Siemens Monitoring Relay, SPDT, DIN Rail, 24V ac 24 V dc

RS Stock No.:: 175-2271
Mfr. Part No.:: 3RN2000-2AA30
Manufacturer:: Siemens

Siemens Monitoring Relay, SPDT, DIN Rail, 24V ac 24 V dc

Subtotal (1 unit)*

SGD212.06

(exc. GST)

SGD231.15

(inc. GST)

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4 unit(s) ready to ship from another location

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Units	Per unit
1 +	SGD212.06

*price indicative

RS Stock No.:: 175-2271
Mfr. Part No.:: 3RN2000-2AA30
Manufacturer:: 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	SPDT
	Mount Type	DIN Rail
	Power Consumption	0.5W
	Terminal Type	Spring Terminal
	IP Rating	IP20
	Contact Current	1A
	Supply DC Voltage	24 V dc
	Supply AC Voltage	24V ac
	Minimum Operating Temperature	-25°C
	Maximum Operating Temperature	+60°C
	Length	91.6mm
	Height	100mm
	Series	3RN2
	Standards/Approvals	No
	Width	17.5mm

	Select all
	Brand Siemens
	Product Type Monitoring Relay
	Contact Configuration SPDT
	Mount Type DIN Rail
	Power Consumption 0.5W
	Terminal Type Spring Terminal
	IP Rating IP20
	Contact Current 1A
	Supply DC Voltage 24 V dc
	Supply AC Voltage 24V ac
	Minimum Operating Temperature -25°C
	Maximum Operating Temperature +60°C
	Length 91.6mm
	Height 100mm
	Series 3RN2
	Standards/Approvals No
	Width 17.5mm

COO (Country of Origin):: DE

Siemens 3RN2 Series Monitoring Relay, 24V Supply Voltage, 1A Contact Current - 3RN2000-2AA30

This monitoring relay is a Compact evaluation unit designed for thermistor motor protection in control panels. It operates from a 24V AC/DC supply and provides a single changeover contact with automatic reset and a tripped LED indication. The device mounts on a 35mm DIN rail using snap‑on or screw fastening and is intended for industrial installations requiring thermal sensing via bimetallic temperature switches.

Features and Benefits:

• 0.30W power loss reduces energy draw in continuous operation
• -25°C to 60°C operational range supports wide ambient conditions
• 1A DC contact current enables control of low‑power circuits
• Spring‑loaded terminals allow quick conductor insertion
• 5A switching element withstands transient load conditions

Applications

• Suitable for motor thermistor protection installations
• Ideal for control panels in industrial environments
• Used with bimetallic temperature switches for monitoring
• Can be used where Compact DIN rail mounting is required
• Suitable for systems needing automatic reset after trip

What surge immunity does the unit provide?

It offers 4kV surge voltage resistance and withstands conductor-to-earth surge up to 2kV.

How long will the relay switch contacts endure electrically?

At 24V AC under AC-15 duty the contact endurance is typically 100,000 operating cycles.

What conductor sizes are accepted by the terminals?

Solid conductors 0.5…4 mm² and finely stranded with end ferrules 0.5…2.5 mm² are supported.