Siemens Thermistor Motor Protection Monitoring Relay, SPDT, 24 → 240V ac/dc, DIN Rail

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RS Stock No.:
175-2270
Mfr. Part No.:
3RN2000-1AW30
Brand:
Siemens
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Brand

Siemens

Monitoring Application

Thermistor motor temperature protection

Voltage Sensing Range

24 → 240V ac/dc

Contact Configuration

SPDT

Voltage Sensitivity

Motor Voltage

Mounting Type

DIN Rail

Series

3RN2

Terminal Type

Screw

Width

17.5mm

Maximum Operating Temperature

+60°C

Length

91.6mm

Height

100mm

Operating Temperature Range

+60°C

Dimensions

91.6 x 17.5 x 100mm

Minimum Operating Temperature

-25°C

COO (Country of Origin):
DE

Siemens 3RN2 Series Monitoring Relay, SPDT Contact Configuration, Thermistor motor temperature protection Monitoring Application - 3RN2000-1AW30


This monitoring relay is specifically designed for thermistor motor temperature protection, enhancing safety and functionality across various applications. As a key element in motor protection systems, it reliably monitors motor voltage. Its compact design facilitates easy installation on DIN rails, making it a suitable choice for professionals in automation and electrical fields.

Features & Benefits


• Operates within a voltage sensing range of 24 to 240V AC/DC
• Compact design suited for installation in confined spaces
• Auto-reset feature enhances operational convenience
• Maximum operating temperature of +60°C
• Uses screw terminals for secure connections
• Mechanical lifespan of up to 10 million operating cycles

Applications


• Used for protecting motor voltage in industrial settings
• Employed in systems requiring thermistor-based monitoring
• Suitable for safeguarding motors from overheating risks
• Appropriate for automation projects needing dependable temperature monitoring
• Applicable in scenarios requiring reliable voltage sensing

What installation considerations should be noted for the relay?


It can be mounted in any position and fastened using screw or snap-on methods on 35mm DIN rail.

How does it handle power failures?


It features a minimum buffering time of 40ms during power interruptions.

Is additional equipment needed for compatibility?


No, it is suitable for direct use with bimetallic switches without needing extra components.

What is the expected lifespan of the product under standard conditions?


It typically offers a mechanical service life reaching 10 million operating cycles.

How do I connect the relay in my setup?


Connections are made using screw-type terminals that accommodate solid and finely stranded conductors.

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