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Siemens 3RT1916-2FK31 OFF Delay Auxiliary Switch Block

Siemens 3RT1916-2FK31 solid-state auxiliary switch block with OFF delay.

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ManufacturerSiemens

Part number3RT1916-2FK31

Type Auxiliary Switch Block

Function OFF Delay

Time Range 5-100 s

Voltage 100-127 V AC/DC

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Solid-state design Front mountable OFF delay function Adjustable time range 5-100 s 1 NO + 1 NC contacts Wide voltage range 100-127V AC/DC

Product description

The Siemens 3RT1916-2FK31 is a solid-state auxiliary switch block designed for front mounting onto Siemens SIRIUS 3RT2 contactors of size S00. It features an OFF delay function with a time range adjustable from 5 to 100 seconds and operates on a voltage input of 100 to 127V AC/DC. This block includes one Normally Open (NO) and one Normally Closed (NC) contact configuration.

This auxiliary switch block is ideal for applications requiring longer timed shutdown sequences in industrial automation. It finds use in motor control, process sequencing, and safety circuits where a controlled OFF delay is necessary. Its application spans across various industries, including manufacturing, water treatment, and building automation systems.

Stanlo Automation, a veteran-owned surplus parts distributor, provides access to the Siemens 3RT1916-2FK31. Partner with us for reliable and cost-effective solutions to keep your industrial operations running smoothly.

Technical specifications

Type	Auxiliary Switch Block
Function	OFF Delay
Time Range	5-100 s
Voltage	100-127 V AC/DC
Contacts	1 NO + 1 NC
Mounting	Front Mount
Size	S00

Common applications

Motor control

Control panel automation

Machine safety circuits

Process control

Interlocking systems

Manufacturing automation

Water treatment

Compatible systems

Siemens 3RT2 Size S00 Contactors

Also known as

SIRIUS 3RT1916-2FK31 Siemens timing auxiliary switch OFF delay module

Replaces / compatible with

This phased-out product has a preferred successor type of SIRIUS 3RA2815-1FW10. It is designed to snap onto the front of Siemens 3RT2.1 Size S00 contactors.

Technical note

Expert tip

The extended time range of the 3RT1916-2FK31 makes it suitable for applications requiring precise, longer OFF delay sequences in automated processes.

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Frequently asked questions

What is the operational voltage and time range for the Siemens 3RT1916-2FK31?

The Siemens 3RT1916-2FK31 is an auxiliary switch block with an OFF delay function, operating on 100-127V AC/DC. It offers an adjustable time range from 5 to 100 seconds and includes 1 NO and 1 NC contact.