Model# CRD-005 Current Relay

DC Current Relay w/ Setpoint

OPERATIONS MODE:

  • Under Range Alarm: The output relay will energize when instrument power is applied and the current is above the set point threshold. It will remain in a “Fail Safe” mode until either the input current drops below the set point threshold or instrument power is removed.
  • Over Range Alarm : The output relay will energize when instrument power is applied and will remain in a “Fail Safe” mode until either the instrument power is removed or the input current exceeds the set point threshold level.

FEATURES:

  • Programmable settings for either current or voltage input, threshold levels and over or under relay alarms.
  • Internal DIP switches may be set for either 0 – 1mAdc or 0 – 10Vdc, and may be set for under alarm or over alarm relay operation.
  • Lid mounted two digit numerical push-button switch calibrated as percent of full-scale with a threshold range of 01 – 99 percent.
  • Red LED lamp lights to indicate when threshold level has been obtained.
  • Highlighted area indicates Factory Setting. Unit is set at factory for the 0-1mA input and in the over range alarm mode.

Overview

Response Time10µs
Set Point (Digital)01 – 99 %, 01 minimum
Dielectric Test (Input/Output/Case)1500Vac
Instrument Power85-135Vac, 50-400Hz, 2.5VA
Temperature Effect(-10°C to +60°C): ± 0.1%/OC

Accuracy

ClassSet point ± 2 digits

Input

Current Range1mAdc
Burden @ 1mAdc1K(Ω)
Voltage0-10Vdc
Burden @ 0-10Vdc10K(Ω)

Output

RelayForm C, SPDT
Rating120Vac, 3 Amps
Mechanical Operations1 Million

Model# CRD-005-Current-Relay

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