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Action ULTRA SLIMPAK® G168-0001 DC Powered AC Input Limit Alarm

Provides Relay Contact Closures at a Preset AC Input Level.

  • Programmable HI or LO, Failsafe or Non-failsafe
  • Field Configurable Input Ranges
  • LED Trip and Input Indicators
  • Flexible Power Supply Accepts 9 to 30 VDC
  • ASIC Technology for Enhanced Reliability
  • RoHS Compliant


The Ultra Slim Pak G168 is a DIN rail mount, DC powered, AC voltage or current input limit alarm with dual setpoints and two contact closure outputs. The field configurable input and alarm functions offer flexible setpoint capability. Input voltage spans from 100mV to 250VAC and input current spans from 10mA to 100mA AC can be field configured. For current input spans of 1 to 5 Amps a 0.1 Ohm (5W) shunt resistor (Model# C006) is available.

The G168 is configurable as a single or dual setpoint alarm, with HI or LO trips and failsafe or non-failsafe operation. Also included are adjustable deadbands (0.25 to 5% of full scale input) for each setpoint. The G168 will accept any DC voltage between 9 and 30VDC.

The field configurable G168 limit alarm setpoints can be config- ured for HI or LO, failsafe or non-failsafe operation. Each of the setpoints have a respective HI or LO deadband. In a tripped condition, the setpoint is exceeded and the appropriate red LED will illuminate. The trip will reset only when the process falls below the HI deadband or rises above the LO deadband (see Figure 1). For proper deadband operation, the HI setpoint must always be set above the LO setpoint. In failsafe operation, the relay is energized when the process is below the HI setpoint or above the LO setpoint (opposite for non-failsafe). In the failsafe mode, a power failure results in an alarm state output.

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CTH Controls Inc.   CTH Controls Inc.
5100 South Service Road, Unit 2
Burlington, ON. L7L 6A5 Canada
Phone: 905-792-6829
Toll Free: 1-888-550-6829
Fax: 905-792-6902
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