MPN

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

RS Stock No.:: 746-0752
Distrelec Article No.:: 300-50-569
Mfr. Part No.:: 3RH2140-1AB00
Brand:: Siemens

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

Subtotal (1 unit)*

£29.45

(exc. VAT)

£35.34

(inc. VAT)

FREE delivery for orders over £50.00

In Stock

3 unit(s) ready to ship
Plus 2 unit(s) ready to ship from another location
Plus 18 unit(s) shipping from 11 September 2025

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 +	£29.45

*price indicative

RS Stock No.:: 746-0752
Distrelec Article No.:: 300-50-569
Mfr. Part No.:: 3RH2140-1AB00
Brand:: Siemens

Siemens 3RH2 Series Contactor, 24V AC Coil Voltage, 4NO Normal State Configuration - 3RH2140-1AB00

This contactor is designed for control in various industrial applications. Operating at 24V AC and handling up to 10A of current, it serves as an essential component in automation and electrical systems. Its sturdy design ensures durability in challenging environments while allowing various connection options.

Features & Benefits

• Operates at a coil voltage of 24V AC
• Supports switching up to 10A for demanding applications
• Compact design suitable for installations with limited space
• Offers four normally open contacts for versatile operations
• Equipped with screw terminals for easy wiring
• Designed for a mechanical lifespan of up to 30 million cycles

Applications

• Utilised in industrial machinery for effective switching and control
• Employed in automation systems that require precise current management
• Suitable as an auxiliary contactor in complex electrical configurations
• Appropriate for needing a high operational frequency
• Ideal for environments with ambient temperature ranges from -25°C to +60°C

How is installation performed with this component?

It can be mounted on a vertical surface using screw and snap-on fittings, providing installation flexibility.

What type of auxiliary contacts are compatible?

It accommodates four normally open auxiliary contacts, enhancing functionality for different control applications.

What are the operational limits regarding voltage and current?

It is rated for a maximum voltage of 690V AC and can handle up to 10A per current path under AC-12 conditions.

Can I use this contactor in outdoor conditions?

The component is intended for indoor use but can operate within specified ambient temperatures

however, exposure to extreme weather is not advisable.

What maintenance is required to ensure optimal performance?

Regular inspections for dirt accumulation and tight connections can help maintain performance and longevity.

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Siemens
	Coil Voltage	24 V ac
	Number of Poles	4
	Contact Voltage Rating	690 V ac
	Contact Current Rating	10 A
	Range	SIRIUS
	Series	3RH2
	Normal State Configuration	4NO
	Number Of Auxiliary Contacts	4
	Auxiliary Contact Configuration	4NO
	Terminal Type	Screw
	Width	45mm
	Length	57.5mm
	Depth	73mm
	Pole and Throw Configuration	4P
	Mounting Style	DIN Rail
	Control Voltage	24 V
	Maximum Operating Temperature	+60°C
	Minimum Operating Temperature	-25°C

	Select all
	Brand Siemens
	Coil Voltage 24 V ac
	Number of Poles 4
	Contact Voltage Rating 690 V ac
	Contact Current Rating 10 A
	Range SIRIUS
	Series 3RH2
	Normal State Configuration 4NO
	Number Of Auxiliary Contacts 4
	Auxiliary Contact Configuration 4NO
	Terminal Type Screw
	Width 45mm
	Length 57.5mm
	Depth 73mm
	Pole and Throw Configuration 4P
	Mounting Style DIN Rail
	Control Voltage 24 V
	Maximum Operating Temperature +60°C
	Minimum Operating Temperature -25°C

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