Siemens catalog
Siemens industrial automation parts
Browse 1,101 published Siemens parts or search by exact model number.
Source Siemens parts by model number
Siemens SIMATIC, SINAMICS, and SITOP parts remain among the most requested SKUs in global MRO and retrofit projects. UsedAutomations indexes published Siemens CPUs, I/O, HMIs, drives, and power modules by exact order number so buyers can move from obsolescence alerts to a quote without wading through unstructured marketplace listings. We focus on secondary-market inventory—surplus, removed-from-service, and refurbished stock—where condition, firmware, and photo evidence must be confirmed before payment. Whether you are supporting an existing S7 or TIA portal line, replacing a failed operator panel, or sourcing a discontinued SINAMICS frame size, start from the catalog below or search the precise MLFB. Submit an RFQ with quantity, ship-to country, and required condition; we respond with availability, lead time, and stated quote terms rather than cart checkout.
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
1,101 published listings · Page 10 of 46

53.15-0.4
Siemens 2 port seat valve with Flange VVF 53.15-0.4
Siemens
- Condition
- Ask for condition
- Availability
- In stock
- Lead time
- Lead time on quote

522-1BH01-0AB0
Siemens Simatic S7- 1500 6ES7 522-1BH01-0AB0 Digital Output Module
Siemens
- Condition
- Ask for condition
- Availability
- In stock
- Lead time
- Lead time on quote

521-1BH00-0AB0
Siemens Simatic S7- 1500 6ES7 521-1BH00-0AB0 Digital Input Module
Siemens
- Condition
- Ask for condition
- Availability
- In stock
- Lead time
- Lead time on quote

516-3FN01-0AB0
Siemens 6ES7 516-3FN01-0AB0 CPU Module
Siemens
- Condition
- Ask for condition
- Availability
- In stock
- Lead time
- Lead time on quote

515-2FM02-0AB0
Siemens 6ES7 515-2FM02-0AB0 CPU
Siemens
- Condition
- Ask for condition
- Availability
- In stock
- Lead time
- Lead time on quote

4FD5183-0AA30-1A
Siemens 4FD5183-0AA30-1A SIDACS Power Supply
Siemens
- Condition
- Ask for condition
- Availability
- In stock
- Lead time
- Lead time on quote

4CA50
Siemens 6ES7 194 4CA50 0AA0 Connection Module
Siemens
- Condition
- Ask for condition
- Availability
- In stock
- Lead time
- Lead time on quote

4AV2106-2EB00-0A
Siemens Sidac-S Power Supply 4AV2106-2EB00-0A
Siemens
- Condition
- Ask for condition
- Availability
- Available on request
- Lead time
- Lead time on quote

4AV2000-2AB
Siemens 4AV2000-2AB Rectifier Unit
Siemens
- Condition
- Ask for condition
- Availability
- In stock
- Lead time
- Lead time on quote

4AM5941-5AT10-0B
Siemens 4AM5941-5AT10-0B Single Phase Control Transformer
Siemens
- Condition
- Ask for condition
- Availability
- In stock
- Lead time
- Lead time on quote

4AM5741-5AT10-B
Siemens 4AM5741-5AT10-B Single Phase Control Transformer
Siemens
- Condition
- Ask for condition
- Availability
- In stock
- Lead time
- Lead time on quote

4AD00
Siemens 6ES7 194 4AD00 0AA0 Connection Module
Siemens
- Condition
- Ask for condition
- Availability
- In stock
- Lead time
- Lead time on quote

443-1GX11-0XE0
Siemens 6GK7 443-1GX11-0XE0 Communications Processor
Siemens
- Condition
- Ask for condition
- Availability
- In stock
- Lead time
- Lead time on quote

443-1EX11-0XE0
Siemens 6GK7 443-1EX11-0XE0 Communication Processor
Siemens
- Condition
- Ask for condition
- Availability
- In stock
- Lead time
- Lead time on quote

443-1EX11-0XE0
Siemens 6GK7 443-1EX11-0XE0 Communication Processor
Siemens
- Condition
- Ask for condition
- Availability
- In stock
- Lead time
- Lead time on quote

441-2AA03-0AE0
Siemens Simatic S7 6ES7 441-2AA03-0AE0 Communication Module
Siemens
- Condition
- Ask for condition
- Availability
- In stock
- Lead time
- Lead time on quote

44-0BM4
SIEMENS Contactor 3TH42 44-0BM4
Siemens
- Condition
- Ask for condition
- Availability
- In stock
- Lead time
- Lead time on quote

437-2BA10
Siemens 6EP1 437-2BA10 Sitop Power 40
Siemens
- Condition
- Ask for condition
- Availability
- In stock
- Lead time
- Lead time on quote

436-2BA00
Siemens 6EP1 436-2BA00 Sitop 20 Power Supply
Siemens
- Condition
- Ask for condition
- Availability
- In stock
- Lead time
- Lead time on quote

432-1HF00-0AB0
Siemens 6ES7 432-1HF00-0AB0 Analog Output Module
Siemens
- Condition
- Ask for condition
- Availability
- In stock
- Lead time
- Lead time on quote

431-1KF00-0AB0
Siemens 6ES7 431-1KF00-0AB0 Analog Input Module
Siemens
- Condition
- Ask for condition
- Availability
- In stock
- Lead time
- Lead time on quote

422-1BL00-0AA0
Siemens 6ES7 422-1BL00-0AA0 Digital Output Module - New
Siemens
- Condition
- Ask for condition
- Availability
- In stock
- Lead time
- Lead time on quote

422-1BL00-0AA0
Siemens 6ES7 422-1BL00-0AA0 Digital Output Module
Siemens
- Condition
- Ask for condition
- Availability
- In stock
- Lead time
- Lead time on quote

421-1BL01-0AA0
Siemens 6ES7 421-1BL01-0AA0 Digital Input Module - New
Siemens
- Condition
- Ask for condition
- Availability
- In stock
- Lead time
- Lead time on quote
Need a Siemens quote?
Send us the exact Siemens model number, quantity, and destination. We will check current sourcing options.