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.

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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.

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Siemens  3TH30310AF6

Siemens 3TH30310AF6

CONTACTOR RELAY, 4POLE, 3NO/1NC, AC OPERATING SYSTEM, SCREW TERMINALS, 110VAC 50/60HZ, DIN RAIL MOUNT

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Siemens  3TH20227BB4

Siemens 3TH20227BB4

contactor relay, 22E, EN 50011, 2 NO + 2 NC flat connector terminal screw mounting (diagonal) DC operation 24 V DC

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Siemens  3TF54220XP0

Siemens 3TF54220XP0

Contactor AC 50 HZ, 230/220 V AC3 400 V 250 A 132 kW AUX. contacts: 2 NO + 2 NC size 10 screw connection

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Siemens  3TH42710AJ1

Siemens 3TH42710AJ1

Contactor relay, 71E, DIN EN 50011, 7 NO + 1 NC, screw terminal AC operation 115 V 60 Hz/96 V AC 50 Hz

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Siemens  3TF50440XM0

Siemens 3TF50440XM0

Contactor AC 50 HZ, 220 V AC3 400 V 110 A 55 kW AUX. contacts: 4 NO + 4 NC size 6 screw connection

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Siemens  3TK19630A

Siemens 3TK19630A

Contact pieces with mounting parts for 3TK13 4 movable and 8 fixed contacts

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Siemens  3TH20407BF4

Siemens 3TH20407BF4

contactor relay, 40E, EN 50011, 4NO, flat connector terminal screw mounting (diagonal) 110 V DC DC operation

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Siemens  3TF55220XF0

Siemens 3TF55220XF0

Contactor AC 50 HZ, 110 V AC3 400 V 300 A 160 kW AUX. contacts: 2 NO + 2 NC size 10 screw connection

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Siemens  3TF50020AF0

Siemens 3TF50020AF0

Power contactor, 3-pole, SICOP 3TF series, designed for switching electric circuits and controlling AC motors in ind...

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Siemens  3TF50220XP0

Siemens 3TF50220XP0

Contactor AC 50 HZ, 230/220 V AC3 400 V 110 A 55 kW AUX. contacts: 2 NO + 2 NC size 6 screw connection

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Siemens  3TF47720AF0

Siemens 3TF47720AF0

Power contactor from the SIRIUS 3TF series, designed for switching and controlling electrical systems like squirrel c...

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Siemens  3TF83320AJ2

Siemens 3TF83320AJ2

COMPACT REVERSING STARTER, SIZE 0 AC-3, 5.5KW, 400/380V, AUXILIARY CONTACTS, 1NO+1NC, AC OPERATION, 115VAC, 50/60HZ

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