OS77D
Image:
- Compact design
- Field adjustable set points
- High noise immunity
Product Overview:
Description
The OS77D Series single set point speed switch is a compact all-electronic speed
sensing module. It can be panel mounted via its trip set point potentiometer. It is
field adjustable and gives a transistor output when tripped. Relay models available.
Models are available with Normally Open or Normally Closed circuit and with or
without re-crank feature which inhibits starter re-engagement until the engine
speed is near zero RPM.
Application
Overspeed shutdown: Activates engine shutdown circuit on engine overspeed.
Operate PTO's or drive circuits: Engage or disengage engine PTO, 4-wheel drives,
or other control circuits according to RPM monitored.
Disconnect engine cranking when engine starts.
