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Siemens PLCs

52107 products

The Siemens brand prioritizes innovation and has a passion for keeping machines performing at their best. As such, Siemens PLCs, even outdated models, are great contenders for getting you the control you need over your operations and keeping things running as efficiently as possible. This company regularly puts out new, high-performing devices that allow you to customize your operations in ways that work for you. No more standardized layouts and cookie-cutter programs. With the right Siemen’s device, you can truly make your facility’s systems your own.

That’s why we at PLC Direct always set out to keep a diverse set of Siemens PLC hardware in stock. We especially stand by the brand’s PLC Siemens Simatic models for their commitment to customizability and constant improvability. Even if you require obsolete Siemens PLC parts or need a new PLC altogether, our selection of Siemens PLCs is exactly what you should seek out. Browse our collection below to assess this product’s availability and find something that works for your equipment. Once you find the right match, we can even get it to you without the unnecessary lead times. Shop here to learn more.

Showing 2881 - 2904 of 52107 products

3TK2845-2DB41 Siemens

!!! Phased-out product !!! The successor product series is 3SK2 (see FAQ xxxxxxxxx) SIRIUS safety relay with relay and electronic 24 V DC, 45 mm Spring-type terminal EC instantaneous: 2 NO EC delayed: 2 SC: 1 monitored start Basic device Maximum achievable PL according to EN 13849-1: Maximum achievable SIL according to IEC 61508: 3

3TK2845-1DB41 Siemens

$655.86

!!! Phased-out product !!! The successor product series is 3SK2 (see FAQ xxxxxxxxx) SIRIUS safety relay with relay and electronic 24 V DC, 45 mm screw terminal EC instantaneous: 2 NO EC delayed: 2 SC: 1 monitored start Basic device Maximum achievable PL according to EN 13849-1: Maximum achievable SIL according to IEC 61508: 3

3TK2845-1HB41 Siemens

!!! Phased-out product !!! The successor product series is 3SK2 (see FAQ xxxxxxxxx) SIRIUS safety relay with relay and electronic 24 V DC, 45 mm screw terminal EC instantaneous: 2 NO EC delayed: 2 SC: 1 Auto-start and monitored start Basic device Maximum achievable PL according to EN 13849-1: Maximum achievable SIL according to IEC 61508: 3

3TK2845-1FB41 Siemens

!!! Phased-out product !!! The successor product series is 3SK2 (see FAQ xxxxxxxxx) SIRIUS safety relay with relay and electronic 24 V DC, 45 mm screw terminal EC instantaneous: 2 NO EC delayed: 1 SC: 1 Spring-locked tumbler Basic device Maximum achievable PL according to EN 13849-1: Maximum achievable SIL according to IEC 61508: 3

3TK2845-1DB40 Siemens

!!! Phased-out product !!! The successor product series is 3SK2 (see FAQ xxxxxxxxx) SIRIUS safety relay with relay and electronic 24 V DC, 45 mm screw terminal EC instantaneous: 4 NO EC delayed: 0 SC: 1 monitored start Basic device Maximum achievable PL according to EN 13849-1: Maximum achievable SIL according to IEC 61508: 3

3TK2842-2BB44 Siemens

SIRIUS safety relay with electronic enabling circuits (EC) 24 V DC, 22.5 mm Spring-type terminal EC instantaneous: 1 HL EC delayed: 1 HL, 5...300 s SC: 0 Autostart/monitored start Standard device Maximum achieved SIL: 3, PL: e

3TK2842-2BB41 Siemens

SIRIUS safety relay with electronic enabling circuits (EC) 24 V DC, 22.5 mm Spring-type terminal EC instantaneous: 1 HL EC delayed: 1 HL, 0.05...3 s MK: 0 Autostart/monitored start Standard device Maximum achieved SIL: 3, PL: e

3TK2842-1BB44 Siemens

SIRIUS safety relay with electronic enabling circuits (EC) 24 V DC, 22.5 mm Screw terminal EC instantaneous: 1 HL EC delayed: 1 HL, 5...300 s SC: 0 Autostart/monitored start Standard device Maximum achieved SIL: 3, PL: e

3TK2842-1BB42 Siemens

$774.90

SIRIUS safety relay with electronic enabling circuits (EC) 24 V DC, 22.5 mm Screw terminal EC instantaneous: 1 HL EC delayed: 1 HL, 0.5...30 s SC: 0 Autostart/monitored start Standard device Maximum achieved SIL: 3, PL: e

3TK2840-2BB40 Siemens

SIRIUS safety relay with electronic enabling circuits (EC) 24 V DC, 22.5 mm Spring-type terminal EC instantaneous: 2 HL EC delayed: 0 SC: 0 Autostart/monitored start Base unit Maximum achieved SIL: 2, PL: d

3TK2840-1BB40 Siemens

$330.75

SIRIUS safety relay with electronic enabling circuits (EC) 24 V DC, 22.5 mm Screw terminal EC instantaneous: 2 HL EC delayed: 0 SC: 0 Autostart/monitored start Base unit Maximum achieved SIL: 2, PL: d

3TK2834-2BB40 Siemens

$655.86

SIRIUS safety relay with relay enabling circuits (EC) 24 V DC, 45 mm overall width Spring-type terminal EC instantaneous: 2 NO + 2 NC EC delayed: 0 SC: 0 Press control device maximum achieved SIL: 3, PL: e

3TK2834-2AL20 Siemens

SIRIUS safety relay with relay enabling circuits (EC) 230 V AC, 45 mm overall width Spring-type terminal EC instantaneous: 2 NO + 2 NC EC delayed: 0 SC: 0 Press control device maximum achieved SIL: 3, PL: e

3TK2834-2AJ20 Siemens

SIRIUS safety relay with relay enabling circuits (EC) 115 V AC, 45 mm overall width Spring-type terminal EC instantaneous: 2 NO + 2 NC EC delayed: 0 SC: 0 Press control device maximum achieved SIL: 3, PL: e

3TK2834-2AB20 Siemens

SIRIUS safety relay with relay enabling circuits (EC) 24 V AC, 45 mm overall width Spring-type terminal EC instantaneous: 2 NO + 2 NC EC delayed: 0 SC: 0 Press control device maximum achieved SIL: 3, PL: e

3TK2842-2BB42 Siemens

$560.25

SIRIUS safety relay with electronic enabling circuits (EC) 24 V DC, 22.5 mm Spring-type terminal EC instantaneous: 1 HL EC delayed: 1 HL, 0.5...30 s SC: 0 Autostart/monitored start Standard device Maximum achieved SIL: 3, PL: e

3TK2834-1AL20 Siemens

SIRIUS safety relay with relay enabling circuits (EC) 230 V AC, 45 mm overall width Screw terminal EC instantaneous: 2 NO + 2 NC EC delayed: 0 SC: 0 Press control device maximum achieved SIL: 3, PL: e

3TK2834-1AJ20 Siemens

SIRIUS safety relay with relay enabling circuits (EC) 115 V AC, 45 mm overall width Screw terminal EC instantaneous: 2 NO + 2 NC EC delayed: 0 SC: 0 Press control device maximum achieved SIL: 3, PL: e

3TK2842-1BB41 Siemens

$776.39

SIRIUS safety relay with electronic enabling circuits (EC) 24 V DC, 22.5 mm Screw terminal EC instantaneous: 1 HL EC delayed: 1 HL, 0.05...3 s MK: 0 Autostart/monitored start Standard device Maximum achieved SIL: 3, PL: e

3TK2841-2BB40 Siemens

SIRIUS safety relay with electronic enabling circuits (EC) 24 V DC, 22.5 mm Spring-type terminal EC instantaneous: 2 HL EC delayed: 0 SC: 0 Autostart/monitored start Standard device Maximum achieved SIL: 3, PL: e

3TK2841-1BB40 Siemens

$415.60

SIRIUS safety relay with electronic enabling circuits (EC) 24 V DC, 22.5 mm Screw terminal EC instantaneous: 2 HL EC delayed: 0 SC: 0 Autostart/monitored start Standard device Maximum achieved SIL: 3, PL: e

3TK2830-2AJ20 Siemens

$696.10

SIRIUS safety relay with relay enabling circuits (EC) 115 V AC, 22.5 mm Spring-type terminal EC instantaneous: 4 NO EC delayed: 0 MK for retraction: 1 Expansion unit Maximum achieved SIL / PL: as basic unit

3TK2830-1CB30 Siemens

$342.33

SIRIUS safety relay with relay enabling circuits (EC) 24 V AC/DC, 22.5 mm Screw terminal EC instantaneous: 4 NO EC delayed: 0 MK for retraction: 1 Expansion unit Maximum achieved SIL / PL: as basic unit

3TK2830-1AL20 Siemens

$722.25

SIRIUS safety relay with relay enabling circuits (EC) 230 V AC, 22.5 mm Screw terminal EC instantaneous: 4 NO EC delayed: 0 MK for retraction: 1 Expansion unit Maximum achieved SIL / PL: as basic unit