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

Name: SIEMENS 6ES7407-0DA02-0AA0 SIMATIC S7-400 Series PLC Power Module
Availability: InStock

✔ 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

Brand :
Siemens

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Product Details

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.

100% Original & Authentic In-Stock & Fast Shipping Expert Technical Support 12-Month Warranty

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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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