# Siemens 6ES5 951-7LB21 Simatic S5 Power Supply - 3A Output

The Siemens Simatic S5 Power Supply Ps 3A **6ES5 951-7LB21** is a crucial component designed for industrial automation systems, ensuring reliable power delivery to your equipment. This power supply is ideal for powering PLCs and other automation devices in manufacturing and processing facilities.

This unit offers an input voltage range of AC 120V/230V and provides output voltages of DC 5V/3A, DC 5.2V/1A, and DC 24V/0.2A. The **6ES5 951-7LB21** meets Din 41752 E230G5/3Wrgd standards, ensuring compatibility with various industrial equipment. Its robust design can withstand operating temperatures up to +55 degrees Celsius.

-   **Reliable Power Output:** Ensures consistent power for critical automation components.
-   **Wide Input Voltage Range:** Compatible with AC 120V/230V power sources.
-   **Multiple Output Voltages:** Supports various devices with DC 5V/3A, DC 5.2V/1A, and DC 24V/0.2A outputs.
-   **Robust Design:** Operates reliably in harsh industrial environments up to +55°C.
-   **Din 41752 E230G5/3Wrgd Standard:** Ensures compatibility with industrial equipment.

**Specifications:**  
Input Voltage: AC 120V/230V  
Output Voltages: DC 5V/3A, DC 5.2V/1A, DC 24V/0.2A  
Operating Temperature: +55 degrees Celsius  
Standard: Din 41752 E230G5/3Wrgd  
Weight: 1.330 Kg

The Siemens Simatic S5 Power Supply **6ES5 951-7LB21** provides reliable performance and efficiency for your industrial operations. Trust Siemens for your automation needs and ensure smooth operation of your critical industrial processes. Upgrade your system today for enhanced reliability.

For inquiries and support, contact us at [info@ramautomations.com](mailto:info@ramautomations.com)

## Details

- **Price:** 999.0 USD
- **Vendor:** Siemens
- **Type:** Automation > Power Supplies > Industrial
- **Tags:** 3a-power-supply, 6ES5-951-7LB21, industrial-automation, plc-power, power-supply, siemens, simatic-s5

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Used | 999.00 USD | In stock |

## Images

- Siemens 6ES5 951-7LB21 Simatic S5 Power Supply - 3A Output-Ram Automations

---

> Source: [Ram Automations](https://ramautomations.com/products/siemens-6es5-951-7lb21-power-supply)
> Updated: 2026-09-19