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- Rated Output Power: 250 W continuous output for stable system performance.
- Form Factor: Standard ATX, PS/2 size, ensuring compatibility with most desktop and industrial enclosures.
- Cooling System: Integrated low-noise, temperature-controlled fan with ball bearings (NMB/Papst long-life type).
- Noise Optimization: Intelligent fan speed control adjusts airflow based on internal temperature, minimizing acoustic output during low-load operation.
- High Reliability: Designed for continuous operation in communication and IT systems, with robust protection circuits and high-quality components.
- Certifications: Fully compliant with VDE 805 (communication technology), CE, GS, and TÜV safety and quality standards.
- Thermal Management: Automatic thermal regulation ensures optimal cooling efficiency and component longevity.
- Durability: Long-life fan bearings and industrial-grade capacitors extend operational lifespan.
- Safety Protections: Over-voltage, over-current, and short-circuit protection (typical for certified ATX supplies).
- Universal Compatibility: Supports standard ATX connectors for mainboard, CPU, and peripheral power distribution.
- Form Factor: Standard ATX, PS/2 size, ensuring compatibility with most desktop and industrial enclosures.
- Cooling System: Integrated low-noise, temperature-controlled fan with ball bearings (NMB/Papst long-life type).
- Noise Optimization: Intelligent fan speed control adjusts airflow based on internal temperature, minimizing acoustic output during low-load operation.
- High Reliability: Designed for continuous operation in communication and IT systems, with robust protection circuits and high-quality components.
- Certifications: Fully compliant with VDE 805 (communication technology), CE, GS, and TÜV safety and quality standards.
- Thermal Management: Automatic thermal regulation ensures optimal cooling efficiency and component longevity.
- Durability: Long-life fan bearings and industrial-grade capacitors extend operational lifespan.
- Safety Protections: Over-voltage, over-current, and short-circuit protection (typical for certified ATX supplies).
- Universal Compatibility: Supports standard ATX connectors for mainboard, CPU, and peripheral power distribution.
1. Product Overview
Product Name: NT250X Power Supply Unit
Model: NT250X
Series: Standard ATX Power Supply Series
Article Number: NT250X
Manufacturer: Not explicitly stated (compatible with standard ATX/PS/2 form factor systems; typically used in professional communication and IT equipment)
The NT250X is a 250-watt regulated ATX power supply designed for reliable, low-noise operation in desktop and communication systems. It features a temperature-controlled, ball-bearing cooling fan from NMB/Papst, ensuring long service life and quiet performance. The unit conforms to the PS/2 form factor, making it compatible with a wide range of ATX chassis and motherboards. Certified under VDE 805 for communication technology, and compliant with CE, GS, and TÜV standards, the NT250X is engineered for safety, efficiency, and durability in demanding environments.
2. Key Features
- Rated Output Power: 250 W continuous output for stable system performance.
- Form Factor: Standard ATX, PS/2 size, ensuring compatibility with most desktop and industrial enclosures.
- Cooling System: Integrated low-noise, temperature-controlled fan with ball bearings (NMB/Papst long-life type).
- Noise Optimization: Intelligent fan speed control adjusts airflow based on internal temperature, minimizing acoustic output during low-load operation.
- High Reliability: Designed for continuous operation in communication and IT systems, with robust protection circuits and high-quality components.
- Certifications: Fully compliant with VDE 805 (communication technology), CE, GS, and TÜV safety and quality standards.
- Thermal Management: Automatic thermal regulation ensures optimal cooling efficiency and component longevity.
- Durability: Long-life fan bearings and industrial-grade capacitors extend operational lifespan.
- Safety Protections: Over-voltage, over-current, and short-circuit protection (typical for certified ATX supplies).
- Universal Compatibility: Supports standard ATX connectors for mainboard, CPU, and peripheral power distribution.
3. Technical Specifications
- Power Output: 250 W nominal continuous output
- Input Voltage Range: Typically 100–240 V AC (auto-ranging, depending on configuration)
- Input Frequency: 50/60 Hz
- Form Factor: ATX / PS/2 standard dimensions
- Typical Dimensions: Approx. 150 mm (W) × 140 mm (D) × 86 mm (H) (standard PS/2 size)
- Weight: Approximately 1.2–1.5 kg (depending on cable configuration and fan type)
- Cooling Fan: NMB/Papst ball-bearing fan, temperature-controlled, low-noise design
- Fan Size: Typically 80 mm (standard for PS/2 ATX supplies)
- Noise Level: Low-noise operation, typically <25–30 dB(A) under normal load conditions
- Efficiency: Typically 70–80% (depending on load and input voltage)
- Operating Temperature Range: 0°C to +40°C (nominal)
- Storage Temperature Range: -20°C to +70°C
- Humidity: 10–90% non-condensing
- Safety Approvals: VDE 805, CE, GS, TÜV
- Material: Steel chassis with electro-galvanized finish; internal PCB with high-temperature-rated components
- Connectors (typical):
- 1 × 20/24-pin ATX main connector
- 1 × 4-pin CPU power connector
- 2–4 × Molex peripheral connectors
- 1–2 × SATA power connectors (depending on configuration)
- 1 × FDD connector (optional)
4. Functionality
The NT250X functions as a regulated power supply unit (PSU) that converts AC mains voltage into multiple DC output rails required by computer and communication systems. It provides stable +3.3 V, +5 V, and +12 V outputs, along with auxiliary -12 V and +5 VSB standby rails, as per ATX specifications.
Operation Principle:
- The internal switching regulator converts AC input to DC through rectification, filtering, and pulse-width modulation (PWM) control.
- The temperature-controlled fan dynamically adjusts its speed based on internal thermal sensors, ensuring optimal cooling with minimal noise.
- Integrated protection circuits safeguard connected components from electrical faults.
Use Cases & Applications:
- Desktop PCs and workstations requiring quiet operation
- Communication systems and network devices certified under VDE 805
- Industrial control systems using ATX-compatible power supplies
- Embedded computing platforms and test benches
- Replacement PSU for standard ATX/PS/2 enclosures
Compatibility:
- Fully compatible with ATX motherboards and PS/2 chassis
- Supports both 115 V and 230 V AC mains (depending on regional configuration)
- Works with standard ATX connectors and peripheral power interfaces
5. Components & Accessories
Included Items:
- NT250X Power Supply Unit
- Integrated NMB/Papst cooling fan (pre-installed)
- Fixed output cables with standard ATX connectors
- AC input cable (optional, depending on packaging)
- Mounting screws (typically 4 × M3)
- User documentation or installation leaflet
Optional Add-ons:
- Modular cable extensions or adapters (if required for specific configurations)
- Additional noise-dampening gaskets or fan filters
- Replacement fan (NMB/Papst compatible)
Connectors & Interfaces:
- Standard ATX 20/24-pin mainboard connector
- CPU 4-pin (P4) connector
- Peripheral 4-pin Molex connectors
- SATA power connectors
- Optional floppy drive connector
6. Installation & Setup
Requirements:
- Compatible ATX or PS/2 chassis with standard PSU mounting bracket
- AC mains supply (100–240 V, 50/60 Hz)
- Proper grounding and ventilation
Mounting Options:
- Rear-mounted installation in standard ATX tower or desktop cases
- Four-screw mounting pattern (standard PS/2 layout)
- Fan exhaust directed outward through rear ventilation grid
Configuration Steps:
1. Disconnect system from mains power.
2. Insert NT250X into PSU bay and secure with mounting screws.
3. Connect ATX main power connector to motherboard.
4. Attach CPU, SATA, and peripheral connectors as required.
5. Verify all connections are secure and properly seated.
6. Connect AC input cable and power on system.
7. Ensure fan operation and verify stable voltage outputs.
Setup Notes:
- The temperature-controlled fan automatically adjusts speed; no manual configuration required.
- Ensure unobstructed airflow around the fan exhaust.
- For communication systems, verify compliance with VDE 805 installation guidelines.
7. Performance & Capabilities
Power Delivery:
- 250 W continuous output ensures stable operation for low- to mid-range systems.
- Typical output rails: +3.3 V, +5 V, +12 V, -12 V, +5 VSB.
- Load regulation within ±5% for main rails.
Efficiency & Thermal Performance:
- Efficiency typically 70–80%, depending on load and input voltage.
- Temperature-controlled fan maintains internal temperature below critical thresholds.
- Low acoustic profile under typical office or lab conditions.
Speed & Response:
- Fast transient response to load changes, ensuring stable voltage during system startup or heavy load transitions.
- Fan speed modulation provides immediate thermal response to internal heat buildup.
Capacity & Limitations:
- Suitable for systems with moderate power requirements (single CPU, integrated graphics, limited peripherals).
- Not intended for high-end gaming or multi-GPU configurations.
- Continuous operation supported within rated temperature and load limits.
Reliability:
- Long-life ball-bearing fan rated for extended service (typically >50,000 hours MTBF).
- Industrial-grade capacitors and components ensure consistent performance over time.
8. Standards & Compliance
Certifications:
- VDE 805: Certified for communication technology applications, ensuring compliance with German and European safety standards.
- CE Marking: Conforms to EU directives for electrical safety, electromagnetic compatibility (EMC), and environmental protection.
- GS (Geprüfte Sicherheit): Indicates independently tested safety compliance.
- TÜV Certification: Verified by TÜV for quality, safety, and performance reliability.
Industry Standards:
- ATX and PS/2 mechanical and electrical specifications
- IEC/EN 60950 or IEC/EN 62368 (safety of information technology equipment)
- EMC compliance per EN 55022 / EN 55024 (typical for CE-marked PSUs)
- RoHS compliance (lead-free and environmentally safe materials, depending on production date)
Regulatory Compliance:
- Meets European Low Voltage Directive (LVD) and EMC Directive requirements.
- Designed for safe integration into communication and IT systems under VDE 805 classification.
9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 12–24 months, depending on supplier).
- Covers defects in materials and workmanship under normal operating conditions.
Support:
- Technical documentation and installation guides available from authorized distributors.
- Replacement parts (fans, cables) available through service channels.
- Customer support for configuration and compliance inquiries.
Maintenance:
- Periodic dust removal recommended to maintain airflow and cooling efficiency.
- Fan bearings are sealed and maintenance-free.
- Visual inspection of cables and connectors advised during system servicing.
Updates & Revisions:
- Product may be updated with newer fan models or improved efficiency components while maintaining form factor and compatibility.
- Firmware or electronic control updates not required (hardware-based regulation).
Environmental Considerations:
- Designed for energy-efficient operation and reduced acoustic footprint.
- Compliant with European environmental directives (RoHS, WEEE).
- Recyclable metal housing and components.
Summary
The NT250X Power Supply Unit is a 250 W ATX/PS2 standard power supply engineered for quiet, reliable, and efficient operation in desktop and communication systems. Featuring a temperature-controlled NMB/Papst ball-bearing fan, it delivers low-noise cooling and long service life. Certified under VDE 805, CE, GS, and TÜV, it meets stringent European safety and performance standards. With its robust construction, stable power delivery, and universal ATX compatibility, the NT250X is ideal for professional, industrial, and communication applications requiring dependable, low-noise power conversion.
Product Name: NT250X Power Supply Unit
Model: NT250X
Series: Standard ATX Power Supply Series
Article Number: NT250X
Manufacturer: Not explicitly stated (compatible with standard ATX/PS/2 form factor systems; typically used in professional communication and IT equipment)
The NT250X is a 250-watt regulated ATX power supply designed for reliable, low-noise operation in desktop and communication systems. It features a temperature-controlled, ball-bearing cooling fan from NMB/Papst, ensuring long service life and quiet performance. The unit conforms to the PS/2 form factor, making it compatible with a wide range of ATX chassis and motherboards. Certified under VDE 805 for communication technology, and compliant with CE, GS, and TÜV standards, the NT250X is engineered for safety, efficiency, and durability in demanding environments.
2. Key Features
- Rated Output Power: 250 W continuous output for stable system performance.
- Form Factor: Standard ATX, PS/2 size, ensuring compatibility with most desktop and industrial enclosures.
- Cooling System: Integrated low-noise, temperature-controlled fan with ball bearings (NMB/Papst long-life type).
- Noise Optimization: Intelligent fan speed control adjusts airflow based on internal temperature, minimizing acoustic output during low-load operation.
- High Reliability: Designed for continuous operation in communication and IT systems, with robust protection circuits and high-quality components.
- Certifications: Fully compliant with VDE 805 (communication technology), CE, GS, and TÜV safety and quality standards.
- Thermal Management: Automatic thermal regulation ensures optimal cooling efficiency and component longevity.
- Durability: Long-life fan bearings and industrial-grade capacitors extend operational lifespan.
- Safety Protections: Over-voltage, over-current, and short-circuit protection (typical for certified ATX supplies).
- Universal Compatibility: Supports standard ATX connectors for mainboard, CPU, and peripheral power distribution.
3. Technical Specifications
- Power Output: 250 W nominal continuous output
- Input Voltage Range: Typically 100–240 V AC (auto-ranging, depending on configuration)
- Input Frequency: 50/60 Hz
- Form Factor: ATX / PS/2 standard dimensions
- Typical Dimensions: Approx. 150 mm (W) × 140 mm (D) × 86 mm (H) (standard PS/2 size)
- Weight: Approximately 1.2–1.5 kg (depending on cable configuration and fan type)
- Cooling Fan: NMB/Papst ball-bearing fan, temperature-controlled, low-noise design
- Fan Size: Typically 80 mm (standard for PS/2 ATX supplies)
- Noise Level: Low-noise operation, typically <25–30 dB(A) under normal load conditions
- Efficiency: Typically 70–80% (depending on load and input voltage)
- Operating Temperature Range: 0°C to +40°C (nominal)
- Storage Temperature Range: -20°C to +70°C
- Humidity: 10–90% non-condensing
- Safety Approvals: VDE 805, CE, GS, TÜV
- Material: Steel chassis with electro-galvanized finish; internal PCB with high-temperature-rated components
- Connectors (typical):
- 1 × 20/24-pin ATX main connector
- 1 × 4-pin CPU power connector
- 2–4 × Molex peripheral connectors
- 1–2 × SATA power connectors (depending on configuration)
- 1 × FDD connector (optional)
4. Functionality
The NT250X functions as a regulated power supply unit (PSU) that converts AC mains voltage into multiple DC output rails required by computer and communication systems. It provides stable +3.3 V, +5 V, and +12 V outputs, along with auxiliary -12 V and +5 VSB standby rails, as per ATX specifications.
Operation Principle:
- The internal switching regulator converts AC input to DC through rectification, filtering, and pulse-width modulation (PWM) control.
- The temperature-controlled fan dynamically adjusts its speed based on internal thermal sensors, ensuring optimal cooling with minimal noise.
- Integrated protection circuits safeguard connected components from electrical faults.
Use Cases & Applications:
- Desktop PCs and workstations requiring quiet operation
- Communication systems and network devices certified under VDE 805
- Industrial control systems using ATX-compatible power supplies
- Embedded computing platforms and test benches
- Replacement PSU for standard ATX/PS/2 enclosures
Compatibility:
- Fully compatible with ATX motherboards and PS/2 chassis
- Supports both 115 V and 230 V AC mains (depending on regional configuration)
- Works with standard ATX connectors and peripheral power interfaces
5. Components & Accessories
Included Items:
- NT250X Power Supply Unit
- Integrated NMB/Papst cooling fan (pre-installed)
- Fixed output cables with standard ATX connectors
- AC input cable (optional, depending on packaging)
- Mounting screws (typically 4 × M3)
- User documentation or installation leaflet
Optional Add-ons:
- Modular cable extensions or adapters (if required for specific configurations)
- Additional noise-dampening gaskets or fan filters
- Replacement fan (NMB/Papst compatible)
Connectors & Interfaces:
- Standard ATX 20/24-pin mainboard connector
- CPU 4-pin (P4) connector
- Peripheral 4-pin Molex connectors
- SATA power connectors
- Optional floppy drive connector
6. Installation & Setup
Requirements:
- Compatible ATX or PS/2 chassis with standard PSU mounting bracket
- AC mains supply (100–240 V, 50/60 Hz)
- Proper grounding and ventilation
Mounting Options:
- Rear-mounted installation in standard ATX tower or desktop cases
- Four-screw mounting pattern (standard PS/2 layout)
- Fan exhaust directed outward through rear ventilation grid
Configuration Steps:
1. Disconnect system from mains power.
2. Insert NT250X into PSU bay and secure with mounting screws.
3. Connect ATX main power connector to motherboard.
4. Attach CPU, SATA, and peripheral connectors as required.
5. Verify all connections are secure and properly seated.
6. Connect AC input cable and power on system.
7. Ensure fan operation and verify stable voltage outputs.
Setup Notes:
- The temperature-controlled fan automatically adjusts speed; no manual configuration required.
- Ensure unobstructed airflow around the fan exhaust.
- For communication systems, verify compliance with VDE 805 installation guidelines.
7. Performance & Capabilities
Power Delivery:
- 250 W continuous output ensures stable operation for low- to mid-range systems.
- Typical output rails: +3.3 V, +5 V, +12 V, -12 V, +5 VSB.
- Load regulation within ±5% for main rails.
Efficiency & Thermal Performance:
- Efficiency typically 70–80%, depending on load and input voltage.
- Temperature-controlled fan maintains internal temperature below critical thresholds.
- Low acoustic profile under typical office or lab conditions.
Speed & Response:
- Fast transient response to load changes, ensuring stable voltage during system startup or heavy load transitions.
- Fan speed modulation provides immediate thermal response to internal heat buildup.
Capacity & Limitations:
- Suitable for systems with moderate power requirements (single CPU, integrated graphics, limited peripherals).
- Not intended for high-end gaming or multi-GPU configurations.
- Continuous operation supported within rated temperature and load limits.
Reliability:
- Long-life ball-bearing fan rated for extended service (typically >50,000 hours MTBF).
- Industrial-grade capacitors and components ensure consistent performance over time.
8. Standards & Compliance
Certifications:
- VDE 805: Certified for communication technology applications, ensuring compliance with German and European safety standards.
- CE Marking: Conforms to EU directives for electrical safety, electromagnetic compatibility (EMC), and environmental protection.
- GS (Geprüfte Sicherheit): Indicates independently tested safety compliance.
- TÜV Certification: Verified by TÜV for quality, safety, and performance reliability.
Industry Standards:
- ATX and PS/2 mechanical and electrical specifications
- IEC/EN 60950 or IEC/EN 62368 (safety of information technology equipment)
- EMC compliance per EN 55022 / EN 55024 (typical for CE-marked PSUs)
- RoHS compliance (lead-free and environmentally safe materials, depending on production date)
Regulatory Compliance:
- Meets European Low Voltage Directive (LVD) and EMC Directive requirements.
- Designed for safe integration into communication and IT systems under VDE 805 classification.
9. Additional Information
Warranty:
- Standard manufacturer warranty (typically 12–24 months, depending on supplier).
- Covers defects in materials and workmanship under normal operating conditions.
Support:
- Technical documentation and installation guides available from authorized distributors.
- Replacement parts (fans, cables) available through service channels.
- Customer support for configuration and compliance inquiries.
Maintenance:
- Periodic dust removal recommended to maintain airflow and cooling efficiency.
- Fan bearings are sealed and maintenance-free.
- Visual inspection of cables and connectors advised during system servicing.
Updates & Revisions:
- Product may be updated with newer fan models or improved efficiency components while maintaining form factor and compatibility.
- Firmware or electronic control updates not required (hardware-based regulation).
Environmental Considerations:
- Designed for energy-efficient operation and reduced acoustic footprint.
- Compliant with European environmental directives (RoHS, WEEE).
- Recyclable metal housing and components.
Summary
The NT250X Power Supply Unit is a 250 W ATX/PS2 standard power supply engineered for quiet, reliable, and efficient operation in desktop and communication systems. Featuring a temperature-controlled NMB/Papst ball-bearing fan, it delivers low-noise cooling and long service life. Certified under VDE 805, CE, GS, and TÜV, it meets stringent European safety and performance standards. With its robust construction, stable power delivery, and universal ATX compatibility, the NT250X is ideal for professional, industrial, and communication applications requiring dependable, low-noise power conversion.
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