Siemens 6ES74070KA020AA0 PS407 Power Supply Module

Product Description

The SIEMENS 6ES74070KA020AA0 is a PS407 series power supply module designed for use in Siemens S7-400 programmable logic controller (PLC) rack systems. This module converts incoming AC or DC line voltage to regulated DC power for the S7-400 backplane, supplying the CPU and installed I/O modules with stable operating power. It is installed by industrial automation technicians and controls electricians working on process control, manufacturing, and machine automation systems. The module ships as a single unit and measures 11.614 inches long, 9.173 inches wide, and 2.480 inches tall, weighing 2.932 pounds.

The PS407 power supply module fits into the S7-400 rack and is used in both new installations and replacement applications across a wide range of industrial environments. Typical installations include process control panels, factory automation cells, and distributed control system cabinets where reliable PLC backplane power is critical. This module is suited for facilities maintenance teams and systems integrators servicing or commissioning S7-400 based control architectures.

Key Features

• PS407 series module designed for Siemens S7-400 PLC rack backplane power
• Compact form factor at 11.614 x 9.173 x 2.480 inches for standard rack mounting
• Single-unit pack for straightforward replacement or new build installation
• Lightweight at 2.932 pounds for easier handling during panel work

Compatibility

Designed as an OEM-style replacement or new installation power supply module for Siemens S7-400 series PLC rack systems.

Installation Notes

Installation should be performed by a qualified controls electrician or industrial automation technician familiar with PLC rack systems. Disconnect and lock out all power to the S7-400 rack before removing or inserting the power supply module. Follow applicable NEC guidelines and the system manufacturer's documentation for rack wiring and grounding requirements. Do not hot-swap the module unless the specific rack configuration and firmware revision explicitly support that operation.

Technical Specifications

• Series: PS407
• Length: 11.614 inches
• Width: 9.173 inches
• Height: 2.480 inches
• Weight: 2.932 pounds
• Pack Quantity: 1
• UPC: 66264318125

Standard Information

• Brand: SIEMENS
• Manufacturer Part Number: 6ES74070KA020AA0