Siemens 6ES7407-0DA00-0AA0 Power Supply Unit

Siemens 6ES7407-0DA00-0AA0 Product Overview

The Siemens 6ES7407-0DA00-0AA0 is a SIMATIC S7-400 power supply unit engineered for dependable industrial automation systems. It delivers stable operating power for S7-400 racks while supporting continuous controller performance in demanding production environments.

Furthermore, this power supply unit maintains consistent voltage output for CPUs, communication processors, and I/O modules. Its industrial-grade design enhances system reliability and helps engineers minimize unexpected production interruptions.

Technical Specifications

Parameter	Description
Brand	Siemens
Model	6ES7407-0DA00-0AA0
Product Category	SIMATIC S7-400 Power Supply Unit
Compatible System	SIMATIC S7-400 PLC
Input Voltage	120/230 V AC, 50/60 Hz
Input Voltage Range	85–264 V AC
Output Voltage	5 V DC
Rated Output Current	10 A
Output Power	50 W
Connection Interface	Integrated backplane power connector
Installation Method	Direct mounting on S7-400 rack
Dimensions (W × H × D)	Approx. 50 × 290 × 219 mm
Weight	Approx. 1.0 kg
Energy Storage	Internal filtering capacitors for voltage stabilization
Module Quantity	1 power supply unit

Design Features and Performance

The Siemens 6ES7407-0DA00-0AA0 provides regulated 5 V DC output that supports reliable controller operation throughout extended production cycles. Additionally, the wide AC input range allows flexible deployment across different industrial power networks.

The compact housing fits directly into the S7-400 rack without requiring additional mounting hardware. Moreover, integrated protection circuits help prevent overload conditions while improving long-term equipment reliability.

The unit incorporates internal filtering capacitors that stabilize output voltage during normal operating fluctuations. Consequently, connected automation components receive continuous and dependable electrical power.

Industrial Applications

The 6ES7407-0DA00-0AA0 supports automation systems requiring stable power delivery for mission-critical industrial control equipment. Therefore, it serves manufacturing facilities, power generation plants, water treatment stations, and process automation installations effectively.

Additionally, the power supply simplifies system maintenance through standardized S7-400 integration and reliable electrical performance. As a result, engineers improve operational continuity while reducing maintenance costs and equipment downtime.