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SIEMENS 6ES7407-0DA02-0AA0 SIMATIC S7-400 Series PLC Power Module

✔ IN STOCK ✔ New Original
  • Delivery time: Shipped in 3 days after payment
  • Condition: Brand New & Original SIEMENS Factory Sealed
  • Warranty: 12 Months Standard Warranty
  • Quality Guarantee: 30-Day Return and Exchange Policy
Part Number

6ES7407-0DA02-0AA0
Product Type SIMATIC S7-400, Power Supply PS407: 4A
Product Origin Germany
Shipping Port Xiamen
Weight 0.76 kg

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The 6ES7407-0DA02-0AA0 is a power module for Siemens SIMATIC S7-400 series PLCs, used to convert AC or DC voltage to the 5V DC and 24V DC operating voltages required by the S7-400 backplane bus.

It supports a wide range of input voltages (120/230V AC/DC) and provides a stable 5V/4A output. The module has a buffer time of approximately 20ms in the event of a power failure and provides an interface for an optional backup battery to enhance system reliability.

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Core Features

  • ✓  Power Conversion: Converts 120/230V AC or DC input to the 5V DC and 24V DC operating voltages required by the S7-400 system.
  • ✓  Stable Power Supply: Provides a stable current output of up to 4A (5V DC) and 0.5A (24V DC) for the S7-400 backplane bus.
  • ✓  Power Failure Buffer: Features a built-in short-term power failure buffer function, maintaining power for approximately 20ms during power outages to prevent data loss or system malfunctions.
  • ✓  Battery Backup: Supports an optional backup battery to retain data for the module's real-time clock and user programs when power is lost.

Technical Specifications

Brand

SIEMENS
Model / Part Number 6ES7407-0DA02-0AA0
Input Voltage AC/DC 120/230V (wide range)
Power Frequency 50/60Hz (allowable range 47-63Hz)
Output Voltage 5V DC / 24V DC
Output Current 5V DC: Max 4A; 24V DC: Max 0.5A
Power-off Buffer Time Typical 20ms
Buffer Battery Optional (1 x AA Lithium Battery, 3.6V)
Power Dissipation Typical 20W
Protection Rating IP20
Dimensions 25mm x 290mm x 217mm
Operating Temperature 0°C to 60°C

Frequently Asked Questions

Q: Can the 6ES7407-0DA02-0AA0 be used in non-S7-400 systems?

A: No, this power module is designed specifically for SIMATIC S7-400 series PLCs and cannot be used in other systems.

Q: How is power-off protection implemented?

A: This module has a built-in power-off buffer time of approximately 20ms to handle brief voltage drops. It also supports the installation of an optional backup battery (AA type 3.6V lithium battery) to maintain data and clock even after a complete power outage.

Q: Where should this power module be installed in the rack?

A: It must be installed in the leftmost slot (slot 1) of the S7-400 rack.

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Product Tags Siemens 6ES7407-0DA02-0AA0          Siemens PS407 4A          S7-400 power supply          PS407 technical data          SIMATIC S7-400 module          Siemens PLC power module         

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