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Siemens 6ES7971-0BA00 SIMATIC S7-400 Backup Battery

Siemens SIMATIC S7-400 Backup Battery for PS 405/407.

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ManufacturerSiemens

Part number6ES7971-0BA00

Part Number 6ES7971-0BA00

Manufacturer Siemens

Series SIMATIC S7-400

Voltage 3.6V

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12-month warranty

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3.6V / 2.3Ah capacity Maintains real-time clock Retains PLC memory For S7-400 PS 405/407 Essential for system integrity

Product description

The Siemens 6ES7971-0BA00 is a backup battery designed for SIMATIC S7-400 programmable logic controllers. It provides a 3.6V voltage and 2.3 Ah capacity, specifically intended to power the real-time clock and retain memory in Siemens PS 405 (4A, 10A, 20A) and PS 407 (4A, 10A, 20A) series power supplies.

This battery ensures the continuous operation of critical functions like the real-time clock and volatile memory during power outages or when the main power supply is switched off. It is essential for maintaining system integrity and preventing data loss in industrial automation applications across various sectors, including manufacturing and process control.

As a veteran-owned surplus parts distributor, Stanlo Automation is committed to providing reliable and cost-effective solutions. The Siemens 6ES7971-0BA00 is available from our inventory to support your automation maintenance and upgrade needs.

Technical specifications

Part Number	6ES7971-0BA00
Manufacturer	Siemens
Series	SIMATIC S7-400
Voltage	3.6V
Capacity	2.3 Ah
Compatibility	PS 405 (4A/10A/20A), PS 407 (4A/10A/20A)

Common applications

Industrial Automation

PLC systems

Data retention

Real-time clock backup

Manufacturing equipment

Compatible systems

Siemens PS 405 (4A, 10A, 20A) Siemens PS 407 (4A, 10A, 20A) SIMATIC S7-400

Also known as

Siemens S7-400 battery 6ES7971-0BA00 power supply battery SIMATIC S7 backup power

Replaces / compatible with

This battery is a direct replacement for the backup power source in specified Siemens PS 405 and PS 407 power supplies for the SIMATIC S7-400 system.

Technical note

Expert tip

Ensure proper polarity when installing the 6ES7971-0BA00 to prevent damage to the PLC's power supply or memory modules.

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Frequently asked questions

What is the purpose of the Siemens 6ES7971-0BA00 backup battery?

The Siemens 6ES7971-0BA00 backup battery is designed to maintain power to the real-time clock and volatile memory of SIMATIC S7-400 PLCs when the main power supply is off or interrupted. This prevents data loss and ensures accurate timekeeping.