Siemens 3RR2141-1AW30 Monitoring Relay, Apparent Current 1.6–16A, 24–240V AC/DC Original Brand New

Overview

The Siemens 3RR2141-1AW30 Monitoring Relay is a reliable and precise solution for monitoring apparent current in industrial applications. Designed to be mounted directly onto Siemens 3RT2 contactors (Size S00), this relay provides comprehensive motor and system protection by detecting current overshoot, undershoot, phase failure, and cable break conditions.

With analog adjustment, flexible AC/DC power supply, and advanced noise pulse suppression, this monitoring relay ensures stable operation and minimizes false triggering in demanding environments.

Benefit

• Ensures reliable motor and system protection

• Detects current overshoot and undershoot accurately

• Prevents damage caused by phase failure or cable break

• Reduces false alarms with adjustable noise pulse suppression

• Easy integration with Siemens 3RT2 contactors

• Compact Size S00 design saves panel space

Function & Features

• Apparent Current Monitoring Range: 1.6–16 A

• Frequency Range: 20–400 Hz

• Supply Voltage: 24–240 V AC/DC (2-phase)

• Monitoring Functions:

  • Current overshoot

  • Current undershoot

  • Phase failure

  • Cable break (with or without fault buffer)

• Output Contact: 1 change-over contact

• ON Delay Adjustment: 0–60 seconds

• Noise Pulse Suppression: 0–30 seconds

• Switching Hysteresis: 6%

• Connection Type: Screw connection system

• Mounting: Direct mounting on Siemens 3RT2 contactors (Size S00)

Application

• Motor protection systems

• Industrial automation panels

• Conveyor systems

• Pump and fan monitoring

• Manufacturing and process control industries

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