Switched-mode power supply 12V 4.2A enclosed MEAN WELL
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Switched-mode power supply 12V 4.2A enclosed MEAN WELL
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- General
- ModelLRS-50-12
- Output Voltage12V DC
- Rated Current4.2A
- Current Range0 – 4.2A
- Rated Power50.4W
- Ripple & Noise (max.)120 mVp-p
- Voltage Adjustment Range10.2 – 13.8V
- Voltage Tolerance±1.0%
- Line Regulation±0.5%
- Load Regulation±0.5%
- Efficiency (Typ.)86%
- Input Voltage Range85 – 264 VAC / 120 – 373 VDC
- Input Frequency47 – 63 Hz
- AC Current0.95A @ 115 VAC / 0.56A @ 230 VAC
- Inrush CurrentCold start 45A @ 230 VAC
- Leakage Current<0.75 mA @ 240 VAC
- Overload Protection110 – 150% of rated power (hiccup mode, auto recovery)
- Overvoltage Protection13.8 – 17.2V (shutdown, re-power to recover)
- Setup, Rise Time2000 ms, 30 ms @ 115 VAC (full load)
- Hold-up Time30 ms @ 230 VAC; 12 ms @ 115 VAC (full load)
- Working Temperature–30°C to +70°C (see derating curve)
- Working Humidity20 – 90% RH (non-condensing)
- Storage Temp & Humidity–40°C to +85°C / 10 – 95% RH
- Temperature Coefficient±0.03% / °C (0 – 50°C)
- Vibration Resistance10 – 500 Hz, 5G, 10 min/cycle, 60 min per X, Y, Z axes
- MTBF3149.8K hrs (Telcordia), 561.6K hrs (MIL-HDBK-217F @ 25°C)
- Dimensions99 × 82 × 30 mm (L × W × H)
- Weight0.21 kg; Packing: 60 pcs / 14 kg / 0.93 CUFT
- CoolingMethod Free air convection (fanless)
- ProtectionsShort circuit, overload, overvoltage
- Safety StandardsUL62368-1, TUV EN62368-1, EN60335-1, EN61558-1/-2-16, GB4943.1, BIS IS13252(Part1):2010, EAC, BSMI, KC (for 12/24V)
- EMC StandardsEN55032 Class B, EN61000-3-2/3, EN61000-4-2/3/4/5/6/8/11, EN61547, EN55035 (for LRS-50-12/24)
- Altitude OperationUp to 5000 meters
- FeaturesHigh efficiency, 1U low profile, LED power indicator, no load power < 0.3W, withstands 300VAC surge for 5 seconds, 5G vibration tested, overvoltage category III
- ApplicationsIndustrial automation, control systems, electrical and electronic equipment, household appliances
- Warranty3 years
