Siemens
Siemens SIMATIC S5 951 Power Supply - 24V DC Input, 3A Output
Siemens SIMATIC S5 951 Power Supply Unit
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12-month warranty
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Veteran-owned
CAGE: 9NK75
3A @ 5V DC Output
24V DC Input
For S5-115U/H PLC
Without Backup Battery
Compact Design
Product description
The Siemens 6ES5951-7NB21 is a power supply unit for the SIMATIC S5-115U/H PLC. It operates with a 24V DC input and provides a 5V DC output at 3A. This module is designed without a backup battery, offering a straightforward solution for automation systems.
This power supply is suitable for systems requiring stable, low-power output. Its compact design and reliable performance make it a dependable choice for industrial environments.
Stanlo Automation, your veteran-owned surplus industrial parts distributor, offers the Siemens 6ES5951-7NB21. We are dedicated to providing quality components and fast, reliable service.
Technical specifications
| Manufacturer | Siemens |
| Series | SIMATIC S5 |
| Part Number | 6ES5951-7NB21 |
| Type | Power Supply Unit |
| Input Voltage | 24 V DC |
| Output Voltage | 5 V DC |
| Output Current | 3 A |
| Backup Battery | No |
Common applications
Industrial Automation
PLC Systems
Control Panels
Low-Power Applications
Manufacturing
Compatible systems
SIMATIC S5-115U/H
Also known as
Siemens S5 951 Power Supply
6ES5951-7NB21 PS951
Replaces / compatible with
This power supply unit is designed for the Siemens SIMATIC S5-115U/H PLC. It is an alternative to other 951 series power supply units.
Technical note
Expert tip
This unit is designed for S5-115U/H systems and operates without internal backup battery functionality.What happens next?
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2
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3
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Frequently asked questions
What are the input and output ratings of the Siemens 6ES5951-7NB21 power supply?
The Siemens 6ES5951-7NB21 power supply has a 24V DC input and a 5V DC output with a 3A current rating. It does not include a backup battery.