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High Performance Current Sensing for Automation Application
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Current Sensing Switches

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AS1 Current Sensing Switches

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UL Certificate (pending)

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Current Sensing Theory/White Paper
Application Note - DS1: A Smaller, Simpler to Use Current Switch for Detecting Very Low DC Current Levels
Application Note - DC Sensors in Bi-directional Application
Application Note - Monitoring DC Current
Current Sensing Switch Specific Solutions to Your Industry

DS1 SERIES

Current Sensing Switches
UL Pending
Agency Listings, Certifications & International Registrations

The DS1 Series Current Operated Switch is designed to trip a solid state contact when there is DC current through the sensor window. The sensor can be used to interlock two operations for safety. When one load is energized, the contact will keep another from also energizing. The power supply voltage and the controlled circuit voltage can be derived from a single source or separate sources. The monitored circuit can be any DC voltage and any amount of current as long as the conductor will pass through the window. The monitored circuit is completely isolated from the control circuit. If there is 3/4 of one amp through the aperture, the output will change state.

Compact, One-piece Design
  • Fits in easily amongst motor starters and power supplies in crowded control panels
Input Isolation
  • Safer than shunt/relay combinations
Unique Power Supply Connection
  • Sensor power and switched load share a common point making installation easy
Built-in Mounting Feet
  • Simple, two-screw installation allows for secure mounting