Switch or Alarm Signal Electrical Voltage Sensors

Non-Contact Voltage Detector + Worklight -- VP50
from FLIR

FLIR VP50 Non-Contact Voltage Detector FeaturesEnhanced DetectionUses a low-profile probe tip that gets the sensor closer to electrical sources and enhanced sensitivity to help detect voltage in the latest safety outlets. Powerful WorklightsIntense (60-lumen) LED light source illuminates dimly lit... [See More]

  • Electrical Output: "Output" is a switch or alarm signal
  • Voltage Type: ACVoltage
  • Voltage: 24 to 1000
  • Frequency: 45 to 65
DC Voltage Level Detector -- S631 Series
from American Aerospace Controls, Inc.

Bi-directional current transducers, special purpose, wide temperature, fast response, MIL Grade, split yoke, high current, low cost [See More]

  • Electrical Output: "Output" is a switch or alarm signal
  • Voltage Type: DCVoltage
  • Voltage: -800 to 800
  • Response Time: 110
AC/DC Voltage Monitor -- Model 2628
from Time Mark Corporation

The Model 2628 AC/DC Voltage Monitor is designed to continuously monitor any AC or DC voltage from 15 to 260 volts. Input voltages below the set-point cause the output contacts to de-energize. Input voltages above the set-point cause the output contacts to energize. The dead band between pull-in and... [See More]

  • Electrical Output: "Output" is a switch or alarm signal
  • Voltage Type: ACVoltage; DCVoltage
  • Voltage: 15 to 260
  • Response Time: 100
AC/DC Voltage Monitor -- Model 2629
from Time Mark Corporation

The Model 2629 AC/DC Voltage Monitor is designed to continuously monitor any AC or DC voltage from 15 to 260 volts. Input voltages below the set-point cause the output contacts to de-energize. Input voltages above the set-point cause the output contacts to energize. The dead band between pull-in and... [See More]

  • Electrical Output: "Output" is a switch or alarm signal
  • Voltage Type: ACVoltage; DCVoltage
  • Voltage: 15 to 260
  • Response Time: 100
Frequency Monitor -- Model A292
from Time Mark Corporation

The Model 292 Frequency Monitor is designed to monitor power line frequency. It is intended for systems where line frequency variations will cause improper operation of electrical equipment. A solid-state sensing circuit drives an internal electromechanical relay which is energized when the line... [See More]

  • Electrical Output: "Output" is a switch or alarm signal
  • Voltage Type: ACVoltage
  • Voltage: 20 to 30
  • Frequency: 45 to 1023
Line Voltage & Phase Sequence Detector -- Model 208A
from Time Mark Corporation

The Model 208A & 208D Line Voltage & Phase Sequence Detectors allows quick and easy determination of phase sequence (either ABC or CBA). Available in 50/60 Hz and 400 Hz versions, this unit can also show that all phases are present, or if one or more phases are lost, it indicates which of the phases... [See More]

  • Electrical Output: "Output" is a switch or alarm signal
  • Mounting: Handheld
  • Voltage: 90 to 480
  • Features: Visual Indicators or Display
Over and Under Voltage Monitor -- Model 268
from Time Mark Corporation

The Model 268 Over & Under Voltage Monitor is designed to ensure that the monitored operating voltage remains within a 120 VAC band. This device uses a dual op-amp comparator circuit to achieve stable and repeatable trip set-points. The output relay is energized only when the voltage being monitored... [See More]

  • Electrical Output: "Output" is a switch or alarm signal
  • Voltage Type: ACVoltage
  • Voltage: 90 to 140
  • Frequency: 45 to 420
Over and/or Under Voltage Monitor -- Model 16-1-H-P
from Time Mark Corporation

The Model 16-1-X-X protects equipment from Over, Under, Over/Under voltage or rapid cycling conditions that can damage valuable equipment. Trip and restart delays are adjustable, or can be disabled. Input voltage ranges are 12-30 VAC/VDC or 30-277 VAC/VDC. The 8-pin plug-in has 2 SPDT relays, while... [See More]

  • Electrical Output: "Output" is a switch or alarm signal
  • Voltage Type: ACVoltage; DCVoltage
  • Voltage: 30 to 277
  • Frequency: 50 to 60
Pick Up/Drop Out Voltage Monitor -- Model 2621-110VDC
from Time Mark Corporation

The Model 2621 dual set point voltage monitor is designed to monitor single phase equipment. The Normal LED indicates the relay is ENERGIZED. Toggle switch settings are as follows: Off lo - Relay de-energizes at Lo Trip - Relay energizes at Hi Trip On lo - Relay energizes at Lo Trip - Relay... [See More]

  • Electrical Output: "Output" is a switch or alarm signal
  • Voltage Type: DCVoltage
  • Voltage: 85 to 135
  • Mounting: Other
True RMS Voltage Monitor -- Model 26
from Time Mark Corporation

Model 26 True RMS Voltage Monitor has a display that shows the voltage with an accuracy of +/- 0.5%. The display is updated every second and re-initialized every 30 seconds. Model 26 has a rotary encoder with switch on the unit. By pressing the encoder switch for more than 5 seconds, the unit will... [See More]

  • Electrical Output: "Output" is a switch or alarm signal
  • Voltage Type: ACVoltage
  • Voltage: 80 to 550
  • Frequency: 50 to 60
Under-Voltage Monitor -- Model 2601-110VDC
from Time Mark Corporation

The Model 2601 is a single-set-point under-voltage monitor. Input voltages above set-point will cause the output contact to energize and LED indicator to illuminate. Input voltages below the set-point will cause the output contact to de-energize and extinguish the LED indictor. The Model 2601 is... [See More]

  • Electrical Output: "Output" is a switch or alarm signal
  • Voltage Type: DCVoltage
  • Voltage: 85 to 100
  • Mounting: Other
Voltage Band Monitor -- Model 2681-110VDC
from Time Mark Corporation

The Model 2681 Voltage Band Monitor is a dual set-point voltage monitor. Input voltages between the upper and lower set-points will cause the output contacts to pull in (contacts 1 & 3 closed) and the LED indicator to illuminate. Input voltages above or below the set-points will cause the output... [See More]

  • Electrical Output: "Output" is a switch or alarm signal
  • Voltage Type: DCVoltage
  • Voltage: 85 to 135
  • Mounting: Other
Voltage Sensor -- Model 160B120
from Time Mark Corporation

The Model 160B(R) Voltage Sensor is a single set-point voltage sensor. Input voltages above the set-point cause the output contacts to energize. Input voltages below the set-point cause the output contacts to de-energize. The dead band between pull-in and drop-out is less than 1%. Wiring connections... [See More]

  • Electrical Output: "Output" is a switch or alarm signal
  • Voltage Type: ACVoltage
  • Voltage: 80 to 130
  • Frequency: 50 to 400
Voltage Sensor -- Model 2602
from Time Mark Corporation

The Model 2602 Voltage Sensor is a rapid response device for sensing a low voltage condition on 120 VAC, 60 Hz, single phase power systems. Operating power is drawn from the same line being monitored. Upon sensing a voltage below 80 VAC, the internal relay, which is energized under normal operating... [See More]

  • Electrical Output: "Output" is a switch or alarm signal
  • Voltage Type: ACVoltage
  • Voltage: 80 to 120
  • Frequency: 60
Voltage Sensor -- Model AC260B-80-130
from Time Mark Corporation

The Model 260 Voltage Sensor is a single set-point voltage sensor. Input voltages above the set-point cause the output contacts to energize (contacts 1 & 8 closed). Input voltages below the set-point cause the output contacts to de-energize (contacts 1 & 2 closed). The dead band between pull-in and... [See More]

  • Electrical Output: "Output" is a switch or alarm signal
  • Voltage Type: ACVoltage
  • Voltage: 80 to 130
  • Frequency: 50 to 400