Siemens Auxiliary Contact, 2 Contact, 1 NO/1 NC, SIRIUS, Snap-On, 10 A, 440V, 3RH1921-1EA11

RS Stock No.:: 201-1436
Mfr. Part No.:: 3RH1921-1EA11
Manufacturer:: Siemens

Siemens Auxiliary Contact, 2 Contact, 1 NO/1 NC, SIRIUS, Snap-On, 10 A, 440V, 3RH1921-1EA11

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PHP1,938.50

(exc. VAT)

PHP2,171.12

(inc. VAT)

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Units	Per Unit
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*price indicative

RS Stock No.:: 201-1436
Mfr. Part No.:: 3RH1921-1EA11
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	Auxiliary Contact
	Number of Contacts	2
	Normal State Configuration	1 NO/1 NC
	Series	SIRIUS
	Mount Type	Snap-On
	Contact Current	10A
	Terminal Type	Screw
	Pole and Throw Configuration	DPDT
	Contact Voltage	440V
	Rated Insulation Voltage Ui	690V
	Minimum Operating Temperature	-25°C
	Mechanical Durability	10Mcycles
	Operational Current Ie	10A
	Maximum Operating Temperature	60°C
	Standards/Approvals	No

	Select all
	Brand Siemens
	Product Type Auxiliary Contact
	Number of Contacts 2
	Normal State Configuration 1 NO/1 NC
	Series SIRIUS
	Mount Type Snap-On
	Contact Current 10A
	Terminal Type Screw
	Pole and Throw Configuration DPDT
	Contact Voltage 440V
	Rated Insulation Voltage Ui 690V
	Minimum Operating Temperature -25°C
	Mechanical Durability 10Mcycles
	Operational Current Ie 10A
	Maximum Operating Temperature 60°C
	Standards/Approvals No

Datasheet - 3RH1921-1EA11

COO (Country of Origin):: RO

Siemens 3RH Series Auxiliary Contact, 1NC + 1NO, 10A Contact Current Rating - 3RH1921-1EA11

This auxiliary contact extends the functionality of contactors within the Siemens SIRIUS range, featuring both Normally Closed (NC) and Normally Open (NO) contacts for operational flexibility. The snap-on mounting style enables quick installation.

Features & Benefits

• 10 A contact rating meets high current demands

• Snap-on mounting facilitates installation and maintenance

• Dual NC and NO auxiliary contacts allow diverse circuit configurations

• Insulation voltage rating of 500 V enhances safety

• Mechanical service life of up to 10 million cycles ensures durability

• Compact dimensions enable integration in limited spaces

Applications

• Utilised with 3RT10 and 3RT12 contactors to augment functionality

• Suitable for automation tasks in electrical and mechanical sectors

• Effective for circuits requiring dependable switching under load

• Performs well in environments with variable temperature conditions

What is the operational temperature range for this device?

The operational temperature range is from -25 to 60°C.

How does the installation process work?

Installation is straightforward with a snap-on design for easy attachment to compatible devices.

What type of wiring connections are compatible?

It accepts screw-type terminals for solid or stranded conductors, accommodating various wire sizes.

Can this auxiliary contact be used in existing setups?

Yes, it is designed for compatibility with specific Siemens contactors, enhancing current configurations.

What is the expected lifespan in operational cycles?

The mechanical service life typically reaches up to 10 million operating cycles.