POWER SUPPLY 50.4W/12VDC/4.2A ULTRA MINI LRS-50-12 MEAN WELL

Output Voltage: 12V DC
Output Current: 4.2A
Output Power: 50.4W
Adjustment Range: 10.2 – 13.8V
Voltage Tolerance: ±1.0%
Line / Load Regulation: ±0.5%
Ripple & Noise: 120mVp-p
Input Voltage Range: 85 – 264VAC / 120 – 373VDC
Frequency Range: 47 – 63Hz
Efficiency (typical): 86%
Input Current: 0.95A / 115VAC, 0.56A / 230VAC
Inrush Current: 45A / 230VAC (cold start)
No Load Power Consumption: <0.3W
Setup / Rise Time: 2000ms, 30ms @ 115VAC; 1000ms, 30ms @ 230VAC
Hold-up Time: 12ms @ 115VAC; 30ms @ 230VAC
Protections:
- Overload: 110 – 150% (hiccup mode, auto recovery)
- Overvoltage: 13.8 – 17.2V (shut down, re-power to recover)
- Short circuit
Operating Temperature: -30°C to +70°C (with derating)
Humidity: 20% – 90% RH non-condensing
Cooling: Free air convection
Weight: 0.21 kg
Dimensions: 99 x 82 x 30 mm
MTBF: 3,149,800 hours (Telcordia SR-332)
Certifications: UL62368-1, TUV EN62368-1, EN60335-1, EN61558-1/-2-16, GB4943.1, BSMI, EAC, KC, BIS IS13252, AS/NZS 60950-1
EMC Compliance: EN55032 class B, EN61000-6-2, EN61000-3-2
Technical Specs

Code: 07.00030

Availability: Available

13.97€

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Description

The Mean Well LRS-50-12 is a 12V DC, 50.4W enclosed switching power supply delivering 4.2A output current. Designed with a low-profile 30mm metal mesh case for improved heat dissipation, it operates from -30°C to +70°C without a fan using natural convection cooling.

It offers 86% efficiency, low no-load power consumption (<0.3W), and complete protection functions including overload, overvoltage, and short circuit. Compliant with global safety and EMC standards, the LRS-50-12 is ideal for industrial control systems, automation equipment, LED applications, and electronic devices requiring compact and reliable power solutions.

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POWER SUPPLY 50.4W/12VDC/4.2A ULTRA MINI LRS-50-12 MEAN WELL