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PULS QS20.241 Switching Power Supply

Reliable 24 /V DC Power for Industrial Automation

The PULS QS20.241 is part of the Dimension Q series, delivering 24–28 /V DC at 20 /A (480 /W) in a compact DIN rail design. Built for efficiency and reliability, it is ideal for powering demanding automation systems, robotics, and process control equipment.

 Key Specifications (Model QS20.241)

• Input Voltage: 100–240 /V AC (±10%) / 110–300 /V DC (±20%)
• Output Voltage: Adjustable 24–28 /V DC
• Output Current: 20 /A at 24 /V, 17.5 /A at 28 /V
• Output Power: 480 /W
• Efficiency: ~94%
• Ripple/Noise: ≤50 /mVpp
• Dimensions: 65 × 124 × 127 /mm
• Weight: ~1.3 /kg
• Operating Temperature: –25 /°C to +70 /°C (derating above +60 /°C)
• Certifications: UL, CSA, IEC, CE, RoHS, SEMI, Class I Div 2

Features & Benefits

• BonusPower: Delivers 50% extra power reserve for short periods.
• Active Power Factor Correction: PF ~0.95 for efficient energy use.
• Inrush Current Limitation: Reduces stress on upstream circuits.
• Diagnostics: DC OK relay contact, green LED for output OK, red LED for overload.
• High Reliability: MTBF > 700,000 hours at 40 /°C.
• Scalable: Can be paralleled with other units for higher power demands.

Applications

• Factory automation and robotics
• Process control systems
• Building management and security systems
• Renewable energy installations
• Large industrial equipment requiring continuous power

Related Dimension Q Series Models

 Considerations

• Cost premium: PULS units are priced higher than standard supplies, justified by reliability and certifications.
• Derating: Output power reduces above +60 /°C; ensure proper ventilation.
• Application fit: Best suited for critical automation where downtime costs outweigh purchase price.

Summary: The PULS QS20.241 Switching Power Supply provides efficient, high power 24 /V DC output in a robust DIN rail design, making it the ideal choice for large automation systems and mission critical industrial applications.