Model

SMT-R12020-ND-P

SMT-R24020-ND-P

SMT-R48020-ND-P

Certificate

UL / FCC / ICES-005 / Class P / Class 2 / SELV

Output

DC Rate Voltage

12V

24V

48V

Voltage Tolerance

±3%

±2%

±2%

Load Regulation

±2%

±1%

±1%

Voltage Regulation

±0.5%

Rated current

1.67A

0.83A

0.42A

Rated power

20W

Overshoot

+10%

+5%

+5%

Input

Voltage Range

120-277VAC

Frequency Range

50 / 60Hz

Power Factor @ full load

>0.85

THD(Typ.) @ full load

≤10%@120VAC     ≤15%@277VAC

Efficiency @ full load

82%@120VAC

82%@277VAC

85.5%@120VAC

85.5%@277VAC

86%@120VAC

85%@277VAC

AC Current (Max.)

0.22A

Inrush Current (Typ.)

2.28A, 35us @50%Ipeak 120VAC     4.68A, 40us @50%Ipeak 277VAC

Leakage current

<0.5mA

Protection

Short Circuit

Shut down o/p voltage, recovers automatically after fault condition is removed.

Over Load

105%~110% Hiccup mode, recovers automatically after fault condition is removed.

Environment

Working TEMP. (Ta)

-40~+50℃

Case Temperature (Tc)

90℃

Working Humidity

20 - 90%RH  non-condensing   

Storage TEM.,Humidity

-40 - +80℃,10 - 95% RH non-condensing  

TEMP.coefficient

±0.03%/℃(0 - 50℃)

Vibration

10 ~ 500Hz, 2G  10 minutes/cycle, X Y Z axis 72minutes each

Safety & EMC

Safety standards

UL8750;   CAN/CSA-C22.2 No.250.13

Withstand voltage

I/P-O/P: 1.88KVAC

Isolation resistance

I/P-O/P:100MΩ / 500VDC / 25℃ / 70% RH

EMC Immunity

FCC/ICES do not request this test.

EMC Emission

FCC Part 15 Subpart B;  ANSI C63.4:2014+A1:2017;  ICES-005 Issue 5;  NMB-005

Surge Immunity Test

AC Power Line: Differential Mode 2 kV

Others

Net Weight

0.138KG

Dimension

69.4*62.9*24.0mm (Φ*W*H)

Packing

385*290*190mm   80pcs/CTN

Notes

Unless otherwise specified, all specifications are measured at120V input, rated load, and 25℃ ambient temperature.

Use only within an enclosure; DOIT ÊTRE INSTALLÉ DANS UNE ENCEINTE.