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6ES7505-0KA00-0AB0

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Siemens 6ES7505-0KA00-0AB0 PS 25W 24 V DC system power supply for the SIMATIC S7-1500 backplane bus.
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Technical specifications for 6ES7505-0KA00-0AB0

  • Manufacturer:
    Siemens
  • Part Number:
    6ES7505-0KA00-0AB0
  • Product Family:
    Siemens Simatic S7-1500
  • Product Type:
    System Power Supply
  • Stock:
    1
  • Input Supply:
    24 V DC
  • Backplane Power:
    25 W
  • System Function:
    Supplies S7-1500 backplane bus
  • Weight:
    0.356 kg
  • Estimated shipping dimensions:
    15.10 x 15.30 x 4.70 cm
  • Tariff Code:
    85044095
  • Country of origin:
    Germany
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Backplane Supply 25 W Planning Cabinet Integration

Features:

•25 W system power supply for SIMATIC S7-1500
•24 V DC input configuration
•Supplies operating voltage to the S7-1500 backplane bus

The Siemens 6ES7505-0KA00-0AB0 is a compact system power supply for S7-1500 racks whose calculated backplane demand fits the 25 W configuration.

Selection should be based on the approved rack power calculation, 24 V DC source, module arrangement, protective devices, and cabinet installation requirements.

Siemens lists the exact article as active. Availability remains subject to Apter Power inventory and sourcing confirmation.

Availability is subject to Apter Power's current inventory and sourcing confirmation.

Siemens 6ES7505-0KA00-0AB0 SIMATIC S7-1500 System Power Supply Specs

General

ManufacturerSiemens
Model6ES7505-0KA00-0AB0
ConditionNew and factory sealed
Product FamilySIMATIC S7-1500 System Power Supply

Backplane Supply

•System function: The module supplies operating voltage to the S7-1500 backplane bus.
•Input: The official configuration uses a 24 V DC supply.
•Power class: The module is identified as the PS 25W version.
•Project check: Match the supply to the calculated backplane demand of the rack.

25 W Planning

•Module list: Calculate demand from the CPU and every installed S7-1500 module.
•Expansion: Include approved future rack additions in the power review.
•Field loads: Do not treat the backplane system supply as the external load supply.
•Documentation: Retain the approved power calculation with the cabinet records.

Cabinet Integration

•DC source: Verify the 24 V DC source and protective devices.
•Rack position: Install the system supply according to the approved S7-1500 arrangement.
•Grounding: Follow the Siemens cabinet grounding and installation documentation.
•Commissioning: Check status indicators and rack diagnostics after energization.
Description
6ES7505-0KA00-0AB0 provides 25 W of system power to the SIMATIC S7-1500 backplane from a 24 V DC source. Its role is to energize compatible rack modules rather than supply external field loads.

6ES7505-0KA00-0AB0 suits rack designs whose documented backplane demand remains within the PS 25W configuration. The module list, CPU selection, cabinet input, and planned expansion margin should be reviewed together.

6ES7505-0KA00-0AB0 is listed as active in the reviewed Siemens record. For a dependable spare match, compare the complete article number with the rack power calculation and installed label.
Alternative Names
6ES7505-0KA00-0AB0 6ES75050KA000AB0 6ES7505 0KA00 0AB0 6ES7 505-0KA00-0AB0 Siemens 6ES7505-0KA00-0AB0 SIMATIC 6ES7505-0KA00-0AB0 PS 25W 24V DC S7-1500 system power supply
Technical notes
Siemens 6ES7505-0KA00-0AB0 is the 25 W, 24 V DC system power supply for the S7-1500 backplane bus. Verify the rack power budget and input supply before ordering.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
How can a buyer confirm that 6ES7505-0KA00-0AB0 is a system power supply rather than a load supply?
Check the Siemens article number and rack design: this module supplies the S7-1500 backplane bus, while field loads require separate engineered power.
What information is needed to quote 6ES7505-0KA00-0AB0 for a rack?
Provide the CPU and module list, backplane power calculation, 24 V DC source, cabinet layout, quantity, required condition, destination, and label photos.
What should be checked if the S7-1500 rack does not power up with 6ES7505-0KA00-0AB0?
Check input voltage and polarity, protective devices, terminal wiring, module seating, backplane demand, status indicators, and controller diagnostics.
How should an engineer decide whether the 25 W configuration is sufficient?
Use the approved Siemens rack configuration and total backplane power demand for the installed CPU and modules, including planned expansion.
Can a higher-power S7-1500 supply replace 6ES7505-0KA00-0AB0 without review?
Not automatically. Verify input type, mounting width, rack arrangement, backplane design, protective devices, and project documentation first.
What cabinet information should be preserved before replacing 6ES7505-0KA00-0AB0?
Preserve the wiring diagram, protective-device ratings, rack power calculation, module order, grounding details, clearance plan, and installation photos.
Why should a 6ES7505-0KA00-0AB0 purchase review include the complete rack module list?
The module list establishes the backplane demand that must be checked against the 25 W system-power configuration and any planned expansion.
Which photos help Apter Power verify a PS 25W spare for 6ES7505-0KA00-0AB0?
Useful evidence includes the complete article label, installed rack order, 24 V DC wiring, cabinet clearances, and visible condition of the offered unit.

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