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DIESEL ENGINE CONTROL AND GENERATOR EQUIPMENTS >> FW MURPHY Process Monitoring Instruments >> Speed/Time Sensors and Instruments
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FW MURPHY Process Monitoring Instruments
Level Maintainers
Level Switches
Pressure Sensors and Instruments
Speed/Time Sensors and Instruments
- TM series Hourmeters
- ATS, ATA, ATHA, ATHS Tachometers and Tach/Hourmeters
- MT90 Digital Tachometer
- MTH6 Digital Tachometer and Hourmeter
- SHD30 / SHD30-45
- 3ST Speed Switch Relay
- MP Series Magnetic Pickups
- HD9063, OS77D, SS300 Electronic Speed Switches
Temperature Sensors and Instruments
3ST Speed Switch Relay



The 3ST provides three independent speed relays in one compact unit. The relay outputs - designated crank, underspeed and overspeed - provide semi-automatic control and protection for industrial engine applications.

Engine speed is measured in conjunction with an engine mounted transducer, typically a magnetic pickup. Each of the 3 non-latching relays can be set to operate at a preset level; front facia LEDs indicate the state of each relay.

http://www.rekarma.com.tr/yonetim/urunresimb/709_1.jpg

Features:

  • 3 independent relay outputs:
    S1 (crank), S2 (underspeed), S3 (overspeed)
  • Field adjustable set points
  • LED indication of relay state
  • 0 - 1mA output for calibration or tachometer
  • DIN rail mounted case with screw terminals
  • 24VDC (3ST/1) or 12VDC (3ST/2) variants



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Catalogues and Technical Specs
 3ST Speed Switch Relay




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