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Siemens 6ES5955-3LC42 SIMATIC S5 Power Supply

Siemens 6ES5955-3LC42 SIMATIC S5 Power Supply

Only 4 item(s) left in stock
  • Manufacturer: Siemens

  • Product No.: 6ES5955-3LC42

  • Country of origin:Germany

  • Product Type: Power Supply

  • Barcode: 85044095

  • Payment: T/T, Western Union

  • Weight: 6220g

  • Dimensions: 46.10 x 34.20 x 11.30 cm

  • Shipping port: Xiamen

  • Warranty: 12 months

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Description

The Siemens 6ES5955-3LC42 is a SIMATIC S5 power supply unit, engineered for demanding industrial automation environments. This professional-grade unit provides a stable 5 V DC output at 18A and is compatible with both 230 V AC and 120 V AC input voltages. It is specifically designed for use with SIMATIC S5 systems, including models such as the S5-135U, S5-155U, and EG 183/185U, ensuring reliable power delivery for continuous operation on the production line.

Features

  • Provides 5 V DC output at 18A.
  • Compatible with 120 V AC and 230 V AC input voltages.
  • Designed for SIMATIC S5-135U, S5-155U, and EG 183/185U systems.
  • Robust construction suitable for industrial applications.

Applications

  • Powering SIMATIC S5 Programmable Logic Controller (PLC) systems.
  • Industrial automation setups requiring stable 5 V DC power.
  • Integration into existing SIMATIC S5-135U, S5-155U, or EG 183/185U installations.
  • Production lines and manufacturing facilities.

Technical Specifications

Parameter Value
Manufacturer Siemens
Brand Siemens
Series SIMATIC S5
Model 6ES5955-3LC42
Product Type Power Supply
Input Voltage 120 V AC / 230 V AC
Output Voltage 5 V DC
Output Current 18A
Product Phase Obsolete
Predecessor 6ES5955-3LC41
Package Dimensions (Calculated) 46.10 x 34.20 x 11.30 cm
Shipping Weight 6.22 kg
Commodity Code 85044095
Export Control Regulations (ECCN) N

Installation Guidelines

  1. De-energize System: Before installation, ensure all power to the SIMATIC S5 rack and associated equipment is completely disconnected and locked out to prevent electrical hazards.
  2. Mounting: Securely mount the power supply unit within the designated slot or area in the SIMATIC S5 rack or enclosure. Ensure proper ventilation space around the unit.
  3. Input Power Connection: Connect the appropriate AC input voltage (120 V AC or 230 V AC) to the designated terminals. Verify correct polarity and secure all connections.
  4. Output Power Connection: Connect the 5 V DC output to the SIMATIC S5 backplane or modules as per the system wiring diagram. Ensure proper connection to the 5 V and ground terminals.
  5. Grounding: Ensure the power supply unit and the SIMATIC S5 system are properly grounded to a common earth ground to minimize electrical noise and ensure safety.
  6. Cable Routing: Route power cables away from signal and communication cables to prevent interference. Use appropriate cable management techniques.
  7. Verification: After installation, double-check all connections for security and correctness before re-energizing the system.

What SIMATIC S5 systems is the 6ES5955-3LC42 compatible with?

This power supply is designed for use with SIMATIC S5-135U, S5-155U, and EG 183/185U systems.

What are the input voltage requirements for this power supply?

The unit is compatible with both 120 V AC and 230 V AC input voltages.

What is the output specification of the 6ES5955-3LC42?

It provides a stable 5 V DC output at 18A.

Is the 6ES5955-3LC42 still in active production?

No, the product phase for this power supply is listed as Obsolete.

What was the predecessor model to the 6ES5955-3LC42?

The predecessor model for this power supply was the 6ES5955-3LC41.

Global Express Shipping

  • Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).


For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Country of origin
Germany

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