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Siemens SIMATIC S5 Power Supply 951 - Renovated, 120/230V AC

Name: Siemens 6ES5951-7LD21
Brand: Siemens
SKU: 6ES5951-7LD21
Availability: InStock

Siemens SIMATIC S5 Power Supply 951 - Renovated

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ManufacturerSiemens

Part number6ES5951-7LD21

Manufacturer Siemens

Series SIMATIC S5

Part Number 6ES5951-7LD21

Type Power Supply Unit

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7A/15A Output 120/230V AC Input For S5-115U/H Systems No Backup Battery Renovated for Reliability

Product description

The Siemens 6ES5951-7LD21 is a renovated power supply unit for the SIMATIC S5-115U/H series. This unit accepts an input voltage of 120/230 V AC and provides a stable 5 V DC output at either 7 A or 15 A. It is engineered for reliable and consistent power delivery in industrial automated production processes and does not include a backup battery.

This power supply is built for demanding industrial environments. Its compact and durable construction allows for straightforward integration into existing S5-115U/H systems, supporting efficient maintenance and system upgrades.

Stanlo Automation, your trusted veteran-owned surplus parts distributor, offers the Siemens 6ES5951-7LD21. We ensure quality, availability, and prompt delivery to keep your operations running without interruption.

Technical specifications

Manufacturer	Siemens
Series	SIMATIC S5
Part Number	6ES5951-7LD21
Type	Power Supply Unit
Input Voltage	120/230 V AC
Output Voltage	5 V DC
Output Current	7 A / 15 A
Backup Battery	No
Condition	Renovated

Common applications

Industrial Automation

PLC Systems

Control Cabinets

Manufacturing

Process Control

Compatible systems

SIMATIC S5-115U/H

Also known as

Siemens S5 951 Power Supply 6ES5951-7LD21

Replaces / compatible with

This power supply is a renovated unit for the SIMATIC S5-115U/H series, succeeding the 6ES5951-7LD12.

Technical note

Expert tip

This renovated unit offers a cost-effective solution for maintaining legacy S5 systems, ensuring continued operation with a focus on reliability.

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Frequently asked questions

What is the output current range for the Siemens 6ES5951-7LD21 power supply?

The Siemens 6ES5951-7LD21 power supply provides a 5V DC output and can deliver either 7A or 15A, depending on whether a fan subassembly is used. It operates without a backup battery.