UsedAutomations — TESTED SURPLUS & OBSOLETE CONTROLS
Siemens logo

Siemens catalog

Siemens industrial automation parts

Browse 1,105 published Siemens parts or search by exact model number.

Source Siemens parts by model number

Find Siemens automation parts by the complete order number printed on the product label. The SIMATIC ET 200S, ET 200SP, ET 200pro, S7-1200, S7-1500, S7-200 CN, S7-300 / ET 200M and S7-400 guides below link documented controllers, I/O modules and accessories. Check signal type, function class and the terminal module or BaseUnit specified for the exact product. Model pages include specifications and their manufacturer sources. For other SIMATIC, SINAMICS, SITOP or HMI parts, search the full order number in the catalog. Include quantity, destination, acceptable condition, hardware functional status and required firmware in your enquiry. UsedAutomations is an independent supplier; current supply, unit photos, testing information, price and dispatch timing are confirmed for the quoted unit.

Browse by product series

Siemens sourcing trust checklist

Actual photos when available

Nameplate, condition, and visible wear can be shared before quote when stock photos are not enough.

Test notes for used units

Power-on or function test status is stated when available, with clear condition grading.

Trackable global shipping

DHL, FedEx, UPS, or forwarder options can be quoted with packing photos and tracking details.

Clear DOA boundary

For tested units, quote terms can include 7-day DOA support unless otherwise stated.

All Siemens parts

1,105 published listings · Page 2 of 47

Siemens LZS:RT 4A4L24 Plug-In Interface Relay

LZS

Siemens LZS:RT 4A4L24 Plug-In Interface Relay

Siemens

Condition
Ask for condition
Availability
In stock
Lead time
Lead time on quote
$37.581 sourceUpdated Jun 26, 2026
RFQRequest quote →
Siemens LME22.232C2 Burner Control Unit

LME22.232C2

Siemens LME22.232C2 Burner Control Unit

Siemens

Condition
Ask for condition
Availability
In stock
Lead time
Lead time on quote
$142.811 sourceUpdated Jun 26, 2026
RFQRequest quote →
Telemecanique LC1D12BL Contactor

LC1D12BL

Telemecanique LC1D12BL Contactor

Siemens

Condition
Ask for condition
Availability
In stock
Lead time
Lead time on quote
$37.581 sourceUpdated Jun 26, 2026
RFQRequest quote →
Siemens ET 200L DI16/D016 x DC24V/0.5A Module

DC24V/0.5A

Siemens ET 200L DI16/D016 x DC24V/0.5A Module

Siemens

Condition
Ask for condition
Availability
In stock
Lead time
Lead time on quote
$135.291 sourceUpdated Jun 26, 2026
RFQRequest quote →
ABB MC502 C6 SD Memory Card

Class6

ABB MC502 C6 SD Memory Card

Siemens

Condition
Ask for condition
Availability
In stock
Lead time
Lead time on quote
$263.071 sourceUpdated Jun 26, 2026
RFQRequest quote →
Siemens C79453-A 3033-A 953 Fibre Pen

C79453-A

Siemens C79453-A 3033-A 953 Fibre Pen

Siemens

Condition
Ask for condition
Availability
In stock
Lead time
Lead time on quote
$15.031 sourceUpdated Jun 26, 2026
RFQRequest quote →
Siemens C79453-A 3033-A 952 Fibre Pen

C79453-A

Siemens C79453-A 3033-A 952 Fibre Pen

Siemens

Condition
Ask for condition
Availability
In stock
Lead time
Lead time on quote
$15.031 sourceUpdated Jun 26, 2026
RFQRequest quote →
Siemens C79453-A 3033-A 954 Fibre Pen

C79453-A

Siemens C79453-A 3033-A 954 Fibre Pen

Siemens

Condition
Ask for condition
Availability
In stock
Lead time
Lead time on quote
$15.031 sourceUpdated Jun 26, 2026
RFQRequest quote →
Siemens C79453-A 3033-A 951 Fibre Pen

C79453-A

Siemens C79453-A 3033-A 951 Fibre Pen

Siemens

Condition
Ask for condition
Availability
In stock
Lead time
Lead time on quote
$15.031 sourceUpdated Jun 26, 2026
RFQRequest quote →
Siemens C73451-A3001-B104 Power Supply

C73451-A3001-B104

Siemens C73451-A3001-B104 Power Supply

Siemens

Condition
Ask for condition
Availability
In stock
Lead time
Lead time on quote
$1,465.681 sourceUpdated Jun 26, 2026
RFQRequest quote →
Siemens C73451-A3000-L103 Controller PCB Module

C73451-A3000-L103

Siemens C73451-A3000-L103 Controller PCB Module

Siemens

Condition
Ask for condition
Availability
In stock
Lead time
Lead time on quote
$202.941 sourceUpdated Jun 26, 2026
RFQRequest quote →
Siemens 6ES7 223-1 BL22-0XA0 Digital I/O Module

BL22-0XA0

Siemens 6ES7 223-1 BL22-0XA0 Digital I/O Module

Siemens

Condition
Ask for condition
Availability
In stock
Lead time
Lead time on quote
$526.141 sourceUpdated Jun 26, 2026
RFQRequest quote →
Siemens 6ES7 972-0DA00-0AA0 Profibus Terminator

972-0DA00-0AA0

Siemens 6ES7 972-0DA00-0AA0 Profibus Terminator

Siemens

Condition
Ask for condition
Availability
In stock
Lead time
Lead time on quote
$105.231 sourceUpdated Jun 26, 2026
RFQRequest quote →
Siemens 6ES7 972-0AB01-0XA0 Diagnostic Repeater

972-0AB01-0XA0

Siemens 6ES7 972-0AB01-0XA0 Diagnostic Repeater

Siemens

Condition
Ask for condition
Availability
In stock
Lead time
Lead time on quote
$729.081 sourceUpdated Jun 26, 2026
RFQRequest quote →
Siemens 6ES7 972-0AA02-0XA0 RS 485-REPEATER

972-0AA02-0XA0

Siemens 6ES7 972-0AA02-0XA0 RS 485-REPEATER

Siemens

Condition
Ask for condition
Availability
In stock
Lead time
Lead time on quote
$435.951 sourceUpdated Jun 26, 2026
RFQRequest quote →
Siemens 6ES7 972-0AA01-0XA0 RS 485-REPEATER

972-0AA01-0XA0

Siemens 6ES7 972-0AA01-0XA0 RS 485-REPEATER

Siemens

Condition
Ask for condition
Availability
In stock
Lead time
Lead time on quote
$135.291 sourceUpdated Jun 26, 2026
RFQRequest quote →
Siemens Simatic S5 6ES5 930-8MD11 Power Supply

930-8MD11

Siemens Simatic S5 6ES5 930-8MD11 Power Supply

Siemens

Condition
Ask for condition
Availability
In stock
Lead time
Lead time on quote
$127.781 sourceUpdated Jun 26, 2026
RFQRequest quote →
Siemens Simatic 6ES7 953 8LF11 0AA0 64KB SD Memory Card

8LF11

Siemens Simatic 6ES7 953 8LF11 0AA0 64KB SD Memory Card

Siemens

Condition
Ask for condition
Availability
In stock
Lead time
Lead time on quote
$45.11 sourceUpdated Jun 26, 2026
RFQRequest quote →
Siemens Simatic 6ES7 954 8LF03 0AA0 24MB SD Memory Card

8LF03

Siemens Simatic 6ES7 954 8LF03 0AA0 24MB SD Memory Card

Siemens

Condition
Ask for condition
Availability
Available on request
Lead time
Lead time on quote
$240.521 sourceUpdated Jun 26, 2026
RFQRequest quote →
Siemens Simatic 6ES7 954 8LE03 0AA0 12MB SD Memory Card

8LE03

Siemens Simatic 6ES7 954 8LE03 0AA0 12MB SD Memory Card

Siemens

Condition
Ask for condition
Availability
In stock
Lead time
Lead time on quote
$180.391 sourceUpdated Jun 26, 2026
RFQRequest quote →
Siemens Simatic Rack PC 840 V2

840

Siemens Simatic Rack PC 840 V2

Siemens

Condition
Ask for condition
Availability
Available on request
Lead time
Lead time on quote
$1,713.721 sourceUpdated Jun 26, 2026
RFQRequest quote →
Siemens Sitrans P 7MF4433-1CA02-1AB1 Differential Pressure Transmitter

7MF4433-1CA02-1AB1

Siemens Sitrans P 7MF4433-1CA02-1AB1 Differential Pressure Transmitter

Siemens

Condition
Ask for condition
Availability
In stock
Lead time
Lead time on quote
$1,134.971 sourceUpdated Jun 26, 2026
RFQRequest quote →
Siemens FC mass 2100 7ME4100-1DM10-2AA1

7ME4100-1DM10-2AA1

Siemens FC mass 2100 7ME4100-1DM10-2AA1

Siemens

Condition
Ask for condition
Availability
In stock
Lead time
Lead time on quote
$3,194.441 sourceUpdated Jun 26, 2026
RFQRequest quote →
Siemens 7KM9300-0AM00-0AA0 Expansion Module

7KM9300-0AM00-0AA0

Siemens 7KM9300-0AM00-0AA0 Expansion Module

Siemens

Condition
Ask for condition
Availability
In stock
Lead time
Lead time on quote
$187.911 sourceUpdated Jun 26, 2026
RFQRequest quote →

Need a Siemens quote?

Send us the exact Siemens model number, quantity, and destination. We will check current sourcing options.

Request Quote