POWS (ELVA 3.38B)
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- Manufacturer: EFD / ELVA
- System brand: EFD Induction
- Type: POWS
- Circuit board designation: ELVA POWS 3.38B
- Device Type: Power Supply Board
- Description: Power Supply Board
- Application: Power supply for control and electronic assemblies in EFD induction heating systems
- System: Industrial Induction Converter / Induction Generator
- Design: Plug-in card with aluminum front panel
- PCB design: Through-hole / wired electronics
- Output voltages: +24 V DC / +12 V DC / +5 V DC / -12 V DC
- Voltage Monitoring: Separate status indicator for all four supply voltages
- Front display: 4 × green LEDs
- LED Displays: +24 V / +12 V / +5 V / -12 V
- Voltage control: Electronically Regulated DC Power Supply
- Power Control: Various linear power controllers / power semiconductors
- Power semiconductors: Multiple TO-220-/power enclosures on heat sinks
- Cooling: Passive aluminum heat sinks
- Rectification: Integrated rectifier/diode circuit
- Smoothing: Electrolytic capacitors for voltage stabilization
- Filtering: Capacitor and Resistor Networks
- Circuit Technology: Analog Voltage Regulation and Power Supply Electronics
- Internal assemblies: Voltage regulators, diodes, resistors, capacitors, and power semiconductors
- Rear connection: Multi-pin rack/backplane connector
- Installation type: Rack/Card Slot
- Front mounting: Aluminum front panel with mounting/ejection handles
- Service function: Direct optical monitoring of the existing supply voltages
- Function: Provision and monitoring of multiple DC power rails for the EFD control electronics
- Original system: ELVA / EFD Induction Heating System
- New (OVP): Unused and undamaged items in the original packaging.
- New (without original packaging): Unused and undamaged items that may no longer be in the original packaging.
- Like New: Items that look like new and show only minimal signs of wear.
- Very good: Items that show only slight signs of wear and are fully functional.
- Good: Items that show normal signs of use but are still fully functional.
- Acceptable: Items that show more severe signs of wear but are functional.
- Defective / DIY: Items that are no longer functional or have significant damage. These items are usually sold for spare parts or for repair.
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For each of our products you can select the condition, with the following categories available:
New (OVP): Unused and undamaged items in the original packaging.
New (without original packaging): Unused and undamaged items that may no longer be in the original packaging.
Like New: Items that look like new and show only minimal signs of wear. Very Good: Items that show only light signs of wear and are fully functional. Good: Items that show normal signs of wear but are still fully functional.
Acceptable: Items that show more severe signs of wear but are functional.
Defective / DIY: Items that are no longer functional or have significant damage. These items are usually sold for spare parts or for repair. If there are major differences between the condition categories, e.g. broken casing, a separate image is added for the affected category. Otherwise, grades such as "Very Good" and "Good" can only be distinguished from one another by increasing signs of wear.
The E-Stand on Siemens industrial electronics products provides information about the development and modifications of a specific product. It is a classification system that Siemens uses to identify different production and development stages within a product type. Each E-Stand can include technical improvements, adjustments or other changes.
An important point to note is that products with different E-levels are not always directly interchangeable. Technical characteristics may differ between versions, which means that compatibility with your existing plant or system may not always be guaranteed. It is advisable to carefully check whether the new product is compatible with the corresponding E-level for your application before making a replacement.
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