DR-120-24 DIN Rail Switching Power Supply – High-Performance 120W Industrial Power Solution
Advanced Power Technology for Demanding Applications
The DR-120-24 represents the next generation of DIN rail switching power supplies, engineered to deliver exceptional 120W performance in industrial environments. With its wide 100-240VAC input range and precise 24VDC/5A output, this power supply ensures reliable operation for critical automation systems, industrial controls, and commercial LED installations. The advanced thermal management and robust construction make it suitable for continuous operation in challenging conditions.
Comprehensive Technical Specifications
Power Performance Characteristics
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Output Power: 120W maximum continuous rating
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Output Voltage: 24VDC regulated output
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Output Current: 5A maximum, with current limiting protection
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Input Voltage: 100-240VAC auto-ranging (47-63Hz)
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Efficiency: Up to 91% typical, reducing energy costs
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Power Factor: ≥0.95 at full load for better grid utilization
Protection & Safety Systems
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Overload Protection: Automatic power limiting with auto-recovery
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Short Circuit Protection: Hiccup mode with auto-restart
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Overvoltage Protection: 26-28VDC clamp voltage
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Over Temperature: Thermal shutdown with auto-recovery
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Insulation: 3000VAC input-output isolation
Environmental Specifications
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Operating Temperature: -25°C to +70°C with derating above 60°C
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Storage Temperature: -40°C to +85°C
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Humidity: 20% to 95% non-condensing
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Cooling: Natural convection, fanless design
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Enclosure: IP20 protection for indoor applications
Application Versatility
Industrial Automation Systems
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PLC and controller power backup systems
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Industrial sensor networks and I/O modules
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Motor drives and motion control systems
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Robotic assembly and packaging equipment
LED Lighting & Signage
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Commercial LED lighting installations
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Architectural lighting control systems
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Digital signage and display power
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Emergency lighting backup systems
Specialized Equipment Power
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Telecommunications infrastructure
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Security and access control systems
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Test and measurement instruments
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Medical equipment power systems
Installation & Integration
Simplified Mounting Process
The DR-120-24 features universal DIN rail compatibility (TS-35/7.5/15) for quick installation in standard control panels. The compact dimensions (124mm × 100mm × 38mm) allow for high-density installations while maintaining proper airflow for cooling.
Wiring & Connection Guidelines
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Clear terminal markings for easy AC input (L/N) and DC output (+V/-V) connections
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Screw terminal design accommodates up to 12AWG wires
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Separate functional earth and chassis ground terminals
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Recommended torque: 0.5-0.6 N·m for secure connections
Quality & Reliability Assurance
Manufacturing Excellence
Each DR-120-24 undergoes rigorous testing including:
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Full load burn-in testing for 2 hours
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High-potential testing at 3000VAC
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Ripple and noise verification
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Thermal cycling and vibration testing
Certification & Compliance
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CE marked for European market requirements
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RoHS compliant for environmental safety
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UL/cUL recognition pending
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Designed to meet IEC/EN 62368-1 standards
DR-120 120W Din Rail Power Supply Project Technical index Output DC voltage 12V 24V Rated current 10A 5A Rated power 120W 120W Ripple and noise ① ＜120mV ＜150mV Voltage accuracy ±2% ±1% Ripple and noise ±10% Load adjustment rate ±1% Linear adjustment rate ±0.5% Input Voltage range / frequency 85-264VAC 47Hz～63Hz (120VDC～370VDC) Efficiency (typical) ② ＞86% ＞88% Working current ＜2.6A 110VAC ＜1.6A 220VAC Impulse current 110VAC 20A， 220VAC 40A Leakage current 500ms、70ms、32ms ：110VAC/500ms、70ms、36ms ：220VAC Protect overload protection 105%-150% Type:production mode:burp modde automatic recovery after the abnormal condition is lifted Overvoltage protection Output Voltage＞135% will be restored automatically after it is removed Short circuit protection VO The output abnormal condition will be restored automatically after it is removed after the power is restarted Environmental Science Working temperature and humidity -10℃～+50℃；20%～90RH Storage temperature and humidity -20℃～+85℃；10%～95RH Safety regulations Withstand voltage I/P-O/P:3KVAC I/P-FG:1.5KVAC O/P:0.5KVAC leakage current ＜1mA/240VAC Insulation impedance I/P-O/P， O/P-Shell， O/P-Shell ：500VDC/100MΩ Other size 65.5*125.2*100mm Net weight / gross weight 790/815g
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