Sales and repairs of power supplies for SIMATIC S7-300

S7-300 power supplies – new and refurbished parts and repairs

SIMATIC S7-300 power supplies power the PLC and connected devices. We supply Siemens PS 307 power supplies to suit the current demand and system configuration.

FOXON ships parts worldwide and accepts faulty parts for repair
Enquire about purchase or repair

We will send a non-binding quote within 1 hour.

  • Worldwide delivery
  • Our own and partner parts stock
  • Professional repairs
  • Parts with warranty
More about selecting S7-300 power supplies parts

S7-300 Power Supplies for SIEMENS SIMATIC S7-300

The power supply ensures a stable power supply to the CPU and connected modules. When selecting a power supply, verify the input voltage, output, power rating, and requirements of the entire workstation.

Typical Uses and Proper Selection

The power supply must be able to handle the power consumption of the entire S7-300 station with the necessary margin. We will verify the input voltage, output current, module type, space on the rail, and compatibility with other components of the system.

Please send us the full order number, a photo of the label, and, if possible, information about the wiring or project. Based on this information, we will verify compatibility, the availability of a new or refurbished part, whether a repair is possible, and a suitable replacement.

How do you choose the right model?

The most reliable method is to select the part based on the complete SIEMENS part number. When replacing a part, we recommend that you also verify the hardware and firmware versions, the part’s function, the station configuration, and compatibility in TIA Portal.

  • the complete order number and the quantity requested,
  • the function and technical specifications of the original part,
  • compatibility with the CPU, expansion modules, and the project in question.

New and refurbished parts from our warehouses

For current S7-300 parts, we primarily check the availability of new, genuine SIEMENS parts. We have access to an extensive network of industrial parts warehouses in Europe and around the world, so we can also verify the availability of refurbished, discontinued, and hard-to-find variants.

Spare Parts Warehouse for Industrial Automation
Spare parts warehouse for industrial automation.
Warehouse for Industrial Parts and Automation Components
Warehouse for industrial parts and automation components.

Repairs of SIEMENS SIMATIC S7-300 Parts

You can send the defective part to FOXON for diagnosis and repair. We perform repairs at specialized repair centers in Europe, and after repair, the parts are functionally tested under load.

Specialized Repair Center for Industrial Electronics
A specialized repair center for industrial electronics.
Diagnosis and Repair of Industrial Electronics
Diagnosis and repair of industrial electronics.
Details of an Electronics Repair on Industrial Equipment
Details of an electronics repair on industrial equipment.

Frequently Asked Questions

How do you determine the correct power rating for a power supply?

Add up the power consumption of the CPU, I/O modules, and connected devices, and allow for the necessary power reserve.

How quickly can you deliver the part?

Delivery times depend on the specific part and warehouse. Thanks to our access to numerous warehouses, we can typically arrange delivery within a few days; for urgent needs, we can offer express delivery within a matter of hours. For urgent requests, call us immediately—we can arrange express delivery of selected parts day or night.

Is the order number enough for the inquiry?

Yes. Ideally, provide the full number from the label and the requested quantity; a photo of the label will also be helpful for replacements or repairs.

Sales, Repair, Purchase
6ES7 307-1EA00-0AA0

6ES7 307-1EA00-0AA0

In external stock
Code: 6ES7 307-1EA00-0AA0
SIMATIC S7-300 Regulated power supply PS307 input: 120/230 V AC, output: 24 V/5 A DC
Sales, Repair, Purchase
6ES7307-1KA01-0AA0

6ES7307-1KA01-0AA0

In external stock
Code: 6ES7307-1KA01-0AA0
SIMATIC S7-300 Regulated power supply PS307 input: 120/230 V AC, output: 24 V / 10 A DC
Sales, Repair, Purchase
6ES7307-1KA00-0AA0

6ES7307-1KA00-0AA0

In external stock
Code: 6ES7307-1KA00-0AA0
SIMATIC S7-300, stabilized power supply, PS 307, 120/230 V AC; 24 V DC, 10 A
Sales, Repair, Purchase
6ES7307-1EA00-0AA0

6ES7307-1EA00-0AA0

In external stock
Code: 6ES7307-1EA00-0AA0
SIMATIC S7-300 Regulated power supply PS307 input: 120/230 V AC, output: 24 V/5 A DC
Sales, Repair, Purchase
6ES7307-1BA00-0AA0

6ES7307-1BA00-0AA0

In external stock
Code: 6ES7307-1BA00-0AA0
SIMATIC S7-300 Regulated power supply PS307 input: 120/230 V AC, output: 24 V DC/2 A
Sales, Repair, Purchase
6ES7307-1KA02-0AA0

6ES7307-1KA02-0AA0

In external stock
Code: 6ES7307-1KA02-0AA0
SIMATIC S7-300 STABILIZED POWER SUPPLY PS307 INPUT: 120/230 V AC OUTPUT: DC 24 V DC/10 A
Sales, Repair, Purchase
6ES7307-1EA01-0AA0

6ES7307-1EA01-0AA0

In stock
Code: 6ES7307-1EA01-0AA0
from 31 EUR excl. VAT
from 37,51 EUR Incl. VAT
SIMATIC S7-300 STABILIZED POWER SUPPLY PS307 INPUT: 120/230 V AC OUTPUT: DC 24 V DC/5 A
Sales, Repair, Purchase
6ES7305-1BA80-0AA0

6ES7305-1BA80-0AA0

In external stock
Code: 6ES7305-1BA80-0AA0
SIMATIC S7-300 with Regulated power supply PS305 input: 24-110 V DC output: 24 V DC/2 A
Sales, Repair, Purchase
6ES7307-1BA01-0AA0

6ES7307-1BA01-0AA0

In stock
Code: 6ES7307-1BA01-0AA0
from 23 EUR excl. VAT
from 27,83 EUR Incl. VAT
SIMATIC S7-300 Regulated power supply PS307 input: 120/230 V AC, output: 24 V DC/2 A
Sales, Repair, Purchase
6ES7307-1EA80-0AA0

6ES7307-1EA80-0AA0

In external stock
Code: 6ES7307-1EA80-0AA0
SIMATIC S7-300 Outdoor Regulated power supply PS307 input: 120/230 V AC, output: 24 V/5 A DC
How to capture sporadic faults on Siemens S7 PLCs

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