6ES7407-0KA01-0AA0 PS 407 Power Supply Module Siemens SIMATIC S7-400 PLC Rack

Siemens S7-400 Power Supply

PS407 10A 24V DC

6ES7407-0KA01-0AA0 Module

6ES7407-0KA01-0AA0

Siemens S7-400 Power Supply module PS407 10A 24V DC (6ES7407-0KA01-0AA0) delivers reliable 24V DC power with 10A output capacity, designed for S7-400 PLC systems in industrial automation and control applications.

Specification

SEODescription

The Siemens S7-400 Power Supply module **6ES7407-0KA01-0AA0** (PS407 10A 24V DC) is a robust 24V DC input unit designed to deliver stable 10A output for powering S7-400 PLC systems. It supports direct integration with up to 4 expansion modules via the backplane, ensuring seamless scalability. Operating within 20.4–28.8V DC input range and a temperature span of 0–60°C, it excels in harsh industrial environments like automation, manufacturing, and process control. Key advantages include high reliability, overload protection, and DIN-rail mounting, though its fixed 10A output may limit flexibility in low-power setups. This module lacks built-in communication interfaces but ensures uninterrupted PLC backbone power.

SEOSpecification

Parameter	Specification
Product Series	Siemens S7-400 Power Supply (PS407 Series)
Module Type	6ES7407-0KA01-0AA0 Module
Input Voltage Range	120-230V AC / 24V DC (Auto-sensing)
Output Current	10A @ 24V DC (PS407 10A)
Power Rating	240W
Backup Voltage	20-28.8V DC (Battery buffering)
Efficiency	≥ 93%
Protection Class	IP20
Certification	UL, CE, cULus
Dimensions (WxHxD)	40 x 125 x 120 mm

SEOQandA

question:Why should we purchase from you?
answer:As Asia's leading industrial automation trade company with 20 years' experience, we ensure reliable products and value reputation, with 85% repeat clients.
question:What shipping methods are available?
answer:We support major carriers like DHL, Fedex, and UPS for fast and reliable global delivery.
question:How do you ensure product quality?
answer:All products undergo strict quality checks and come from trusted manufacturers, backed by our 20-year industry expertise.

SEOQandA_Product

question:Power module 6ES7407-0KA01-0AA0 fails to start. What could be wrong?
answer:Check input voltage matches 120/230V AC or 24V DC specifications. Verify wiring and replace module if voltage is correct but no output.
question:Why does 6ES7407-0KA01-0AA0 overheat and shut down?
answer:Ensure ambient temperature is below 60°C. Clear ventilation obstructions and verify load doesn’t exceed 10A total current.
question:Module 6ES7407-0KA01-0AA0 shows unstable output voltage.
answer:Measure output with multimeter. If outside 24V±5%, replace module or check for short circuits in connected components.
question:6ES7407-0KA01-0AA0 not recognized in S7-400 rack.
answer:Reinstall module securely on backplane. Check for bent pins or debris in slot. Verify compatible rack model (UR1/UR2).
question:No diagnostic LEDs lit on 6ES7407-0KA01-0AA0. What to check?
answer:Confirm power input is active. Test with known-good power source. If LEDs remain off, replace the defective module.