Reliable 75W Power in Compact Enclosed Design
The LRS-75W 75W switching power supply delivers robust performance for various applications. This versatile AC-DC power supply features selectable 12V/24V DC output and wide 85-264V AC input range. Housed in a compact metal enclosure, this enclosed power supply offers excellent durability and thermal performance, making it ideal for LED lighting, industrial equipment, and automation systems.
Advanced Engineering for Stable Performance
Utilizing modern switching power supply technology, the LRS-75W achieves high efficiency up to 89% with low power loss. The unit meets international safety standards with complete EMI filtering, ensuring clean power output for sensitive electronics. The ventilated metal enclosure provides effective heat dissipation while protecting against dust and moisture, guaranteeing reliable operation in challenging environments.
Comprehensive Protection Features
This 75W industrial power supply incorporates multiple safeguards including overload protection (OLP), over-voltage protection (OVP), and short-circuit protection (SCP). The automatic thermal shutdown prevents damage from overheating, while the built-in surge protection handles input voltage fluctuations. All components comply with RoHS environmental standards, ensuring eco-friendly operation.
Wide Application Scope
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LED Lighting Systems: Perfect as 24V LED power supply for commercial lighting and signage
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Industrial Equipment: Reliable power for controllers, sensors, and automation devices
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Security Systems: Stable operation for CCTV cameras and access control units
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Telecommunications: Clean power for network equipment and communication devices
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Test & Measurement: Precision power for laboratory instruments and prototypes
Technical Specifications
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Output Power: 75W
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Output Voltage: 12V/24V DC selectable
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Output Current: 12V@6.25A or 24V@3.125A
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Input Voltage: AC 85-264V (47-63Hz)
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Efficiency: Up to 89%
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Power Factor: >0.9
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Protections: OLP/OVP/SCP/Over Temperature
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Operating Temperature: -30°C to +60°C
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Safety Certifications: CE, RoHS compliant
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Enclosure: Metal case with ventilation
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Dimensions: 199mm × 98mm × 38mm
Easy Installation & Integration
The LRS-75W features universal mounting options with standard screw terminals for secure connections. The compact design saves space in control cabinets and equipment enclosures. For different power needs, consider our LRS-50W model for lower power applications or the LRS-100W series for higher capacity requirements. Explore our complete range of switching power supplies to find your perfect power solution.
| LRS-75 series 75W switching power supply | |||||
| project | Technical index | ||||
| output | DC voltage | 5V | 12V | 24V | 48V |
| Rated current | 14A | 6A | 3.2A | 1.6A | |
| Rated power | 70W | 72W | 76.8W | 76.8W | |
| Ripple and noise ① | 100mVp-p | 120mVp-p | 150mVp-p | 200mVp-p | |
| Ripple and noise | ±10% | ||||
| Voltage accuracy | ±2.0% | ±1.0% | ±1.0% | ±1.0% | |
| Linear adjustment rate | ±0.5% | ±0.5% | ±0.5% | ±0.5% | |
| Load adjustment rate | ±1.0% | ±0.5% | ±0.5% | ±0.5% | |
| Starting and rising time | 500ms、30ms/230VAC 500ms、30ms/115VAC(full load) | ||||
| Retention time | 60ms/230VAC 12ms/115VAC(full load) | ||||
| input | Voltage range / frequency | 85-264VAC / 120-373VDC 47Hz～63Hz | |||
| Efficiency (typical) ② | 86.50% | 89% | 90% | 91.50% | |
| Working current | 1.4A/115VAC 0.85A/230VAC | ||||
| Impulse current | Cold boot：65A/230VAC | ||||
| Leakage current | ＜0.75mA 240VACTime | ||||
| protect | overload protection | 110%-130% Protection type: burping mode, automatic return to normal after removing abnormal conditions | |||
| Overvoltage protection | ≥ 115% – 145% protection type: close output, restart and automatically return to normal | ||||
| function | Working temperature and humidity | -30℃～+70℃；20%～90RH | |||
| Storage temperature and humidity | -40℃～+85℃；10%～95RH | ||||
| Safety regulations | Withstand voltage | Input output: 4kvac input shell: 2kvac output shell: 1.25kvac for 1 minute | |||
| Insulation impedance | Input output, input shell, output shell: 500VDC / 100M Ω 25 ℃ 70% RH | ||||
| Other | size | 99*97*30mm(L*W*H) | |||
| Net weight / gross weight | 250g/272g | ||||
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