Siemens Auxiliary Contact, 2 Contact, 1 NO/1 NC, 3RH1, Side, 10 A, 440V, 3RH1921-1JA11

RS Stock No.:: 746-0718
Mfr. Part No.:: 3RH1921-1JA11
Brand:: Siemens

Siemens Auxiliary Contact, 2 Contact, 1 NO/1 NC, 3RH1, Side, 10 A, 440V, 3RH1921-1JA11

Subtotal (1 unit)*

Kr. 207,98

(exc. VAT)

Kr. 259,98

(inc. VAT)

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In Stock

71 unit(s) ready to ship from another location
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Units	Per unit
1 +	Kr. 207,98

*price indicative

RS Stock No.:: 746-0718
Mfr. Part No.:: 3RH1921-1JA11
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
	Number of Contacts	2
	Product Type	Auxiliary Contact
	Normal State Configuration	1 NO/1 NC
	Series	3RH1
	Mount Type	Side
	Contact Current	10A
	Terminal Type	Screw
	Pole and Throw Configuration	2P
	Contact Voltage	440V
	Rated Insulation Voltage Ui	500V
	Mounting Location	Lateral
	Operational Current Ie	10A
	Mechanical Durability	10Mcycles
	Minimum Operating Temperature	-25°C
	Maximum Operating Temperature	60°C
	Standards/Approvals	DIN EN 50012

	Select all
	Brand Siemens
	Number of Contacts 2
	Product Type Auxiliary Contact
	Normal State Configuration 1 NO/1 NC
	Series 3RH1
	Mount Type Side
	Contact Current 10A
	Terminal Type Screw
	Pole and Throw Configuration 2P
	Contact Voltage 440V
	Rated Insulation Voltage Ui 500V
	Mounting Location Lateral
	Operational Current Ie 10A
	Mechanical Durability 10Mcycles
	Minimum Operating Temperature -25°C
	Maximum Operating Temperature 60°C
	Standards/Approvals DIN EN 50012

Siemens 3RH1 Series Auxiliary Contact, 1NC + 1NO Normal State Configuration, Side Mount Mounting Style - 3RH1921-1JA11

This auxiliary contact enhances electrical control systems, ensuring dependable operation across diverse applications. Its integration improves contactor functionality, offering key advantages for automation and electrical systems. The dual configuration of normally closed (NC) and normally open (NO) contacts allows for versatile operations in various settings.

Features & Benefits

• Features 1 NO and 1 NC for adaptable control

• Side mount design optimises space

• Utilises screw terminal connections for secure wiring

• Offers high mechanical endurance with 10 million cycles

• Supports a broad range of operational currents for increased versatility

• Designed for easy integration with 3RT1 contactors

Applications

• Utilised in automation systems for control tasks

• Facilitates status indication in industrial machinery

• Ideal for use with 3RT10 and 3RT12 contactors

• Suitable for safety circuits needing reliable signalling

• Commonly employed in electrical distribution panels

How does the dual contact configuration benefit my system?

The dual configuration allows for both control and signalling functions in one unit, enhancing operational efficiency.

What is the maximum operational temperature for this device?

The device operates effectively in temperatures ranging from -25°C to +60°C, ensuring adaptability to various environments.

Can it be used with other brands' contactors?

While designed for 3RT1 series contactors, compatibility with other brands may vary based on specific electrical requirements.

How should I maintain it for optimal performance?

Regular inspection and cleaning of terminals can help maintain connection integrity and extend the product's lifespan.

What type of cable can be connected to the terminals?

The terminals accommodate solid or stranded cables within a cross-section of 0.5 to 2.5mm², ensuring versatility in installation.