Setpoint Current Operated Solid State Sensors
AC or DC Loads

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• Adjustable setpoint
• Switches AC or DC loads
• 1 range of 1 to 150 amps

These adjustable Setpoint Current Operated Solid State Sensors monitor currents from 1 to 150 Amperes and switch up to 135 volts AC or DC. Internal circuits are totally powered by induction from the line being monitored.

Design enhancements offer zero off-state leakage in the solid state relay output while switching both AC and DC circuits. The contact is not polarity sensitive, simplifying wiring.

• Large aperture of 0.75" accommodates up to 2/0 cable.
• Contact switches up to 135 volts AC and DC.
• Single convenient range monitors from 1 to 150 Amps
• Small size: mounts easily in tight spaces. Can be hung or tied directly onto wires or cables.
• Self-powered design eliminates need for power supplies and power wiring.

• Field-proven solid-state reliability--highest quality circuits-- no questionable metal contacts
• UL Listed in U.S. and Canada
• Five-year warranty

• Upgrade from differential pressure and air-flow switches
• Direct connection to PLC, DDC and fire system inputs, for status and proof-of-performance
• Monitor all types of fans: stairway, exhaust, supply, return and tower
• Monitor all types of pumps: tower, condenser, hot and cold water and sump
• Monitor all types of heating elements, ideal for heat tracing
• Monitor motors throughout plant or building to confirm ON/OFF status.
• Directly control light loads, such as lamps and relays

Ask for model 245 without status LED
Ask for model 250 complete with status LED

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Setpoint Current Operated Sensors