Home > Products > SIEMENS > SIMATIC S7 Series
Minimum Order Quantity |
1 Piece |
Price |
Contact for Jim |
Packaging Details |
Original new Factory Sealed |
Delivery Time |
3–7 Days |
Payment Terms |
T/T |
Shipping Method |
DHL / FedEx / UPS / TNT |
Supply Ability |
In stock |
Use the specified DC input source and verify both backplane output loads. Backup batteries are optional and must be confirmed separately.
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Model Number
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6ES7405-0KA02-0AA0
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Nominal DC input voltages
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24 / 48 / 60 V DC
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Input current at 24 V
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4 A rated
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Input current at 48 V
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2 A rated
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Input current at 60 V
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1.6 A rated
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Inrush current
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18 A
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Inrush-current half-value width
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20 ms
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Rated 5 V output current
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10 A
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Rated 24 V output current
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1 A
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Input power, typical
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95 W
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Power loss, typical
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20 W
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Mains-buffering time
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20 ms
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Backup battery positions
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2
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Backup battery chemistry
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Lithium
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Backup battery format
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AA
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Backup battery voltage
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3.6 V
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Backup battery capacity
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2.2 Ah
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Rack slot requirement
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2 slots
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Electrical protection class
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Class I
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Overvoltage category
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II
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Operating temperature
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0–60 °C
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Power-cable conductor configuration
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3 × 1.5 mm²
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Power-cable outside diameter
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3–9 mm
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Primary-to-secondary separation
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Electrical isolation
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Output minimum-load requirement
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No minimum load; idling-proof outputs
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Static input voltage range
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19.2–72 V DC
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Dynamic input voltage range
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18.5–75.5 V DC
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Pollution degree
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2
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Secondary-to-PE test voltage
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700 V DC
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Primary-to-secondary/PE test voltage
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2,200 V DC
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Backup current with input power off
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100 µA maximum
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Sales
Jim Pei
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Email
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Phone/Whatsapp
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Siemens 6ES7405-0KA02-0AA0 is the PS 405 10A DC power supply for the SIMATIC S7-400 system. It accepts the specified nominal DC input voltages and supplies the rack backplane. The principal output is rated for 10 A at 5 V. An additional backplane output provides 24 V at up to 1 A. The supply supports optional battery backup using the specified battery arrangement. It occupies two rack slots.
The 6ES7405-0KA02-0AA0 provides the system power required by a compatible S7-400 station. Its electrically separated power conversion connects the external DC source to the backplane supply rails. The connected module load must remain within the available output capacities. Battery selection and maintenance should follow the station backup requirements. Correct protective grounding and supply-cable preparation are essential. Verify the incoming DC source and rack power budget before replacement.
Supply compatible S7-400 rack electronics through the system backplane using an appropriate external DC source.
Fit the specified optional lithium batteries where the station requires supported backup power.
Integrate the supply into a correctly grounded DC-fed automation cabinet after checking the rack load and incoming source.
No. This PS 405 version is for the specified DC supply voltages.
The supply supports optional batteries. Confirm the required battery scope in the quotation.
No. Add the connected module demand and verify both backplane output capacities before installation.
Check the external DC source, rack slot allocation, grounding arrangement and backup requirements.
We verify the product identity and condition and pack it securely. The agreed 12-month warranty terms apply.
We arrange prompt dispatch after payment for confirmed available stock and confirm the courier delivery schedule.
With 20+ years of industry experience, we serve customers worldwide and have built long-term relationships across the UK, Russia, UAE, India, Venezuela, and more.
Our experienced team provides reliable pre-sales and after-sales support, helping customers select suitable products and resolve purchasing concerns.
We supply leading automation brands covering PLCs, DCS, I/O modules, drives, motors, power supplies, communication modules, and more.
A wide range of products is available from stock, including discontinued, obsolete, and hard-to-find parts, helping reduce sourcing time.
We value long-term cooperation and treat every customer with honesty, respect, responsibility, and care.
From a single replacement part to complete automation projects, we are ready to support your needs and build a long-term partnership.
Our team members have an average of more than 10 years of industry experience. We have worked with customers worldwide, including those from India, Germany, Sweden, Italy, Russia, Venezuela, Israel, and many other countries. Throughout our careers, we have collectively completed over 3,000 orders and established long-term business relationships with customers across nearly 30 countries.
We can often identify a product’s manufacturer, series, configuration, and function from its model number or nameplate photo. We also understand how revisions, firmware, and specifications affect compatibility and whether an alternative model can be used safely.
In Practice: An Indian customer urgently needed a discontinued control module after several suppliers reported no stock. We identified its exact revision and function from the nameplate, checked compatible alternatives, and contacted factory and warehouse channels to locate matching inventory. After installation, the customer confirmed that the module operated correctly and later asked us to source additional spare parts.
Our team treats every inquiry sincerely and answers every question patiently. Even for complex requests, we verify and respond to each detail instead of providing a rushed or uncertain answer.
In Practice: A German customer sent a mixed list of automation products and asked repeated questions about revisions, condition, photos, and delivery. Our team organized the requirements, checked every item, and replied point by point. The customer said our detailed communication made the purchasing decision easier and continued sending us new inquiries.
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