GTR-168 Generator Controller


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Controller Description

GTR-168 is low cost but multi-function diesel engine generator controller. It applies a
key switch and provides 3 kinds of operation mode: Manual, Auto, Off. No special training is
required due to the easy operation. Fault protection includes: Emergency stop, Over speed,
High water temperature, Low oil pressure, and Over crank. GTR-168 also displays the low
battery voltage warring, and indicates the running status and power status.GTR-168 equips
with high firm continental-type terminal that provides easy plug in and removal.
Furthermore, GTR-168 has 10 pins Dip switch for adjusting parameter according to system
requirements, and make it not only reducing stock but also meeting the various system
specifications. GTR-168 build-in 5 output powers relays which perform high power capacity
reach to 5 Amp (DC) that saves the wring for connection with extra power relays. No matter
in function, protection or operation performance. GTR-168 is your best choice.

LED Indication

  •  Emergency / Auxiliary Shutdown
  •  Low Battery Warning
  •  Over Speed Shutdown
  •  High Water Temperature Shutdown
  •  Low Oil Pressure Shutdown
  •  Over Crank
  •  Run
  •  Power

Operation Key Switch

Auto Start function by detect ATS terminal 12 grounded.

Stop running engine or stand still / Reset Alarm.

Manual start engine directly.


DC supply:8~36 VDC
Power Consumption:Max.5 W
Measuring Frequency:0~75 Hz (min AC Volt.25V ; max AC Volt. 300V)

Relay Output :

Start output:5A
Valve output:5A
Idle / Pre-heat output:5A
Alarm Output:5A
Stop output:5A
Ambient Temperature Range:-10 ℃ ~ 60 ℃
Dimension (W * H * D):72mm × 72 mm × 58 mm
Panel cut-out (W * H):68 mm × 68 mm
Weight:190g (0.42 lb.)
Protections and parameters:
Auxiliary shutdown protection : 1 Sec., Normal Close
Low battery warning : 5 Sec., 10.5 / 21 VDC
Over speed protection : 2 Sec.,55/66Hz
High water temp. protection : 2 Sec., Normal Open
Low oil pressure protection: 2 Sec., Normal Open / Normal Close
Over crank : 3 attempts
Cranking speed up limited : 0.5 Sec ., 20Hz
Safety on timer: 5 Sec (*)
(*) All alarms are ignored until safety on timer expired, except the emergency stop and over speed.