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Mean Well LRS-350-12 Enclosed Switching Power Supply 12 V, 29 A, 348 W

Mean Well LRS-350-12 Enclosed Switching Power Supply 12 V, 29 A, 348 W

Model number
LRS-350-12

Mean Well LRS-350-12, an enclosed switching power supply from the LRS-350 series for 90-132 / 180-264 V AC input, up to 85% efficient, for machines, control panels and LED systems.

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Key features

  • AC input range selectable by switch
  • Withstand 300VAC surge input for 5 second
  • Protections: Short circuit / Overload / Over voltage / Over temperature
  • Forced air cooling by built-in DC fan
  • Built-in cooling Fan ON-OFF control
  • 1U low profile
  • Withstand 5G vibration test
  • LED indicator for power on
  • No load power consumption<0.75W
  • 100% full load burn-in test
  • High operating temperature up to 70℃
  • Operating altitude up to 5000 meters (Note.8)
  • High efficiency, long life and high reliability
  • 3 years warranty

Specifications

Output
DC voltage12V
Rated current29A
Current range0 ~ 29A
Rated power348W
Ripple & noise (max.)150mVp-p
Voltage adj. range10.2 ~ 13.8V
Voltage tolerance±1.5%
Line regulation±0.5%
Load regulation±1.0%
Setup, rise time1500ms, 50ms/230VAC 1500ms,50ms/115VAC at full load
Hold up time (typ.)16ms/230VAC 12ms/115VAC at full load
Input
Voltage range90 ~ 132VAC / 180 ~ 264VAC by switch 240 ~ 370VDC (switch on 230VAC)
Frequency range47 ~ 63Hz
Efficiency (typ.)85%
AC current (typ.)6.8A/115VAC 3.4A/230VAC
Inrush current (typ.)60A/115VAC 60A/230VAC
Leakage current<2mA / 240VAC
Protection
Over load110 ~ 140% rated output power; 3.3~36V Hiccup mode, recovers automatically after fault condition is removed.; 48V Shut down and latch off o/p voltage, re-power on to recover.
Over voltage13.8 ~ 16.2V; 3.3~36V Hiccup mode, recovers automatically after fault condition is removed.; 48V Shut down and latch off o/p voltage, re-power on to recover.
Over temperature3.3~36V Hiccup mode, recovers automatically after fault condition is removed.; 48V Shut down and latch off o/p voltage, re-power on to recover.
Function
Fan ON/OFF control (typ.)RTH3≧50℃ FAN ON, ≦40℃ FAN OFF
Environment
Working temp.-25 ~ +70℃ (Refer to "Derating Curve")
Working humidity20 ~ 90% RH non-condensing
Storage temp., humidity-40 ~ +85℃, 10 ~ 95% RH
Temp. coefficient±0.03%/℃ (0 ~ 50℃)
Vibration10 ~ 500Hz, 5G 10min./1cycle, 60min. each along X, Y, Z axes
Over voltage categoryⅢ: According to EN61558, EN50178, EN60664-1, EN62477-1; altitude up to 2000 meters
Safety & EMC
Safety standardsIEC/UL 62368-1,BSMI CNS15598-1,EAC TP TC 004,KC62368-1(for LRS-350-12/24 only),GB 4943.1,; BIS IS13252(Part1): 2010/IEC 60950-1: 2005(NOTE 11),BS EN/EN61558-1, BS EN61558-2-16; Designed by AS/NZS 61558.1/2.16, AS/NZS 62368.1,BS EN/EN62368-1
Withstand voltageI/P-O/P:3.75KVAC I/P-FG:2KVAC O/P-FG:0.5KVAC
Isolation resistanceI/P-O/P, I/P-FG, O/P-FG:100M Ohms/500VDC / 25℃/ 70% RH
EMC emissionCompliance to BSMI CNS15936, EAC TP TC 020,KSC9832,KSC9835(for LRS-350-12/24 only)
EMC immunityCompliance to BS EN/EN55035, EAC TP TC 020,KSC9832,KSC9835(for LRS-350-12/24 only)
Others
MTBF2099.9K hrs min. Telcordia SR-332 (Bellcore) ; 328.6Khrs min. MIL-HDBK-217F (25℃)
Dimension215*115*30mm (L*W*H)
Packing0.76Kg; 15pcs/12.4Kg/0.67CUFT

Specifications are from the manufacturer's published information. Confirm critical values with us or the datasheet before ordering.

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