277vac 24v 250w ip67 led power supply
SMT-024-250VWN is 250watt waterproof led power supply 24v, the lead time for samples is about 7 working days, for bulk is about 12 working days.
Feture
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·Output constant voltage
·Input voltage range 100-277VAC
·Built-in PFC function, PF> 0.98, Efficiency > 87%
·Protections:short circuit/over voltage/over heat
·IP67 design for indoor or outdoor installations
·Cooling by free air convection
·Suitable for LED lighting and moving sign applications
·Compliance to worldwide safety regulations for lightings.
·7 years warranty
·UL/cUL listed, Class P, Type HL approval
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Picture
Specification
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Model
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SMT-012-250VWN
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SMT-024-250VWN
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Output
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DC Voltage
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12V
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24V
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Voltage Tolerance
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±0.5V
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Voltage Regulation
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±0.5%
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Voltage Tolerance
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±0.5V
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Load Regulation
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±2%
±1%
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±1%
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Rated current
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20.83A
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10.41A
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Rated power
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250W
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Input
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Voltage Range
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100-277VAC
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Frequency Range
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47~63HZ
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Power Factor(Typ.)@ full load
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0.98@120VAC 0.97@277VAC
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0.98@120VAC 0.97@277VAC
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THD(Typ.)@ full load
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<20%
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Inrush Current (Typ.)
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20A, 50%, 1.4ms
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Full Load
Efficiency(Typ.)
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>88%
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>89%
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AC Current(Typ.)
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3.4A@110VAC
1.76A
1.76A
.A
1.74A
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Leakage current
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<0.50mA
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Protection
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Short Circuit
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shut down o/p voltage, re-power on to recover after fault condition
is removed
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Over load
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≤120% constant current limiting, auto-recovery
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Over temperature
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100℃±10℃ shut down o/p voltage, automatically recover after cooling.
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Over Current
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≤1.4*I out
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Environment
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Working TEMP.
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-40~+60℃
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Working Humidity
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20~90%RH,non-condensing
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Storage TEM.,Humidity
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-40~+80℃,10~95%RH
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TEMP.coefficient
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±0.03%/℃(0~50℃)
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Vibration
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10~500Hz 2G 10min./1 cycle,period for 60min.each along X,
Y,Z axes
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Safety&EMC
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Safety standards
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UL8750
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Withstand voltage
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I/P-O/P: 1.88KVAC
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Isolation resistance
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I/P-O/P:100MΩ/500VDC/25℃/70%RH
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EMC EMISSION
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Compliance to FCC Part 15 B
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EMC IMMUNITY
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EN61000-4-2,3,4,5,6,11(Surge 4KV)
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Others
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Weight
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1.70Kg
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Size
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276*78*47mm (L*W*H)
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packaging
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10PCS/CTN
385*335*200mm 20PCS/CTN
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Notes
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1. All parameters NOT specially mentioned are measured at 110V & 277VAC input , rated load and 25℃of ambient temperature.
2..Tolerance:includes set us tolerance,line regulation and load regulation.
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