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Siemens

Siemens distributor and supplier — AO Ctrl is an independent China distributor of the SIMATIC control family: S7-1200 and S7-1500 controllers, the legacy S7-300 and S7-400 ranges, HMI panels, SINAMICS drives and SIMOTICS motors, including discontinued S7-200/S7-300 modules and allocation-constrained lines. Condition of every line is stated on the quote.

Independent China Distributor 119,124 parts Fast Global Delivery · Condition-Stated Per Part
8525 products
View 6ES7314-6BF01-0AB0
6ES7314-6BF01-0AB0

6ES7314-6BF01-0AB0

Integrated RS 422/ 485 interface124.0 to 126.7SFB
Ref. price$999.99 – $1,522.48
Lead time on requestGet quote
View 6ES7341-1AH00-0AE0
6ES7341-1AH00-0AE0

6ES7341-1AH00-0AE0

RS232CCommunications Processor24–48 V
Ref. price$244.44
Lead time on requestGet quote
View 1FL6034-2AF21-1AH1
1FL6034-2AF21-1AH1

1FL6034-2AF21-1AH1

1FL6 servomotors for SINAMICS V90
Ref. price$269.24 – $422.00
Lead time on requestGet quote

Siemens by category

Servo Motors6,565PLC I/O & Expansion Modules382PLCs (Programmable Logic Controllers)296PLC Communication Modules238Process / Temperature Controllers185Digital Output Modules163Analog Input Modules113HMI Operator Interfaces82Contactors77Servo Motors with Brake71Remote I/O & Fieldbus Modules58Digital Input Modules57Analog Output Modules38Unclassified36DIN Rail Power Supplies33AC Drives (VFD)31

Siemens series

SIMATIC Industrial PC 2,178 SIMATIC S7 PLC 1,052 Siemens 6AG1 Plcs Series 808 SIMATIC HMI Panel 631 SIMATIC S7 PLC 614 Siemens 3VA9 Breaker Accessories Series 483 SIMATIC S7 PLC 458 Siemens 3VM1 Molded Case Breakers Series 453 SIMATIC S7 PLC 438 Siemens 6GT2 Rfid Auto Id Series 383 All series →

About Siemens Distribution & Sourcing

What buyers ask when they search Siemens distributor.

Selecting & comparing

  • Siemens stock availability
  • Factory lead time bypass
  • BOM consolidation

Buying & lead time

  • RFQ & volume pricing tiers
  • Express dispatch & DDP customs
  • Warranty & DOA replacement

Background

  • Obsolete & EOL spares sourcing
  • Refurbished testing & verification
  • Cross-reference alternatives

Frequently Asked Sourcing & Technical Questions

Q:Is AO Ctrl an authorized distributor for Siemens?

AO Ctrl operates as an independent stocking distributor and turnkey BOM procurement center, not a single-brand franchised dealer. This independence allows us to source active, allocation-constrained, and obsolete Siemens parts across the global supply chain without franchise restrictions.

Q:How fast can in-stock Siemens parts be dispatched?

Verified in-stock Siemens components are prioritized for rapid international express dispatch (DHL, FedEx, UPS); exact timing is confirmed per order. Global DDP door-to-door delivery is available to eliminate customs delays for urgent machine-down requirements.

Q:How does AO Ctrl inspect and verify factory-new and surplus Siemens components?

Every Siemens unit undergoes multi-point physical verification, including factory packaging seal integrity, hardware revision and serial number alignment, terminal integrity, and pre-shipment photo documentation shared with the buyer prior to dispatch.

Q:Can I source hard-to-find or long-lead-time Siemens automation parts?

Yes, we specialize in immediate spot-stock fulfillment and emergency sourcing for allocation-constrained and hard-to-find Siemens modules, skipping standard 16-26 week factory lead times with 24-48h rush dispatch.

Q:How do I request a quote or submit a multi-line Siemens BOM?

Submit your Bill of Materials (BOM) in Excel, CSV, or by entering part numbers in the RFQ form. Our sourcing desk consolidates all Siemens lines into a single competitive quote with firm lead times within one business day.