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Siemens 6ES5921-3UA21 Power Supply Unit

Name: Siemens 6ES5921-3UA21
Brand: Siemens
SKU: 6ES5921-3UA21
Availability: InStock

Siemens 6ES5921-3UA21 Power Supply Unit for SIMATIC S5-900U.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

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ManufacturerSiemens

Part number6ES5921-3UA21

Voltage 120/230V AC

Output Voltage 5V DC

Output Current 10A

Type Power Supply Unit

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Designed for SIMATIC S5-900U Reliable 5V DC output Suitable for industrial environments High-quality Siemens component Direct replacement

Product description

The Siemens 6ES5921-3UA21 is a power supply unit designed for the SIMATIC S5-900U automation system. It provides the necessary voltage and current to operate the programmable logic controller and its associated modules.

This power supply is crucial for maintaining the operational integrity of S5-900U systems in various industrial environments, including manufacturing, process control, and building automation. Its reliability ensures continuous operation of critical machinery and processes.

As a veteran-owned surplus parts distributor, Stanlo Automation offers the Siemens 6ES5921-3UA21 with a focus on quality and availability. We understand the importance of having reliable components for your automation needs and ensure prompt delivery.

Technical specifications

Voltage	120/230V AC
Output Voltage	5V DC
Output Current	10A
Type	Power Supply Unit

Common applications

Industrial automation

Process control

Manufacturing lines

Building automation

S5 PLC systems

Compatible systems

SIMATIC S5-900U PLC systems

Also known as

Siemens S5 Power Supply 6ES59213UA21 SIMATIC S5 Power Module

Replaces / compatible with

Replaces older or failed Siemens S5 power supply units within the 900U series.

Technical note

Expert tip

Ensure proper ventilation when installing the 6ES5921-3UA21, as it is a power supply unit that generates heat during operation.

What happens next?

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Frequently asked questions

What is the output current of the Siemens 6ES5921-3UA21 power supply?

The Siemens 6ES5921-3UA21 power supply unit provides a 5V DC output with a current rating of 10A. This ensures sufficient power for the SIMATIC S5-900U system and its modules.