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The 420-RW

  • Hybrid Circuit Surge Suppression
  • Safety Fusing
  • Dual Means of Indication
  • Open Air PCB Construction
  • Low Clamping Voltage
  • Low Surge Current Rating
  • RoHs Compliant

Application

Voltage  24 DC
System 4-20 mA

Characteristics

Fusing n/a
Indication Signal Loss
Markings Permanent Label
Enclosure 1-DIN ABS (UL 94 V-0)
Environmental RoHs

Diagram

inches
[millimeters]

Specifications

Lines 4 + Ground
Nominal Voltage 24v DC
Input V Limit 90v DC
Equipment V Limit 33v DC
Series Resistance 10 Ohms
Operating Temperature -40° C to 85° C
Operating Humidity 1% to 95%
Stages of Protection 3
Component Response Time < 1 ns

Standard Installation Summary

Install According To Instructions Provided With Device

  1. Mount 420-RW to DIN rail.
  2. Connect unprotected conductors.
  3. Connect corresponding protected conductors.
  4. Repeat steps 2 and 3 if protecting 2 loops. 
  5. Connect ground conductor.

Note: For optimum SPD performance minimize conductor length and avoid sharp bends.

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Serious Surge Protection®
ICP Series
Made in the USA
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