Siemens 3RH2 Contactor Relay, 24 V dc Coil, 4-Pole, 10 A 24 V dc, 4 NO, 690V ac

RS Stock No.:: 213-1003
Mfr. Part No.:: 3RH2140-1HB40
Brand:: Siemens

Siemens 3RH2 Contactor Relay, 24 V dc Coil, 4-Pole, 10 A 24 V dc, 4 NO, 690V ac

Subtotal (1 unit)*

Kr. 637,80

(exc. VAT)

Kr. 797,25

(inc. VAT)

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*price indicative

RS Stock No.:: 213-1003
Mfr. Part No.:: 3RH2140-1HB40
Brand:: Siemens

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Siemens
	Product Type	Contactor Relay
	Coil Voltage	24 V dc
	Number of Poles	4
	Contact Voltage	690V ac
	Contact Current	10A
	Series	3RH2
	Function	Safety
	Mount Type	Screw and Snap-On
	Normal State Configuration	4 NO
	Number of Auxiliary Contacts	4
	Auxiliary Contact Configuration	4 NO
	Terminal Type	Screw
	Minimum Operating Temperature	-25°C
	Operational Current Ie	10A
	Control Circuit Voltage Uc	24 V dc
	Contactor Application	Safety
	Maximum Operating Temperature	60°C
	Length	57.5mm
	Depth	73mm
	Width	45 mm
	Standards/Approvals	CCC, CSA, EAC, UL
	Pole and Throw Configuration	4

	Select all
	Brand Siemens
	Product Type Contactor Relay
	Coil Voltage 24 V dc
	Number of Poles 4
	Contact Voltage 690V ac
	Contact Current 10A
	Series 3RH2
	Function Safety
	Mount Type Screw and Snap-On
	Normal State Configuration 4 NO
	Number of Auxiliary Contacts 4
	Auxiliary Contact Configuration 4 NO
	Terminal Type Screw
	Minimum Operating Temperature -25°C
	Operational Current Ie 10A
	Control Circuit Voltage Uc 24 V dc
	Contactor Application Safety
	Maximum Operating Temperature 60°C
	Length 57.5mm
	Depth 73mm
	Width 45 mm
	Standards/Approvals CCC, CSA, EAC, UL
	Pole and Throw Configuration 4

COO (Country of Origin):: DE

Siemens 3RH2 Series Contactor Relay, 24V DC Control Voltage, 10A Current Rating - 3RH2140-1HB40

This contactor relay is a reliable solution for switching auxiliary circuits within various electrical applications. Designed with four poles, it operates at a control voltage of 24V DC. The compact dimensions—57.5mm in length, 45mm in width, and 73mm in depth—allow for easy installation on a DIN rail.

Features & Benefits

• Supports a contact voltage rating of up to 690V AC

• Auxiliaries configured with four NO contacts enhance versatility

• Designed for high-frequency switching at 10,000 operations per hour

• Screw terminal connections ensure secure and flexible wiring

Applications

• Used primarily for controlling motors and handling auxiliary circuits

• Suitable for within PLC environments

• Essential in electrical panels for automation tasks

• Utilised in high voltage settings to enhance circuit protection

How does the temperature range affect the relay's performance?

Operating in temperatures from -25°C to +60°C ensures that the relay performs effectively in diverse environmental conditions, making it suitable for various industrial settings.

What is the significance of the mechanical life of 30 million cycles?

A mechanical life of 30 million cycles signifies long-lasting durability and reduces the frequency of replacements, leading to decreased maintenance costs in operational environments.

What voltage do the relay contacts operate at for AC and DC applications?

The relay supports a contact current rating of 10A for both AC and DC applications, with varying specifications depending on the voltage used. For instance, the relay can handle 10A at 24V DC or up to 1A at 690V AC.

How does the relay facilitate integration into existing systems?

The DIN rail mounting style and screw terminal connections simplify the integration process, allowing for quick installation and compatibility with standard automation setups.