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Siemens SIRIUS 3RH1921-2DE11

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3RH1921-2DE11

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The Siemens 3RH1921-2DE11, part of the SIRIUS series, serves as an auxiliary switch block. This unit is designed with one normally open contact and one normally closed contact, facilitating versatile applications in automation.

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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Technical specifications for 3RH1921-2DE11

ManufacturerSiemens
Product TypeAuxiliary Switch Block
Product LineSIRIUS
Part Number3RH1921-2DE11
UPC754554836218
Weight0.50 lbs (0.23 kg)
Number of Contacts1 Normally Open (1NO) + 1 Normally Closed (1NC)
Mounting TypeLateral, DIN EN 50012
Connection TypeCage clamp
Rated Current1 A / 3 A / 10 A
Voltage Rating24V DC / 230V AC
Protection ClassIP20
Operating Temperature Range-25°C to 60°C
Storage Temperature Range-55°C to 80°C
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The 3RH1921-2DE11 auxiliary switch block from Siemens is integral for applications requiring contact signaling. This device showcases a compact design, measuring 10 mm in width, 71 mm in depth, and 72.5 mm in height. Weighing just 0.051 kg, it is suitable for installation in space-constrained settings.

It includes a configuration of one normally open (1NO) contact and one normally closed (1NC) contact to provide flexible control options within your system. The unit is equipped for lateral mounting following DIN EN 50012 guidelines, ensuring secure placement within panels or enclosures.

The connection mechanism utilizes a cage clamp type for reliable wiring. Operating across a rated current spectrum of 1 A, 3 A, and 10 A, it can be utilized for various electrical loads. The auxiliary block supports a voltage rating of 24V DC or 230V AC, making it adaptable for different operational scenarios.

Moreover, it can function optimally under a wide temperature range, with operational limits from -25°C to 60°C and storage capabilities extending from -55°C to 80°C. This ensures reliability in diverse environmental conditions.