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Siemens SIRIUS 3RT1916-2EJ21

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3RT1916-2EJ21

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The Siemens 3RT1916-2EJ21 is a time-delay auxiliary contact block designed to provide reliable operation in various applications. With a compact form factor, it supports a 24 V AC/DC voltage rating and offers compatibility with several SIRIUS series contactors.

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Technical specifications for 3RT1916-2EJ21

ManufacturerSiemens
Product TypeTime-delay Auxiliary Contact Block
Product LineSIRIUS
Part Number3RT1916-2EJ21
Voltage Rating (AC/DC)24 V AC/DC
Compatibility3RT10, 3RT12, 3RT13, 3RT14, 3RT15, and 3RT16 Contactors
Auxiliary Contacts1 NO plus 1 NC Contact
Time Delay Range0.5 to 10 seconds, adjustable
Operating Temperature Range-25 to 60 °C
Storage Temperature Range-40 to 80 °C
Humidity Range5 to 95% non-condensing
Switching TypeSlow-operating (delayed)
FunctionSolid-state ON-delay Timing Module
Mounting TypeSnaps onto Contactor, Size S00
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The 3RT1916-2EJ21 model from Siemens represents a functional time-delay auxiliary contact block used in various control applications. Rated for 24 V in both AC and DC formats, this module is lightweight at just 0.19 pounds. It is specifically made to work with several SIRIUS series contactors such as the 3RT10, 3RT12, 3RT13, 3RT14, 3RT15, and 3RT16, reinforcing its versatility.

This auxiliary block includes 1 normally open (NO) contact and 1 normally closed (NC) contact, which facilitates flexible circuit configurations. The device features an adjustable time delay ranging from 0.5 to 10 seconds, providing users with the ability to customize the timing for their application needs.

In terms of environmental specifications, it can function within operating temperatures of -25 to 60 °C, making it suitable for various industrial conditions. Its storage capabilities extend from -40 °C to 80 °C, allowing for a broad range of environmental tolerances. The design of this unit incorporates humidity resilience, operating effectively in non-condensing conditions between 5 to 95%.

As a solid-state ON-delay timing module, it ensures reliable performance with a slow-operating switching type that enhances device longevity. The block conveniently connects to contactors, facilitating a straightforward installation process. Overall, the Siemens 3RT1916-2EJ21 is a practical solution for applications requiring precise control and timing.