Siemens SIMATIC S7-400 Series Series Power Supply for Use with SIMATIC S7-400, 230 V

Subtotal (1 unit)*

£933.24

(exc. VAT)

£1,119.89

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • 7 unit(s) ready to ship from another location
  • Plus 2 unit(s) shipping from 15 October 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£933.24

*price indicative

RS Stock No.:
226-3972
Distrelec Article No.:
303-99-809
Mfr. Part No.:
6ES7407-0KA02-0AA0
Brand:
Siemens
Find similar products by selecting one or more attributes.
Select all

Brand

Siemens

Accessory Type

Power Supply

Range

S7-400

Series

SIMATIC S7-400 Series

For Use With

SIMATIC S7-400

Supply Voltage

230 V

Output Current

10 A

Maximum Operating Temperature

+60°C

Dimensions

50 x 290 x 217 mm

COO (Country of Origin):
DE

Siemens Power Supply, Rack Mounting, 120 to 230V AC/DC Supply Voltage - SIMATIC Series - 6ES7407-0KA02-0AA0


Get your control-system modules up and running with this Siemens power supply. The unit converts input voltages to 5 and 24V DC loads, adjusting mains supplies to work with your system in a flash. With its short-circuit protection, the device cuts power faults off as they pop up to reduce the risk of hardware damage. Mounting the module takes no time as it slips onto a standard rack (such as 226-3954). LED indicators are on duty to show input and fault status at a glance, making inspections hassle-free. Power supplies like this are essential bits of kit in food production lines and fluid management systems.

Features & Benefits


• Power loss of just 20W to minimise energy waste
• Continues functioning for up to 20ms after a mains failure, reducing disruption from unstable connections
• Built-in potential separation between input and output to prevent damage from surges
• Simple 3-wire electrical connection for quick installation

Can I fit a backup battery to this power supply?


Yes, this unit takes one 3.6V AA battery that provides backup energy to keep your system data safe if there's a power outage.

Related links