SITOP PSU100S 24VDC/2.5A Power Supply: Compact and Reliable Performance

Input Power Specifications

• Input Voltage Range: 85-132V AC for 120V systems
• Wide Input Capability: 170-264V AC for 230V operation
• Frequency Range: 47-63 Hz automatic adaptation
• Current Consumption: 1.25A at 120V, 0.74A at 230V input
• Inrush Current Limit: Maximum 33A with 0.4 A²·s I²t value
• Power Buffering: 20ms hold-up during voltage drops

Output Performance Characteristics

• Stable DC Output: 24V DC nominal voltage rating
• Adjustable Range: 22.8V to 28V via potentiometer control
• Current Capacity: 2.5A continuous, 3A up to 45°C
• Voltage Precision: 3% overall tolerance for consistent performance
• Ripple & Noise: 30mV typical, 150mV maximum residual ripple
• Response Time: 15ms typical voltage rise time

Protection & Safety Features

• Overvoltage Protection: Internal cutoff below 33V output
• Short-Circuit Proof: Constant current characteristic protection
• Overload Capability: 150% rated current for 5 seconds
• Current Limiting: 3.0-3.4A response range for fault conditions
• Isolation Rating: SELV output per EN 60950-1 safety standards
• Protection Class: IP20 for basic environmental protection

Efficiency & Thermal Management

• High Efficiency: 85% typical energy conversion rate
• Power Output: 60W typical delivered active power
• Heat Dissipation: 10W typical power loss during operation
• Temperature Derating: 3% per Kelvin above 60°C ambient
• Parallel Operation: Supports 2 units for increased power
• MTBF Rating: 1,804,044 hours at 40°C ambient temperature

Environmental Specifications

• Operating Temperature: -25°C to +70°C wide range capability
• Storage Conditions: -40°C to +85°C for transport and storage
• Humidity Range: 5-95% non-condensing relative humidity
• Climate Classification: IEC 60721 3K3 environmental category
• Marine Approval: BV and DNV shipbuilding certifications
• EMC Compliance: EN 61000-6-2 immunity and EN 55022 emission

Physical & Installation Data

• Compact Dimensions: 32.5mm × 125mm × 120mm (W×H×D)
• Installation Width: 32.5mm for space-efficient mounting
• Mounting Height: 225mm including connection space
• Lightweight Design: 0.32kg for easy handling
• DIN Rail Mounting: EN 60715 35x7.5/15 snap-on installation
• Wire Range: 0.5-2.5mm² for input and output connections

Monitoring & Indicators

• Status Display: Green LED for 24V OK visual indication
• Relay Contact: NO contact for remote monitoring (60V DC/0.3A)
• Response Delay: Maximum 0.3s for status signal activation
• Overshoot Protection: Less than 3% when switching on
• Load Step Response: 1ms settling time for 10-90% changes
• Voltage Stability: 0.1% regulation for input fluctuations

Package Contents

• Complete 6EP1332-2BA20 power supply unit
• DIN rail mounting clip and installation accessories
• Operation manual and technical data sheet
• Wiring diagram and connection guide
• Pale turquoise device identification labels

Shipping & Delivery

• FedEx express international shipping available
• UPS worldwide expedited delivery options
• DHL global air freight services offered
• Secure professional packaging materials
• Quick order processing within 24 hours

Technical Application Questions

• What is the main advantage of this power supply's compact design?
• The 32.5mm width allows high-density installation in control cabinets with limited space
• How does the temperature derating affect practical applications?
• Above 45°C ambient, the output current gradually reduces to maintain reliable operation
• Can I use this unit in parallel configuration for redundancy?
• Yes, two units can operate in parallel with proper bridging for increased reliability
• What maintenance schedule ensures long-term reliability?
• Annual inspection of terminals and cleaning of ventilation paths maintains optimal performance
• How do I interpret the status relay contact signals?
• The normally open contact closes when output voltage is within specification for remote monitoring

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