Description
Core Product Summary
The Kniel FPD 375 is a heavy-duty industrial power supply module designed for high-reliability applications in automation, measurement, and rack-based control systems. Engineered to deliver up to 375 Watts of regulated DC output power, this unit is built with industrial-grade filtering and robust output regulation to ensure consistent performance in electrically demanding cabinet environments.
Available in standard 19-inch rack plug-in or chassis-mount form factors, the FPD 375 operates from standard AC mains line power. It features comprehensive protection circuits, including overvoltage protection (OVP), short-circuit protection, and thermal monitoring, making it an ideal core power source for sensitive processing cards, system backplanes, and peripheral automation equipment.
Key Technical Specifications
| Parameter | Specification |
| Product Type | Industrial Power Supply Module |
| Series | Kniel FPD Series |
| Nominal Output Power | 375 Watts |
| Input Voltage Range | AC Mains (115 V / 230 V AC nominal, depending on model variant) |
| Form Factor | 19-inch rack-mount plug-in unit / Chassis mount |
| Cooling | Convection / Integrated heatsink design |
| Protection Functions | Overvoltage protection (OVP), short-circuit protection, overcurrent protection |
| Operating Temperature | 0 °C to +70 °C (with derating at higher temperatures) |
Detailed Product Overview
The Kniel FPD 375 system power supply is engineered to serve as a high-density, reliable DC power source for automated process control systems, test benches, and modular rack architectures. Kniel power supplies are widely recognized for their low output ripple, tight voltage regulation, and durable mechanical construction designed to withstand industrial vibration and thermal stress.
The FPD 375 module conditions AC input power into precise, isolated DC supply voltages required by delicate microcontrollers, analog signal conditioners, and field sensor circuits. Built-in protective mechanisms continuously safeguard both the power module and downstream system components against electrical line transients, sustained output short-circuits, and over-temperature operation.
When integrating the FPD 375 into a control cabinet or 19-inch subrack, system engineers must verify output voltage and current specifications for their specific variant, ensure adequate thermal clearance for heat dissipation, and confirm proper primary wiring and grounding via the rear terminal connector interface.
System Compatibility & Integration Requirements
| Item / Dependency | Verified Compatibility or Requirement | Practical Note |
| Mechanical Mounting | 19-inch subrack enclosure or chassis panel | Installs via standard Eurocard rack guides or base mounting plates. |
| Input AC Power Source | 115 V / 230 V AC line supply | Ensure input voltage selector or variant matches local AC mains supply. |
| Electrical Connection | Heavy-duty multi-pin rear connector / Screw terminal block | Provides isolated high-current DC output connections and primary AC input lines. |
FPD 375
FPD 375
Dimensions, Mounting & Connection Notes
- Mounting Method: Standard 19-inch rack subrack plugin or flat-surface chassis mounting.
- Cooling Clearance: Requires free convection airflow around external heatsink fins to maintain specified operational temperature limits.
- Protective Grounding: PE (Protective Earth) terminal must be connected to main system cabinet earth ground prior to energizing.
- Operating Temperature Range: Designed for continuous operation from 0 °C up to +70 °C (derating considerations apply above +50 °C).
FAQ
What is the power rating of the Kniel FPD 375?
The Kniel FPD 375 is rated for up to 375 Watts of continuous DC output power.
What form factor does the FPD 375 use?
It is typically housed in a 19-inch subrack plug-in module or heavy-duty industrial chassis enclosure.
What built-in protection features does the FPD 375 include?
The module includes integrated overvoltage protection (OVP), short-circuit protection, and thermal protection.
Where is the Kniel FPD 375 typically used?
It is used to power industrial automation racks, control cabinets, test and measurement systems, and embedded computing platforms.
How is the power supply cooled?
It relies on integrated heatsinks and natural/forced cabinet air convection for effective heat dissipation.
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