±48V PS2 AT Form Factor DC to DC Industrial Power Supply

Series	Model No.	Output Watts	Input Voltage	Input Voltage range	Polarity reverse protection
48	STC-48450AT	450 W continuos	±48V DC	±37V ~ ±71V DC	Max 100V DC
	STC-48400AT	400 W continuos			Max 100V DC
	STC-48350AT	350 W continuos			Max 100V DC
	STC-48300AT * EOL End of 2022	300 W continuos			Max 100V DC

ENVIRONMENTAL CONDITIONS:
● Cooling: Forced Air-cooling,	80x80x25 mm Fan x 1 (With Two Ball Bearing)
● Fan brand:	SUNON, DELTA, ADDA, NMB. Specifications are equivalent
● Operating Temperature:	0°C ~ +50°C (-20°C~+60°C, H version is optional) Full Load
● 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	25A/300V UL Approved 3-Pin Terminal
● Input connection	Make sure to plug the power source according to the label instruction
● Input Current	8A/16A(450W) 7A/14.5A(400W) 6.3A/12.5A(350W) 5.5A/10A(300W)
	@Full Load High Line & Low Line
● Inrush Current	Less than 15A Cold start @25°C ambient

DC OUTPUT CHARACTERISTICS:

Output

Voltage

Regulation

Output Current

Ripple & Noise

Load

Line

Cross

450W

400W

350W

300W

Min.

Max.

Min.

Max.

Min.

Max.

Min.

Max.

+5V

±5%

±1%

±5%

45A

40A

35A

30A

50mV

+12V

17.5A

15A

13A

11A

120mV

-5V

0.5A

50mV

-12V

±8%

0.8A

120mV

Maximum continuous total DC output power shall not exceed

450

400

350

300

OVERALL PERFORMANCE:
● Efficiency	70% 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 (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)	+5V, +12V

RELIABILITY:
● MTBF (Mean Time Between Failure):	100 000 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:
● P8 & P9:	Motherboard 6 pin
● HDD, DVD 4 pin x 6:	Molex 8981-04P or equivalent
● FDD 4 pin x 1:	AMP171822-4 or equivalent

Standard Output Cable Length:
● 530 mm / 20.87 inches

Power chassis Dimension:
● 140(L) x 150(W) x 86(H) mm / 5.51(L) x 5.9(W) x 3.39(H) Inches

Net Weight:
● 1.8 kg / 3.97 Lbs

Gross Weight:
● 2.0 kg / 4.4 Lbs

Packing Detail
● 8 pcs

Measurement of Carton
● 0.042 m3 / 1.49 Cuft