Siemens Monitoring Relay, SPST, 25mA to 2mA, 24 V dc, 24 V ac

RS Stock No.:: 203-2074
Mfr. Part No.:: 3RF2920-0FA08
Brand:: Siemens

Siemens Monitoring Relay, SPST, 25mA to 2mA, 24 V dc, 24 V ac

Subtotal (1 unit)*

$383.11

(exc. GST)

$421.42

(inc. GST)

FREE delivery for orders over $60.00 ex GST

In Stock

1 unit(s) ready to ship from another location
Plus 9 unit(s) shipping from 20 March 2026

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Units	Per unit
1 +	$383.11

*price indicative

RS Stock No.:: 203-2074
Mfr. Part No.:: 3RF2920-0FA08
Brand:: Siemens

Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Siemens
	Product Type	Monitoring Relay
	Contact Configuration	SPST
	Minimum Current Sensed	25mA
	Maximum Current Sensed	2mA
	Terminal Type	Screw
	IP Rating	IP20
	Supply AC Voltage	24 V ac
	Minimum Operating Temperature	-25°C
	Relay Contact Current	20 A
	Supply DC Voltage	24 V dc
	Maximum Operating Temperature	60°C
	Standards/Approvals	CE, CSA, UL
	Series	3RF2920
	Length	67mm
	Width	22.5 mm
	Height	101.5mm

	Select all
	Brand Siemens
	Product Type Monitoring Relay
	Contact Configuration SPST
	Minimum Current Sensed 25mA
	Maximum Current Sensed 2mA
	Terminal Type Screw
	IP Rating IP20
	Supply AC Voltage 24 V ac
	Minimum Operating Temperature -25°C
	Relay Contact Current 20 A
	Supply DC Voltage 24 V dc
	Maximum Operating Temperature 60°C
	Standards/Approvals CE, CSA, UL
	Series 3RF2920
	Length 67mm
	Width 22.5 mm
	Height 101.5mm

Datasheet - 3RF2920-0FA08

COO (Country of Origin):: CZ

Siemens 3RF2920 Series Monitoring Relay, SPST Contact Configuration, 50 to 60 Hz Frequency Sensing Range - 3RF2920-0FA08

This monitoring relay is essential for current monitoring applications, aimed at ensuring optimal performance in electrical systems. Its innovative clip-on design facilitates easy installation and rapid integration into diverse setups. This device is crucial for maintaining operational integrity in automation and electrical applications, making it a suitable choice for professionals in the electrical and mechanical industries.

Features & Benefits

• Supports a current range of up to 20A for various Applications

• Clip-on mounting type enhances installation and maintenance efficiency

• Frequency sensing range of 50 to 60Hz ensures precise monitoring

• SPST configuration offers straightforward functionality

• Operating temperature range of -25 to +60°C ensures reliability across environments

• Screw terminal connections provide secure and effective wiring

Applications

• Monitoring current levels in automation systems

• Ideal for temperature-sensitive electrical installations

• Utilised in systems that require rapid fault detection

• Compliant with safety standards in electrical operations

How can it be installed in an existing system?

The clip-on design permits seamless integration with minimal downtime during installation.

What is the maximum frequency it can detect?

It effectively monitors frequencies within the 50 to 60Hz range for accurate current management.

Is it compatible with different electrical devices?

It is designed to function with various electrical setups provided they meet the specified current range.

What type of connections does it support?

It features screw terminals, ensuring safe and secure wiring connections for consistent performance.