SIEMENS C79040-A6310-C898 – DCS/PLC Dedicated Power Supply Module | SIMATIC / TELEPERM Series
Engineering Background
The C79040-A6310-C898 is a dedicated power supply module engineered by Siemens for use within its SIMATIC and TELEPERM distributed control system (DCS) and programmable logic controller (PLC) platforms. Designed to deliver stable, regulated DC power to backplane-mounted I/O and processor modules, this unit is a critical infrastructure component in continuous-process and discrete manufacturing environments. Its robust design reflects Siemens’ industrial-grade engineering standards, ensuring reliable operation under demanding electrical and thermal conditions.
Product Positioning
This module is positioned as a direct OEM replacement and spare part for Siemens DCS/PLC control cabinets. Procurement engineers sourcing for maintenance, MRO (Maintenance, Repair & Operations), or system expansion projects will find this unit fully compatible with existing Siemens rack architectures. Konmask.com supplies this module with full traceability documentation and quality verification, supporting both emergency replacement and planned lifecycle management.
Complete Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens AG |
| Part Number | C79040-A6310-C898 |
| Module Type | Power Supply Module |
| Compatible Platform | SIMATIC / TELEPERM DCS & PLC Series |
| Form Factor | Rack-mount, backplane-integrated |
| Output | Regulated DC (platform-specific; consult system documentation) |
| Cooling | Convection / forced-air (rack-dependent) |
| Weight | 1,600 g (approx.) |
| Condition Available | New OEM / Refurbished / Tested Used |
| Warranty | 12 months (Konmask standard) |
| Country of Origin | Germany |
| HS Code Reference | 8537.10 (programmable controllers / power supply units) |
Note: Detailed electrical parameters (input voltage range, output current, protection ratings) should be confirmed against the original Siemens system documentation or by contacting our technical team.
Proven Application Environments
- Chemical & Petrochemical Plants – Continuous process control requiring uninterrupted power to DCS I/O racks
- Power Generation & Utilities – Turbine control and SCADA backplane power supply
- Automotive Manufacturing – PLC-driven assembly line control cabinets
- Pharmaceutical Production – GMP-compliant process automation systems
- Steel & Metals Processing – High-cycle discrete control environments
- Water Treatment Facilities – Remote I/O rack power in distributed architectures
Engineering Advantages
- OEM Compatibility – Direct form-fit-function replacement; no firmware or hardware modification required
- Regulated Output – Stable DC rail voltage protects downstream processor and I/O modules from transient damage
- Thermal Resilience – Designed for industrial ambient temperature ranges typical of control room and field cabinet installations
- Plug-and-Play Integration – Backplane connector alignment follows Siemens rack standard; no custom cabling
- Long Service Life – Industrial-grade capacitors and power components rated for extended MTBF
- Reduced Downtime Risk – Stocking this module as a critical spare eliminates extended lead-time exposure during unplanned failures
System Architecture & Signal Flow
Within a Siemens DCS/PLC rack, the C79040-A6310-C898 occupies a dedicated power supply slot and interfaces directly with the backplane bus. AC mains input (or DC bus, depending on variant) is converted to the regulated DC voltages required by the CPU, communication, and I/O modules installed in adjacent slots. The module typically incorporates internal protection circuits (overcurrent, overvoltage, short-circuit) to isolate faults and prevent cascade failure across the control system. Redundant power supply configurations (where supported by the rack) allow hot-swap replacement without process interruption.
Sourcing & Quality Verification
- Authentic OEM Units – Sourced through verified Siemens authorized channels and certified industrial distributors
- Pre-shipment Testing – Each unit undergoes functional power-on verification and visual inspection before dispatch
- Serialization Check – Serial numbers cross-referenced against known counterfeit databases where applicable
- Packaging Integrity – Anti-static packaging with humidity indicators; original OEM packaging preserved where available
- Documentation – Certificate of conformity, test report, and packing list provided with every shipment
Procurement Process
- Submit RFQ – Email support@konmask.com with part number, quantity, and required delivery date
- Receive Quotation – Price, lead time, and stock availability confirmed within 1 business day
- Order Confirmation – Purchase order accepted; payment terms agreed (T/T, L/C, or platform checkout)
- Quality Inspection & Dispatch – Unit tested, documented, and shipped via DHL / FedEx / sea freight as required
- After-sales Support – 12-month warranty; technical support available via email and phone
Technical FAQ
Q: Is this module compatible with both SIMATIC S5 and TELEPERM M systems?
A: The C79040 series was primarily associated with Siemens TELEPERM and early SIMATIC DCS platforms. Please confirm rack compatibility with your system documentation or contact our technical team before ordering.
Q: Can this power supply be used in a redundant configuration?
A: Redundancy support depends on the specific rack and system configuration. Consult the Siemens rack hardware manual or contact Konmask for application engineering guidance.
Q: What is the typical lead time?
A: In-stock units ship within 2–5 business days. Out-of-stock items are typically sourced within 2–4 weeks depending on global availability.
Q: Do you provide a test report with the unit?
A: Yes. All units are functionally tested prior to shipment and a test report is included in the documentation package.
Q: What warranty is provided?
A: Konmask provides a 12-month warranty covering manufacturing defects and functional failure under normal operating conditions.
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