4U ±48V DC Industrial PC PS2 ATX Power Supply (270mm length)


4U ±48V DC Industrial PC PS2 ATX Power Supply (270mm length)

Series

Model No.

Output Watts

Input Voltage

Input Voltage range

Polarity reverse protection

48

STC-481400

1400W continuous

±48V DC

±36V ~ ±72V DC

Not Protected

48

STC-481200

1200W continuous

±48V DC

±36V ~ ±72V DC

Not Protected

ENVIRONMENTAL CONDITIONS: 

● Cooling: Forced Air-cooling,

80x80x25 mm Fan x 2 pcs (1200W), 80x89x38 mm Fan x 1 pc (1400W)

● Fan type:

DC type, 2 x Ball Bearing, 6200 r.p.m., Optional Fan Control Card

● Fan Noise Level:

40 dBA (DELTA Fan brand Official Data at 4000 r.p.m. 46.62 CFM)
@Full Load

● Fan Noise Level tested:
58 dBA @ Distance 1m (DELTA Fan brand at 4000 r.p.m. 46.62 CFM)
@Full Load
● Fan brand:
DELTA, NMB, SUNON, SUNON IP68 (for H version).
Specifications are equivalent
● Operating Temperature: 0°C ~ +50°C (-30°C~+60°C, H version is optional) Full Load
● Output Power:        
100% @ 50°C, 70% @ 60°C , 50% @ 70°C
● Operating Humidity: 20%~85% RH. (Non condensing) (95% RH 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 220A thickness 1.0mm / 1port for Positive terminal / 1 port for Negative Terminal (1200W)
● Input connector type 200A/300V UL Approved Gold Plated Brass 2 Pin 12.5mm Screw Terminal (1400W)
● Input Current 
22.3A/44.7A(1400W) 19A/38A(1200W) @Full Load High Line & Low Line
● Inrush Current Less than 90A Cold start @25°C ambient


DC OUTPUT CHARACTERISTICS:

 

Output

Voltage

Regulation

Output Current

Ripple & Noise

Load

Line

Cross

1400W

1200W

Min

Max

Min

Max

+5V

±5%

±1%

±5%

0A

25A

0A

35A

50mV

+12V

0A

112A

0A

92A

120mV

+3.3V

0A

22A

0A

22A

50mV

-12V

±8%

0A

0.3A

0A

0.3A

120mV

+5VSB

±5%

0A

3.5A

0A

4A

50mV

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

40

40

A

Maximum continuous total DC output power shall not exceed

1400

1200

Watt

OVERALL PERFORMANCE:   
● Efficiency 75% (1200W), 85% (1400W) typical @48V DC Full Load
● Power Good Signal TTL Compatible signal, on delay 100~500ms, off delay 1ms min
● Short Circuit Protection (SCP) All output equipped with SCP (shutdown 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@4.5V, +5V@6V, +12V@15.6V


RELIABILITY:
● MTBF (Mean Time Between Failure): >90 000 hours @max. Load, 48V 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: 1000V DC for 60 seconds
● Dielectric Withstand: INPUT to FRAME GROUND: 1000V DC for 60 seconds
● Leakage Current: <0.005μA @ 48V DC


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 2: Molex 8981-04P or equivalent
● FDD 4 pin x 2: AMP171822-4 or equivalent
● Serial ATA x 8 Molex 675820000 or equivalent
● CPU EPS 8 Pins x 1 Molex 39-01-2080 or equivalent
● PCIe x 4


Standard Output Cable Length:
● 610 mm / 24 inches

PCB specific:
● 4 layer 1.6 mm / STC-481200
● 8 layer 1.78 mm / STC-481400
● Copper: 3 Oz each layer
● Material: FR4
● PCB material origin: Taiwan

Power chassis Dimension:
● 270(L) x 150(W) x 86(H) mm / 10.63(L) x 5.9(W) x 3.39(H) Inches

Net Weight:
● 4.7 kg / 10.36 lbs

Gross Weight:
● 5.3 kg / 11.68 lbs

Packing Detail
● 2 pcs / Carton
● N.W. 10.8 kg / 23.8 lbs
● G.W. 11.8 kg / 26.0 lbs

Measurement of Carton
● 0.045 m3 / 1.58 Cu.Ft.

Input Connector Terminal Pictures: 

terminal1_250.jpg            terminal2_250.jpg


270mm_terminal_2022_400.jpg

 Optional connection wire
● Single wire, 4AWG, UL1015, standard length 3m (optional length is available)
81_1539105146-thmb.jpg

STC-DTD-270-enclosure - xs.pdf
DOWNLOAD_specification_4UATX_STC-481400_270mm.pdf
DOWNLOAD_stc-dtd-270_tm200-20220704s.pdf