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01 · PRODUCT DETAILS

SIEMENS / VERIFIED LEGACY POWER MODULE

6ES5955-3NC41

SIMATIC S5 PS 955 24 V DC Power Supply Module

A PS 955 supply module for powering designated SIMATIC S5 central controllers and expansion units.

PRODUCT IDENTITY

PS955

Rack power supply for SIMATIC S5

24 V DC → 5 V DC

BRANDSiemens

PRODUCT SERIESSIMATIC S5-135U/155U PS 955

OFFICIAL NAMESIMATIC S5 PS 955 24 V DC Power Supply Module

PRODUCT ROLES5 central and expansion rack power supply

CONDITIONNew Original

WARRANTYOne year

IN STOCK1

OFFICIAL DATA SOURCESiemens SIMATIC S5-135U/155U system manual and product data sheet

TECHNICAL
BLUEPRINT

PRODUCT POSITION

Power conversion for established SIMATIC S5 rack systems

Provides the documented 5 V system supply used by compatible S5 central and expansion racks from a 24 V DC source.

ORDERING CODE NOTE

6ES5955-3NC41

The 3NC41 suffix identifies this PS 955 lifecycle version. Siemens documentation also lists 6ES5955-3NC42; the complete suffix must be matched.

OFFICIAL TECHNICAL DATA8 verified points

MODULE DESIGNATIONPS 955

INPUT SUPPLY24 V DC

SYSTEM OUTPUT5 V DC

RATED OUTPUT CURRENT18 A

CENTRAL UNIT FAMILYSIMATIC S5-135U

CONTROLLER COMPATIBILITYSIMATIC S5-155U

EXPANSION UNITSEU 183U / EU 185U

RELATED LIFECYCLE VERSION6ES5955-3NC42

SYSTEM CONNECTION24 V DC input + 5 V DC / 18 A system output

Rack-specific supplyDesigned for the documented SIMATIC S5 central and expansion unit architecture.

18 A system outputDelivers the specified 5 V DC rack supply at 18 A.

Lifecycle traceabilityThe full 3NC41 suffix separates this unit from the related 3NC42 version.

APPLICATION MAP

Where X204IRT creates network value

Motion-control cellsDeterministic Ethernet coordination for distributed automation.

Production linesManaged PROFINET links between controllers and field devices.

Redundant networksIntegrated redundancy functions for higher machine availability.

Industrial diagnosticsNetwork management and error signaling support maintenance.

RECOMMENDED MODEL ROUTES · TWO SOURCING FAMILIES

SiemensIndustrial Ethernet and communication

6GK5005-0BA00-1AB2

6GK5008-0BA10-1AB2

6GK5108-0BA00-2AC2

6GK5116-0BA00-2AC2

6GK5124-0BA00-2AC2

6GK5204-0BA00-2BA3

6GK5204-2BB10-2AA3

6GK5206-1BB10-2AA3

6GK5208-0BA00-2AC2

6GK5216-0BA00-2AA3

6GK5216-0HA00-2AS6

6GK5224-0BA00-2AA3

6GK5205-3BB00-2AB2

6GK5205-3BF00-2AB2

6GK5324-0GG10-3AR2

6GK7443-1EX20-0XE0

6GK7443-1EX30-0XE0

6GK7342-5DA03-0XE0

6GK7343-1EX30-0XE0

6GK7343-2AH01-0XA0

BeckhoffPC-based and EtherCAT automation

EK1100

EK1122

EK1501

EL1008

EL1809

EL2008

EL2809

EL3008

EL3054

EL3314

EL4008

EL6695

BK1120

KL1408

KL2408

CX2040-0120

C6030-0060

CP6706-0001-0040

CX9020-0111

CX5130-0125

Reference models support sourcing context; verify compatibility against the complete article number and system documentation.

Service & Policy

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24 V DC Power Supply Module

6ES5955-3NC41 Datasheet

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