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SIEMENS collection
SIEMENS
Siemens is a global industrial automation powerhouse, recognized for its comprehensive portfolio in process control, discrete manufacturing, and building automation. Their product lines, including SIMATIC PLCs, SINAMICS drives, and HMI panels, are engineered for robust performance and seamless integration across diverse industrial environments. Engineers and technicians rely on Siemens for its proven reliability, extensive documentation, and long-term product availability, making it a staple in critical applications. Industrial Automation Co. stocks new and refurbished Siemens parts with quote-based pricing.
5M+
Our 5M+ catalog features active breakers, drives, PLCs, relays, and operator interfaces.
24 Months
We offer 24 months warranty on selected brands
24h
Typical quote turnaround for hard-to-source and legacy replacement requests
OEM+
New, refurbished, and surplus paths surfaced clearly for procurement teams
Hard-to-find parts, sourced fast
Real value
Access millions of industrial automation components across PLCs, drives, HMIs, and more. We help you locate discontinued, surplus, and in-demand parts without delays.
Built for urgent procurement
RFQ ready
Submit RFQs for multiple part numbers and get fast, accurate quotes. Ideal for maintenance teams, resellers, and engineers working against downtime.
Verified parts you can rely on
Trusted data
Every listing is backed by supplier validation, condition transparency, and real availability—so you can purchase with confidence.
Global sourcing, local reliability
Worldwide trust.
We work with trusted suppliers worldwide to deliver quality automation parts quickly—reducing lead times and keeping your operations running.
Siemens 3TK28342AB20
SIRIUS safety relay with relay enabling circuits (EC) 24 V AC, 45 mm overall width Spring-type terminal EC instantane...
Siemens 3TK28532BB40
SIRIUS safety relay with contactor relay enabling circuits (EC) 24 V DC, 90 mm Spring-type terminal EC instantaneous:...
Siemens 3TK28452DB41
!!! Phased-out product !!! The successor product series is 3SK2 (see FAQ xxxxxxxxx) SIRIUS safety relay with relay an...
Siemens 3TY75300X
Contactor spare part contacts and contact bridge for 3TF53
Siemens 3TL81003BF55
Vacuum Contactor 400A 7.2kV with short operating shaft with auxiliary switch 4NO+4NC auxiliary contacts wirend to ter...
Siemens 3TK20400AL2
Miniature contactor, screw terminal, 4NO Snap-on mounting standard mounting rail 230/220 V AC 50/60 Hz AC operation
Siemens 3TK28282AJ21
SIRIUS safety relay with relay enabling circuits (EC) 115 V AC, 45 mm overall width Spring-type terminal EC instantan...
Siemens 3TK28451FB44
!!! Phased-out product !!! The successor product series is 3SK2 (see FAQ xxxxxxxxx) SIRIUS safety relay with relay an...
Siemens 3TK28282AL20
SIRIUS safety relay with relay enabling circuits (EC) 230 V AC, 45 mm overall width Spring-type terminal EC instantan...
Siemens 3TK28281AB21
SIRIUS safety relay with relay enabling circuits (EC) 24 V AC, 45 mm overall width Screw terminal EC instantaneous: 2...
Siemens 3TK20406BB4
Miniature contactor, Soldering pin connection, 4NO screw mounting (diagonal) 24 V DC DC operation
Siemens 3TH40220AK2
CONTACTOR RELAY 22E EN 50 011 2NO+2NC, SCREW TERMINALS AC OPERATION AC 50/60HZ 120V
