Current Monitoring Relay, 2 Phase, 4-40A MPN:3RR21421AW30

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Brand: Siemens
Part #: 3RR21421AW30
UPC: 040892547269
SKU
510-G4290587
Regular Price $503.01 Special Price $359.29

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Current Monitoring Relay, 2 Phase, 4-40A

The Siemens Current Monitoring Relay is a versatile and reliable solution for monitoring and controlling electrical currents in a variety of applications. This 2-phase relay is suitable for use with 3RT202 contactors or as a standalone unit, making it an ideal choice for industrial automation, power distribution, and electrical panel building. With its ability to monitor both over and under current, this relay provides enhanced safety and efficiency in applications such as motor control, power monitoring, and fault detection. Its compact design and easy installation make it a convenient addition to any electrical system.

Top product features:

  • Over and under current monitoring
  • Includes a 1-Phase and 2-Phase option
  • Includes a 4-40A current monitoring range

Top product applications:

  • Motor Protection
  • Power Distribution Systems
  • Industrial Automation Control Panels
1-Phase Current Monitoring Relay, Range (Amps) 4-40Rated Insulation Volts 24-240 AC/DCFor Use With 3RT202 Contactors or as stand alone mount, Length (In.) 4.00, Width (In.) 1.77, Height (In.) 3.82Includes Over and Under Current Monitoring

Additional Information

  • Country of Origin: CZ
  • Drop Ship Item: Yes
  • Blind Ship Eligible: No
  • LTL Freight Required: No
  • Lead Time: Ships in 20 days
  • Minimum Order Quantity: 1
  • Unit of Measure: EA
  • Package Length: 4.50
  • Package Width: 3.90
  • Package Height: 2.10
  • Package Weight: 0.55
Product info last updated on January 29, 2026 1:21am UTC Category: Process Monitoring
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