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.