NAVFAC P-8-629-34

TM-07536A-35

Operating Temperature

Range

Functions

Operating speed

Element 1

Element 2

Element 3

Weight

Overall dimensions

2. Over Voltage Relay

DOD Drawing Number

Manufacturer

Part Number

Nominal Voltage

+ 150°F to -65°F (65.6°C to -53.9C)

Disconnects starter, flashes generator field,
and energizes precise governor on precise
generator sets.

Switch rotates at half of engine speed.

Starter disconnect and field flash. SPDT contact arrangement. 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
sets not utilized on utility generator sets.

SPST contacts close at 590-610 RPM rising switch
speed. Automatic reset 100 RPM maximum
below trip speed. Contact rating 10 amperes
inductive at 28 VDC.

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.) (.680 kg)
2.60 dia. x 8.00 inches (approx.)
(6.604 x 2.032 cm)

70-1138

Electromagnetic Industries, Inc.
Clearwater, Florida

11486

120 volts, 50 to 450 hertz