD Drawing Number
Manufacturer
Electromagnetic Industries, Inc.
C l e a r w a t e r , Florida
Wilrnar Electronics, Inc.
Torrance, Cal ifornia
Manufacturer's Part Number 11638 (Electromagnetic Ind.) 20-050-5 (Wilrnar
Electronics)
Nominal Input
120 volt, 50 or 60 hertz, 200 milliamperes, max.
Trip Frequency
46 hertz for 50 hertz operation or 55 hertz
for 60 hertz operation at 120 volts and 75° F
Trip Frequency Selections
Switching between terminals 7 and 8. Switch
closed for 50 hertz operation and open for 60
hertz operation.
Voltage Input Limits
± 10 percent of nominal
Change 10
1-5
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