4U ±24V DC Industrial PC PS2 ATX Mini Redundant Power Supply


4U ±24V DC Industrial PC PS2 ATX Mini Redundant Power Supply

Series

Model No.

Output Watts

Input Voltage

Input Voltage range

Polarity reverse protection

24

STC-24500RD

500W continuous

±24V DC

±18V ~ ±36V DC

Max. 60V DC

ENVIRONMENTAL CONDITIONS: 

● Cooling:Forced Air Cooling

40x40x28 mm Fan x 2 (with 2 x Ball Bearing)

● Fan brand:

DELTA, NMB, SUNON, SUNON IP68 (for H version).
Specifications are equivalent
● Operating Temperature: 0°C ~ +50°C Full Load
● Output Power:
100% @ 50°C, 70% @ 60°C
● Operating Humidity: 20%~85% RH. (Non condensing) (95% Optional)
● Storage Temperature -20°C~+80°C 
● Storage Humidity:
10%~90% RH. (Non condensing)
● Operating Altitude 10M Below Sea level and 3000M Above Sea level


DC INPUT CHARACTERISTICS:
● Input connector type 30A/300V UL Approved Gold Plated Brass 1.2t/2-Pin Terminal
● Input Current 
17.4A/34.7A(500W) @ Full Load High Line & Low Line
● Inrush Current Less than 50A Cold start @25°C ambient


DC OUTPUT CHARACTERISTICS:

 

Output Voltage

Regulation

Output Current

Ripple & Noise

Load

Line

Cross

500W

Min

Max

+5V

±5%

±1%

±5%

1A

35A

50mV

+12V

1A

40A

120mV

+3.3V

0.5A

22A

50mV

-12V

±8%

0A

0.3A

120mV

-5V (optional)
±5% 0A 0.5A 50mV

+5VSB

±5%

0A

3.5A

50mV

Maximum continuous combined load on +3.3 V & +5V DC output shall not exceed

175

Wattage

Maximum continuous combined load on +3.3 V & +5V & 12V DC output shall not exceed

470

Maximum continuous total DC output power shall not exceed

500

OVERALL PERFORMANCE:   
● Efficiency 75% typical @24V DC Full Load
● Hold up time
When power shut down DC output 5V must be maintain 1ms @24V DC
● Power Good Signal   TTL Compatible signal, on delay 100~500ms, off delay 1ms min
● Short Circuit Protection (SCP)
All output equipped with SCP (shutdows and latch off)
● Over Power Protection (OPP) Peak power protected to 130%±10% of continuous rated power

(shutdown and latch off)
● Over Voltage Protection (OVP) +3.3V@3.6V~4.3V, +5V@5.5V~6.5V, +12V@13.2V~15.6V


RELIABILITY:
● MTBF (Mean Time Between Failure): 100 000 hours @max. Load, 24V DC & 25°C ambient
● Safety Standards Meet IEC60950-1, EN60950-1
● Safety Approved
● EMI Compatibility (EMC) Standard EN55032:2015/AC:2016, CISPR32:2015, EN6100-3-2:2014,

EN6100-3-3:2013, EN55024:2010 +A1:2015


ISOLATION:

● INPUT and OUTPUT are isolated by transformers and optical couplers
● Dielectric Withstand: INPUT to OUTPUT: 500V DC for 60 seconds
● Dielectric Withstand: INPUT to FRAME GROUND: 500V DC for 60 seconds
● Leakage Current: <0.005μA @ 24V DC


LED Indicator:
● Power module 1: Green LED when Power On
● Power module 2: Green LED when Power On


Alarm function:
● In the rear panel with power failure alarm signal to indicate when power failure wire


Alarm reset switch:
● To reset by switch


Output Connector specific:
● ATX 24 Pin x 1: Molex 29-01-2240 or equivalent
● +12V(P4) 4 pin x 1: Molex 39-01-2040 or equivalent
● HDD, DVD 4 pin x 4: Molex 8981-04P or equivalent
● FDD 4 pin x 1: AMP171822-4 or equivalent
● Serial ATA x 2:
Molex 675820000 or equivalent
● CPU EPS 8 Pins x 1:
Molex 39-01-2080 or equivalent
● PCIe x 2



Standard Output Cable Length:
● 500 mm / 19.68 inches

PCB specific:
●    4 layer
●    Copper: 3 Oz each layer
●    Thickness: 1.6 mm
●    Material: FR4
●    PCB material origin: Taiwan

Power chassis Dimension:
● 225(L) x 150(W) x 86(H) mm / 8.86(L) x 5.9(W) x 3.39(H) Inches

Rackmount chassis solution:
● 4U IPC Chassis 510mm Model no. GHI419ATX

Screw hole:
● Front Panel with 4 screw holes
● Rear panel bracket with 2 screw holes

Net Weight:
● 4.8 kg / 10.85 lbs

Gross Weight:
● 6 kg / 13.22 lbs

Packing Detail
● 2 pcs
● 12 kg / 26.45 lbs

Measurement of Carton
● 0.045 m3 / 1.59 Cuft

Note
● Power Supply is not able to be used in stand alone application
● Use Power Supply in Power Chassis Assembly only

DOWNLOAD_specification_RD_STC-24500RD.pdf
DOWNLOAD_alarm_diagram_STC-xxx00RD
DOWNLOAD_stc-12400rd_stc-24500rd_stc-48600rd_stc-48750rd.(stc-ps2-rd-225)-20230331-1.pdf