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Siemens SIMATIC S5 955 Power Supply 40A

Name: Siemens 6ES5955-3LF44
Brand: Siemens
SKU: 6ES5955-3LF44
Availability: InStock

Siemens SIMATIC S5 955 Power Supply, 40A, for S5-135U/155U PLCs.

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

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ManufacturerSiemens

Part number6ES5955-3LF44

Series SIMATIC S5 955

Input Voltage 230/120 V AC

Output Voltage 5 V DC

Output Current 40 A

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12-month warranty

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Veteran-owned

CAGE: 9NK75

40A output current at 5V DC Wide AC input voltage Designed for SIMATIC S5 systems Reliable power for legacy PLCs Robust construction

Product description

The Siemens 6ES5955-3LF44 is a SIMATIC S5 955 series power supply unit. It is designed to operate with an input voltage of 230/120 V AC and delivers a 5 V DC output with a substantial current rating of 40 A. This power supply is intended for use with SIMATIC S5 programmable logic controllers, specifically models S5-135U, S5-155U, and EG 185U.

This power supply is crucial for the operation of older SIMATIC S5 automation systems. It is commonly found in legacy industrial control setups within manufacturing, material handling, and process industries where these robust systems are still in service.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 6ES5955-3LF44. We provide reliable access to essential components for maintaining and repairing existing industrial automation infrastructure.

Technical specifications

Series	SIMATIC S5 955
Input Voltage	230/120 V AC
Output Voltage	5 V DC
Output Current	40 A
Compatible PLCs	S5-135U, S5-155U, EG 185U

Common applications

Legacy manufacturing lines

SIMATIC S5 control systems

Industrial automation maintenance

Material handling systems

Older process control

Compatible systems

Siemens SIMATIC S5-135U Siemens SIMATIC S5-155U Siemens EG 185U

Also known as

Siemens S5 Power Supply 6ES5955-3LF44 PSU SIMATIC S5 955 Module

Replaces / compatible with

This power supply is specifically designed for Siemens SIMATIC S5 series PLCs, including the S5-135U, S5-155U, and EG 185U models.

Technical note

Expert tip

Ensure that the input voltage is correctly set to either 120V AC or 230V AC using the selector switch before applying power to avoid damage.

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Frequently asked questions

What Siemens SIMATIC S5 PLC models is the 6ES5955-3LF44 power supply compatible with?

The Siemens 6ES5955-3LF44 power supply is compatible with the SIMATIC S5-135U, SIMATIC S5-155U, and EG 185U PLC systems.