P - 9 - T M - 4 5 7 - 3 5 T. O. 35C2-3-442-2
TM-07464A-35 TM 5-6115-457-34
+ 150 F to -65 F
Operating Temperature
Range
Disconnects starter, flashes generator field,
Functions
and energizes precise governor on precise
generator sets.
Switch rotates at half of engine speed.
Operating speed
Starter disconnect and field flash. SPDT contact
Element 1
a r r a n g e m e n t . Contacts transfer at 290-310 RPM
rising switch speed. Automatic reset 100 RPM
maximum below trip speed. Contact rating 3
ampere inductive at 28 VDC.
Energizes precise governor on precise generator
Element 2
sets. Not utilized on utility generator sets. SPST
contacts close at 590-610 RPM rising switch speed
on 60 hertz sets, and 825-850 RPM rising switch
speed on 400 hertz sets. Automatic reset 100
RPM maximum below trip speed. Contact rating
10 amperes inductive at 28 VDC.
Element 3
Overspeed. Two separate SPST contact sets;
one open, one closed. Transfers at 1200-1225
RPM rising switch speed. Manual reset by
button on rear of switch. Contact rating 10
amperes inductive at 28 VDC.
1.50 pounds (approx.)
Weight
2.60 dia. x 8.00 inches (approx.)
Overall dimensions
2. Over Voltage Relay
70-1138
DOD Drawing Number
Electromagnetic Industries, Inc.
Manufacturer
C l e a r w a t e r , Florida
11486
Manufacturer's Part Number
120 volts, 50 to 450 hertz
Nominal Voltage
Voltage Trip Point
0
Trip at 156 volts - volts
50 to 100 hertz operation
2
0
Trip at 151 volts volts
350 to 450 hertz operation
2
1 pound (approx.)
Weight
3 . 0 9 x 3 . 4 4 x 2 . 6 6 inches (approx.)
Overall dimensions
Change 7 1-3
