Series
| Model No.
| Output Watts
| Input Voltage | Input range
| Polarity Protection
| | 24 | STC-24550 | 550W continuous
| ±24V DC | ±18V ~ ±36V DC | Fuse protected
| | 24 | STC-24500 | 500W continuous
| ±24V DC | ±18V ~ ±36V DC | Fuse protected
| | 24 | STC-24450 | 450W continuous
| ±24V DC | ±18V ~ ±36V DC | Protected (60V DC)
| | 24 | STC-24400
*** MOQ 40 pcs *** | 400W continuous | ±24V DC | ±18V ~ ±36V DC | Protected (60V DC) | | 24 | STC-24350 | 350W continuous | ±24V DC | ±18V ~ ±36V DC | Protected (60V DC) |
* Optional H version with Black color chassis
ENVIRONMENTAL CONDITIONS:
● Cooling: Forced Air-cooling, 80x80x25 mm Fan x 1 pc● Fan type (350W): DC type, 2 x Ball Bearing, 3200 r.p.m., no Fan Control Card ● Fan type (other): DC type, 2 x Ball Bearing, 4000 r.p.m., with Fan Control Card ● Fan Noise level (350W): 33 dBA (DELTA Fan brand 3200 r.p.m. 41 CFM) @ Full Load ● Fan Noise level (other): 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 Full Load ● Operating Temperature: / H version -20°C~+60°C Full Load ● Operating Humidity: 20%~85% RH. (Non condensing) ● Operating Humidity: / H version 90% RH Non condensing ● Output Power: 100% @ 50°C, 70% @ 60°C, 50% @ 70°C ● Output Power: / H version 100% @ 60°C, 70% @ 65°C, 50% @ 70°C
● 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 50A/ 300V 2-Pins M4 Nickel Plated steel Terminal / STC-24500, STC-24550
● Input connector type 30A/ 300V UL Approved Gold Plated Brass 1.2t/3-Pin Terminal / STC-24350, STC-24400, STC-24450
● Input Current 24A/40A(550W) 17.3A/35.5A(500W) 16.5A/32.5A(450W)
14A/28.8A(400W) 12.6A/25.5A(350W) @Full Load High Line & Low Line
● Inrush Current Less than 35A Cold start @25°C ambient
DC OUTPUT CHARACTERISTICS:| Output Voltage | Regulation | Output Current | Ripple & Noise | | Load | Line | Cross | 550W | 500W | 450W | 400W | 350W | | Min | Max | Min | Max | Min | Max | Min | Max | Min | Max | | +5V | ±5% | ±1% | ±5% | 1A | 30A | 1A | 30A | 0A | 40A | 0A | 40A | 0A | 40A | 50mV | | +12V | 1A | 37.5A | 1A | 35A | 0A | 35A | 0A | 30A | 0A | 20A | 120mV | | +3.3V | 0A | 22A | 0A | 22A | 0A | 30A | 0A | 30A | 0A | 21A | 50mV | | -5V |
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| 0A | 1A
| 0A | 1A | 0A | 1A | 50mV | | -12V | ±8% | 0A | 0.3A | 0A | 0.3A | 0A | 1A | 0A | 1A | 0A | 1A | 120mV | | +5VSB | ±5% | 0A | 2.5A | 0A | 2.5A | 0A | 3A | 0A | 3A | 0A | 3A | 50mV | | Maximum continuous combined load on +3.3 V & +5V DC output shall not exceed | 150 | 150 | 200 | 200 | 200 | Watts | | Maximum continuous combined load on +3.3 V & +5V & 12V DC output shall not exceed | 520 | 470 | 420 | 370 | 320 | | Maximum continuous total DC output power shall not exceed | 550 | 500 | 450 | 400 | 350 | | Remark |
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| MOQ 40pcs |
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OVERALL PERFORMANCE:
● Efficiency 75% (500W, 550W), 70% (350W, 400W, 450W) typical @24V DC Full Load
● Rise time
● 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): >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, EN61000-3-2:2014,
EN61000-3-3:2013, 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
Output Connector specific:● ATX 24 Pin x1: Molex 29-01-2240 or equivalent
● +12V(P4) 4 pin x1: Molex 39-01-2040 or equivalent / STC-24350, STC-24400, STC-24450
● HDD, DVD 4 pin x2: Molex 8981-04P or equivalent
● FDD 4 pin x1: AMP171822-4 or equivalent
● Serial ATA x4: Molex 675820000 or equivalent
● CPU EPS 8 Pins x1: Molex 39-01-2080 or equivalent / STC-24350, STC-24400, STC-24450
● CPU EPS 8(4+4) Pins x2: Molex 39-01-2080 or equivalent / STC-24500, STC-24550
● PCIe (6 + 2) x1: ● PCIe (6 + 2) x2: STC-24550 support optional
Standard Output Cable Length:
● 550 mm / 21.65 inches
PCB specific:
● 2 layer 1.6mm / STC-24350, STC-2440, STC-24450 ● 4 layer 1.6mm / STC-24500, STC-24550 ● Copper: 3 Oz
● Material: FR4
● PCB material origin: Taiwan
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:
● 2 kg / 4.4 lbs / STC-24350, STC-2440, STC-24450 ● 2.3 kg / 5.07 lbs / STC-24500, STC-24550
Gross Weight:
● 2.5 kg / 5.51lbs / STC-24350, STC-2440, STC-24450 ● 2.8 kg / 6.17lbs / STC-24500, STC-24550
Packing Detail
● 8 PCs
Measurement of Carton
● 0.054 m3 / 1.92 Cuft
Optional Input Connector pictures:
 
SPECIFICATIONS:
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