model

SMT-012-300VDHJ (1.0 version)

SMT-012-300VDHJWV2 (2.0/3.0 ver.)

SMT-024-288VDHJ (1.0 version)

SMT-024-288VDHJWV2 (2.0/3.0 ver.)

output

dc voltage

12VDC

24VDC

voltage tolerance

±0.5V

voltage regulation

±0.5%

load regulation

±1%

±1%

±1%

rated current

5*5A

3*4A

rated power

300W

288W

input

voltage range

100-277VAC

frequency range

47-63Hz

power Factor(Typ.)@ full load

0.99@120VAC 0.95@277VAC

0.99@120VAC 0.95@277VAC

THD(Typ.)@ full load

<20%

<20%

Efficiency(Typ.)@ full load

87%@120V 91%@277VAC

79%

85%@120V 90%@277VAC

ac Current(Max.)

3.4A@100VAC

3.6A@100VAC

inrush current (Typ.)

35A ,50%,960us @120VAC ; 43A,50%,1ms @277VAC

12.4A (twidth=430us) @277VAC

leakage current

<0.50mA

protection

short circuit

shut down o/p voltage, re-power on to recover after fault condition is removed

over loading

≤120% hiccup mode ,recovers automatically after fault condition is removed

over temperature

100℃±10℃ shut down o/p voltage, automatically recover after cooling.

environment

working TEMP.

-40~+60℃ (see below derating curve)

working humidity

20~90%RH, non-condensing

storage TEMP. humidity

-40~+80℃,10~95%RH

temp .coefficient

±0.03%/℃(0~50℃)

vibration

10~500Hz, 5G 10min./1 cycle,period for 60min. each along X,Y,Z axes

Safety&EMC

safety standards

UL8750+UL1310

withstand voltage

I/P-O/P:1.88KVAC

isolation resistance

I/P-O/P:100MΩ/500VDC/25℃/70%RH

EMC emission

fcc 47 CFR part 15 ,Subpart b

Others

weight

2.2Kg(1.0 version)

size

1.0 version: 301*108*46mm (L*W*H)

2.0 version: 301*140*45mm (L*W*H) / 3.0 ver.: 301*110*45mm (L*W*H)

packaging

Carton:365*250*245mm, Packaging: 10pcs /CTN G.W.:26.6KG/CTN

notes

1. all parameters if not specially mentioned are measured at 120VAC input , rated load and 25℃of ambient temperature.

2. To extend the driver's using life ,please reduce the loading at lower input voltage.