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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 As such, Siemens PLCs, even outdated models, are great contenders for getting you the control you need over your operations and keeping things running as efficiently as possible.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 2857 - 2880 of 52107 products

3TK2851-1BB40 Siemens

$390.84

SIRIUS safety relay with contactor relay enabling circuits (EC) 24 V DC, 90 mm Screw terminal EC instantaneous: 2 NO EC delayed: 0 SC: 1NC Autostart/monitored start Basic device Maximum achieved SIL: 2, PL: d

3TK2852-2BB40 Siemens

SIRIUS safety relay with contactor relay enabling circuits (EC) 24 V DC, 90 mm Spring-type terminal EC instantaneous: 6NO EC delayed: 0 SC: 1NC Autostart/monitored start Basic device Maximum achieved SIL: 2, PL: d

3TK2852-1BB40 Siemens

SIRIUS safety relay with contactor relay enabling circuits (EC) 24 V DC, 90 mm Screw terminal EC instantaneous: 6NO EC delayed: 0 SC: 1NC Autostart/monitored start Basic device Maximum achieved SIL: 2, PL: d

3TK2851-1AJ20 Siemens

SIRIUS safety relay with contactor relay enabling circuits (EC) 115 V DC, 90 mm Screw terminal EC instantaneous: 2 NO EC delayed: 0 SC: 1NC Autostart/monitored start Basic device Maximum achieved SIL: 2, PL: d

3TK2850-2BB40 Siemens

SIRIUS safety relay with contactor relay enabling circuits (EC) 24 V DC, 90 mm Spring-type terminal EC instantaneous: 3 NO EC delayed: 0 SC: 0 Autostart/monitored start Basic device Maximum achieved SIL: 2, PL: d

3TK2850-2AL20 Siemens

SIRIUS safety relay with contactor relay enabling circuits (EC) 230 V DC, 90 mm Spring-type terminal EC instantaneous: 3 NO EC delayed: 0 SC: 0 Autostart/monitored start Basic device Maximum achieved SIL: 2, PL: d

3TK2850-2AJ20 Siemens

SIRIUS safety relay with contactor relay enabling circuits (EC) 115 V DC, 90 mm Spring-type terminal EC instantaneous: 3 NO EC delayed: 0 SC: 0 Autostart/monitored start Basic device Maximum achieved SIL: 2, PL: d

3TK2850-1AL20 Siemens

SIRIUS safety relay with contactor relay enabling circuits (EC) 230 V DC, 90 mm Screw terminal EC instantaneous: 3 NO EC delayed: 0 SC: 0 Autostart/monitored start Basic device Maximum achieved SIL: 2, PL: d

3TK2850-1AJ20 Siemens

SIRIUS safety relay with contactor relay enabling circuits (EC) 115 V DC, 90 mm Screw terminal EC instantaneous: 3 NO EC delayed: 0 SC: 0 Autostart/monitored start Basic device Maximum achieved SIL: 2, PL: d

3TK2845-2HB42 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 Auto-start and monitored start Basic device Maximum achievable PL according to EN 13849-1: Maximum achievable SIL according to IEC 61508: 3

3TK2851-1AL20 Siemens

SIRIUS safety relay with contactor relay enabling circuits (EC) 230 V DC, 90 mm Screw terminal EC instantaneous: 2 NO EC delayed: 0 SC: 1NC Autostart/monitored start Basic device Maximum achieved SIL: 2, PL: d

3TK2845-2FB41 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: 1 SC: 1 Spring-locked tumbler Basic device Maximum achievable PL according to EN 13849-1: Maximum achievable SIL according to IEC 61508: 3

3TK2845-2DB42 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

3TK2845-2DB40 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: 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

3TK2845-1HB44 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

3TK2845-1HB42 Siemens

$2,714.29

3TK2845-1HB40 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 Auto-start and monitored start Basic device Maximum achievable PL according to EN 13849-1: Maximum achievable SIL according to IEC 61508: 3

3TK2845-2HB41 Siemens

3TK2845-1GB41 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 Solenoid-locked tumbler Basic device Maximum achievable PL according to EN 13849-1: Maximum achievable SIL according to IEC 61508: 3

3TK2845-2HB40 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: 4 NO EC delayed: 0 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

3TK2845-1FB44 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

3TK2845-2FB42 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: 1 SC: 1 Spring-locked tumbler Basic device Maximum achievable PL according to EN 13849-1: Maximum achievable SIL according to IEC 61508: 3

3TK2845-1DB44 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 monitored start Basic device Maximum achievable PL according to EN 13849-1: Maximum achievable SIL according to IEC 61508: 3

3TK2845-1DB42 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 monitored start Basic device Maximum achievable PL according to EN 13849-1: Maximum achievable SIL according to IEC 61508: 3