Obsolete spares · Siemens PLC
Siemens S7-300 CPU and module spares in India
Legacy Siemens S7-300 CPUs, digital and analog I/O and communication modules, including 6ES7314, 6ES7315 and 6ES7321 series, refurbished and tested, new surplus or sourced on request. Send the order number from the module. Star Automations is an independent multi-brand supplier and repairer, not an OEM or authorised distributor. Warranty is 3 months to 1 year, stated on each quotation.
S7-300 modules we supply
Send the full 6ES7 number including the version, from the module label.
- S7-300 CPUs (6ES7314, 6ES7315 series)
- Digital input and output modules (6ES7321 and related)
- Analog input and output modules
- Communication processors and interface modules
- Power supply modules
- Memory cards and backplane parts, on request
Condition options and how to order
Stock changes daily, so price and availability are confirmed on WhatsApp or the quote. No online cart: every enquiry goes to a person.
| Option | What it is | Best for |
|---|---|---|
| Refurbished and tested | Repaired or reconditioned and tested before dispatch. | Fast, lower-cost replacement. |
| New surplus | Unused surplus stock, where we hold or can source it. | Critical machines where new condition matters. |
| Core exchange | Send your faulty unit against a tested unit. The credit for your unit is stated on the quote. | Repeat users who want the lowest net cost. |
| Sourced on request | We source, inspect and import the part if it is not in stock. | Obsolete parts nobody stocks in India. |
What to send for price and stock
- Photo of the nameplate or label with the full part number
- Quantity and the condition you want (refurbished tested, new surplus or core exchange)
- Whether the machine is down, so we can quote the fastest route
- Your city, for delivery and dispatch
- For lots or a full BOM, upload the list through the quote form
Questions we are asked
Do you have an S7-300 module in stock?
Stock changes daily. Send the full part number on WhatsApp and we confirm stock and price, or source it for you.
Is it tested?
Refurbished units are tested before dispatch and new surplus units are inspected. Warranty is 3 months to 1 year, stated on each quotation.
Can I send my faulty unit for exchange?
Yes. A core exchange credit is stated on the quote after we see the unit details.
Are you an OEM or authorised distributor?
No. Star Automations is an independent multi-brand supplier and repairer, not an OEM or authorised distributor. Brand names only describe the equipment we supply.
Send the part number. We confirm stock and price, or source it for you.
WhatsApp a photo to +91 97866 22233, or email info@starautomations.com.