P3900 - NEW MEAN WELL 300W SWITCHING POWER SUPPLY OUTPUT 24VDC, MAX CURRENT 12.5A Universal AC PFC 0.98 @ 115 V AC; 0.95 @ 230 V AC • Protections: short circuit / over load/ over voltage/ over temp. • Cooling fan ON / OFF auto control • Approvals: UL / CUL / TUV / CB / CE • Fixed switching frequency at 110 KHz • Forced air cooling by built-in DC fan

Specifications
 
 

Operating temperature range
-10...+50°C

Over load protection
105...135%

Withstand voltage
-

I/ -O/P
3000 V AC

I/P-FG
1500 V AC

O/P-FG
500 V AC

Set, rise, hold up time
20ms

Weight
1200g
 

Input:
 

AC input voltage range
85 ...264 V AC

 
(47...63Hz)

 
124 ... 370 V DC

AC input current (at 230V)
2 A

AC inrush current
36 A

Output:

UA
Uadj
IAN
IA
PA
DUA
UOVP
URW
h

24 V

20 ... 26,4 V
12,5 A

0 ... 12,5 A

312 Watts

+ / - 1 %

27.6 ... 32,4 V
150 mVp-p
87 %

-

UA = Output voltage, DUA = Output voltage tol. , Uadj = Output voltage adjustment, IAN = Output current, IA = Output current range, PA = Output power, URW = Remaining ripple, h = Effectivity; UOVP = Over voltage protection
 

Pin numbers:

Pin 1,2
AC-Input

Pin 3
PE (Ground)

Pin 4,5
DC-Output -U

Pin 6,7
DC-Output +U