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High Performance Current Sensing for Automation Application
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AC Current Sensor

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AC Current Sensor

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AC Current Sensor Application Notes
Application Note - Patent Pending Linear Adjustment Provides Precise Setpoint
Application Note - Pump Monitoring and Protection
AC Current Sensor Specific Solutions to Your Industry

ASL SERIES

Linear Adjustment Setpoint AC Current Sensor
Agency Listings, Certifications & International Registrations

The ASL Series AC Current Sensor provide a current operated solid state contact powered from the monitored circuit. The trip point adjustment uses a single turn potentiometer. This means the installer can set the point where the output changes state when the monitored circuit is not energized, by turning the adjustment arrow to the current magnitude needed, and install the sensor over the conductor. Proper installation couldn’t be easier.

Easily Established Contact Actuation Point
  • Patented potentiometer setpoint selection (patent pending)
  • Trip point indicated on the labeling
  • Trip point can be set with no load present, adding a large measure of safety
  • Two-second delay before contact action upon initial energization allows the output to ignore motor inrush current
Isolation
  • Output is magnetically isolated from the input for safety
  • Eliminates insertion losses, no added burden
Solid-state Reliability
  • No moving components for switching
  • No need for periodic maintenance or calibration
Panel Mounted Solid- or Split-Core Enclosure
  • Split core housing allows installation without disturbing existing wiring and can be mounted in any position. Either enclosure can be attached to a panel, hung on the conductor or on a DIN rail using adaptors
  • Solid or split core housings provide windows large enough for 150 amp loads, non-contact design provides complete isolation between primary circuit and control circuitry
No External Power Needed
  • Sensor is powered from the monitored AC circuit
  • Choose normally open (closing on current increase) or normally closed (opening on current increase)
  • Fast action contact reacts quicker than RTD, thermocouples, or bimetallic thermal elements