MPN

Siemens Auxiliary Contact, 1 Contact, 1 NO/1 NC, 3RH, 3RH1921-1KA11

RS Stock No.:: 159-417
Mfr. Part No.:: 3RH1921-1KA11
Brand:: Siemens

Siemens Auxiliary Contact, 1 Contact, 1 NO/1 NC, 3RH, 3RH1921-1KA11

Subtotal (1 unit)*

$57.93

(exc. GST)

$63.72

(inc. GST)

FREE delivery for orders over $80.00 ex GST

Stocked by manufacturer

Ready to ship from 26 November 2026

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

Units	Per unit
1 +	$57.93

*price indicative

RS Stock No.:: 159-417
Mfr. Part No.:: 3RH1921-1KA11
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	Auxiliary Contact
	Number of Contacts	1
	Normal State Configuration	1 NO/1 NC
	Series	3RH
	Terminal Type	Screw
	Rated Insulation Voltage Ui	500V
	Minimum Operating Temperature	-25°C
	Operational Current Ie	10A
	Maximum Operating Temperature	60°C
	Standards/Approvals	EAC, UKCA, CE

	Select all
	Brand Siemens
	Product Type Auxiliary Contact
	Number of Contacts 1
	Normal State Configuration 1 NO/1 NC
	Series 3RH
	Terminal Type Screw
	Rated Insulation Voltage Ui 500V
	Minimum Operating Temperature -25°C
	Operational Current Ie 10A
	Maximum Operating Temperature 60°C
	Standards/Approvals EAC, UKCA, CE

Datasheet - 3RH1921-1KA11

COO (Country of Origin):: CZ

The Siemens Auxiliary Switch designed to enhance your control systems with reliability and efficiency. Featuring a flexible installation option, this switch can be mounted laterally, making it ideal for various setups. It stands out with its capacity for high operational currents at both AC and DC ratings, ensuring smooth and dependable performance across a range of applications.

Compact design for tight spaces

Long operational lifecycle

Includes NO and NC contacts

Compliant with international safety standards

Screw type terminals for secure mounting