CYBENETICS LTD Syrou 6, Latsia, 2231, Nicosia Cyprus
Version:00
Micronics Wizmax G 1200W
Serial Number2P030102206
Lab IDMI12002853
Certification ID252853
  • Test Result Report ID: 25PS2853A
  • Certificate Issue Date: Jun 23, 2025
115V230V
Scheme: ETA-EMI PSU
115V230V
Scheme: LAMBDA PSU
Outside Validation Scope
Aristeidis Bitziopoulos, Certification Body General Manager

General Information

DUT Information

BrandMicronics
Manufacturer (OEM)Great Wall
SeriesWizmax G
Model NumberMWMG1200GDF14F
Serial Number2P030102206
DUT Notes

DUT Specifications

Rated Voltage (Vrms)100-240
Rated Current (Arms)8-15
Rated Frequency (Hz)50-60
Rated Power (W)1200
TypeATX12V
Dimensions (W x H x D)
Cooling140mm Fluid Dynamic Bearing Fan (HA1425M12F-Z)
Semi-Passive Operation✓
Cable DesignFully Modular

Power Specifications

Rail3.3V5V12V5VSB-12V
Max. PowerAmps252510030.8
Watts1301200159.6
Total Max. Power (W)1200

Test Equipment

Electronic Loads Chroma 63601-5 x2
Chroma 63600-2
Chroma 63640-80-80 x10
Chroma 63610-80-20
AC Sources Chroma 6530, APM SP300VAC4000W-P, GW Instek ASR-3500
Power Analyzers Rohde & Schwarz HMC8015 & NPA701
Oscilloscopes Picoscope 4444, Siglent SDS2104X PLUS
Sound Analyzer Bruel & Kjaer 2270 G4
Microphone Bruel & Kjaer Type 4955-A
Temperature Logger Picoscope TC-08
Tachometer UNI-T UT372
Multimeters Keysight 34465A
EMI Analyzer TekBox TBMR-110M-EU
Isolation Transformer 4kVA
UPS FSP Champ Tower 3kVA, CyberPower OLS3000E 3kVA
Testing Methodology Cybenetics PSU Test Protocol

Cables and Connectors(Non-accredited measurements)

Modular Cables
Description Cable Count Connector Count (Total) Gauge In Cable Capacitors
ATX connector 20+4 pin (610mm) 1 1 16-18AWG No
4+4 pin EPS12V (700mm) 2 2 18AWG No
6+2 pin PCIe (675mm) 2 2 18AWG No
2x 6+2 pin PCIe (675mm) 1 2 18AWG No
12+4 pin PCIe (675mm) (600W) 2 2 16-24AWG No
SATA (400mm+120mm+120mm+120mm) 2 8 18AWG No
4-pin Molex (400mm+120mm+120mm+120mm) 1 4 18AWG No

Parts Description

General Data
Manufacturer (OEM) Great Wall
PCB Type Double-Sided
Primary Side
Transient Filter 4x Y caps, 2x X caps, 2x CM chokes, 1x MOV
Inrush Protection 1x NTC Thermistor SCK205R0 (5 ohm) & Relay
Bridge Rectifier(s)
2x GBU25KH (800V, 25A @ 25°C)
APFC MOSFETs
2x Rohm Semiconductor R6055VNZ4 (600V, 55A @ 55°C, Rds(on): 0.080Ohm)
APFC Boost Diode
1x WeEn Semiconductor WNSC6D06650 (650V, 6A @ 156°C)
Bulk Cap(s)
1x Rubycon (420V, 680uF, 3000h @ 105°C, MXK) &
1x Rubycon (450V, 470uF , 3000h @ 105°C, MXT)

Main Switchers
2x STMicroelectronics STW48N60DM2 (600V, 25A @ 100°C, Rds(on): 0.079Ohm)
APFC  Controller
1x Champion CM6500UNX &
1x Champion CM03X (reduce the no-load consumption)
Resonant Controller
Champion CM6901T6X
IC Driver
1x Novosense NSi6602
Topology
Primary side: APFC, Half-Bridge & LLC Resonant Converter
Secondary side: [12V] Synchronous Rectification & [Minor Rails] DC-DC converters
Secondary Side
+12V MOSFETs 6x Infineon BSC014N04LS (40V, 145A @ 100°C, Rds(on): 1.4mOhm)
5V & 3.3V DC-DC Converters: 4x DMTH3004LK3 (30V, 75A @ 70°C, Rds(on): 4mOhm)
PWM Controller(s): Anpec APW7159C
Filtering Capacitors

Electrolytic:
12x Nippon Chemi-Con (2-5,000h @105°C, KZE)
2x Rubycon (2-10,000 @ 105°C, YXF)
2x Rubycon (4-10,000h @105°C, YXJ)
1x Rubycon (3-6,000h @105°C, YXG)
1x Rubycon (2-10,000 @ 105°C, ZLH)
Polymer: 
21x FPCAP, 11x Nippon Chemi-Con

Supervisor IC 1NIS4291-SCG
Fan Model Hong Hua HA1425M12F-Z (140mm, 12V, 0.36A , Fluid Dynamic Bearing Fan)
5VSB
Rectifier
STMicroelectronics STPS1045B (45V, 10A)
Standby PWM Controller
Power Integrations TNY278PN

Test Results

Temperature & Compliance Info

Temperature Range (°C /°F)30-32 / 86-89.6
ErP Lot 3/6 Ready✓
(EU) No 617/2013 Compliance✓
ALPM (Alternative Low Power Mode) compatible✓
ATX v3.1 PSU Power Excursion✓

Performance Summary

Efficiency RatingPLATINUM
Noise RatingA
Average Efficiency (>1450 load combinations)89.045%
Average Noise Output (>1450 Load Combinations)24.74dBA
Average PF (>1450 Load Combinations)0.991
Efficiency With 10W (≤500W) or 2% (>500W) Load68.651%
Standby Power Consumption0.0684W
12V Ripple (Full Load)18.47mV
5V Ripple (Full Load)9.33mV
3.3V Ripple (Full Load)8.75mV
5VSB Ripple (Full Load)12.99mV
12V Load Regulation0.82%
5V Load Regulation0.68%
3.3V Load Regulation1.10%
5VSB Load Regulation4.11%
Inrush CurrentToo low to detect
Efficiency RatingPLATINUM
Noise RatingA
Average Efficiency (>1450 load combinations)91.238%
Average Noise Output (>1450 Load Combinations)24.82dBA
Average PF (>1450 Load Combinations)0.970
Efficiency With 10W (≤500W) or 2% (>500W) Load69.446%
Standby Power Consumption0.1338W
12V Ripple (Full Load)23.55mV
5V Ripple (Full Load)10.05mV
3.3V Ripple (Full Load)9.32mV
5VSB Ripple (Full Load)13.64mV
12V Load Regulation0.80%
5V Load Regulation0.70%
3.3V Load Regulation1.07%
5VSB Load Regulation4.01%
Inrush CurrentToo low to detect
12V Transient Response (200%)11.19V
5V Transient Response (200%)4.837V
3.3V Transient Response (200%)3.167V
5VSB Transient Response (200%)4.921V
Hold-Up Time & Power Ok Signal22.30ms
AC Loss to PWR_OK Hold Up Time18.80ms
PWR_OK Inactive to DC Loss Delay3.50ms
PSU Timings: T1 (20% / 100%)50.0ms50.0ms
PSU Timings: T3 (20% / 100%)118.0ms117.0ms
12V OCP (28.9°C / 46.2°C)124.20A (124.20%), 11.938V120.40A (120.40%), 11.941V
5V OCP (28.9°C / 46.2°C)31.8A (127.20%), 4.99V31.7A (126.80%), 4.992V
3.3V OCP (28.9°C / 46.2°C)33.9A (135.60%), 3.284V33.7A (134.80%), 3.288V
5VSB OCP (28.9°C / 46.2°C)5.4A (180.00%), 4.943V5.2A (173.33%), 4.948V
OPP (28.70°C / 45.26°C)121.03%117.70%

Hold-Up Time & Power Ok Signal

Hold-Up Time (ms)22.3
AC Loss to PWR_OK Hold Up Time (ms)18.8
PWR_OK Inactive to DC Loss Delay (ms)3.5

Vampire Power

Tables

Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 115.07 V 115.02 V 113.85 V 115.12 V 116.15 V PASS
Mains Frequency: 60.00 Hz 59.96 Hz 59.40 Hz 60.03 Hz 60.60 Hz PASS
Mains Voltage CF: 1.416 1.415 1.340 1.418 1.490 PASS
Mains Voltage THD: 0.14 % 0.11 % N/A 0.20 % 2.00 % PASS
Real Power: 0.068 W 0.048 W N/A 0.091 W N/A N/A
Apparent Power: 11.722 W 11.612 W N/A 11.828 W N/A N/A
Power Factor: 0.005 N/A N/A N/A N/A N/A
Detailed Results
Average Min Limit Min Max Limit Max Result
Mains Voltage RMS: 231.03 V 230.92 V 227.70 V 231.11 V 232.30 V PASS
Mains Frequency: 50.00 Hz 49.99 Hz 49.50 Hz 50.01 Hz 50.50 Hz PASS
Mains Voltage CF: 1.417 1.416 1.340 1.418 1.490 PASS
Mains Voltage THD: 0.17 % 0.14 % N/A 0.28 % 2.00 % PASS
Real Power: 0.134 W 0.083 W N/A 0.194 W N/A N/A
Apparent Power: 39.489 W 39.151 W N/A 39.796 W N/A N/A
Power Factor: 0.003 N/A N/A N/A N/A N/A

Graphs

Efficiency Graph

INFO

This graph depicts the PSU`s efficiency throughout its entire operational range. For the generation of the efficiency and noise graphs we set our loaders to auto mode through our custom-made software before trying thousands of possible load combinations

INFO

This graph depicts the PSU`s efficiency throughout its entire operational range. For the generation of the efficiency and noise graphs we set our loaders to auto mode through our custom-made software before trying thousands of possible load combinations

Noise Graph

INFO

The PSU`s noise in its entire operational range and under 30-32 °C ambient is depicted in this graph. The X axis represents the load on the +12V rail(s) while the Y axis is the load on the minor rails

INFO

The PSU`s noise in its entire operational range and under 30-32 °C ambient is depicted in this graph. The X axis represents the load on the +12V rail(s) while the Y axis is the load on the minor rails

Conducted Emissions EN55032 & CISPR 32

NEUTRAL
PHASE

Indicative Performance

Efficiency under high ambient temperature

INFO

The PSU`s efficiency under high ambient temperatures with 115V and 230V input. For this graph the results of the 10-110% load regulation table are used

5VSB Efficiency

INFO

This graph depicts the efficiency levels of the 5VSB rail with 115V and 230V input

5VSB Efficiency (ERP LOT 3/6 & CEC)

Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.231W 67.939% 0.03
5.12V 0.34W 114.96V
2 0.09A 0.461W 74.874% 0.054
5.118V 0.617W 114.96V
3 0.55A 2.805W 81.672% 0.244
5.1V 3.435W 114.96V
4 1A 5.084W 81.26% 0.345
5.082V 6.256W 114.96V
5 1.5A 7.597W 79.731% 0.404
5.063V 9.529W 114.96V
6 3A 15.008W 77.022% 0.482
5.002V 19.486W 114.96V
Test # 5VSB DC/AC (Watts) Efficiency PF/AC Volts
1 0.045A 0.231W 56.348% 0.011
5.121V 0.413W 230.07V
2 0.09A 0.461W 66.72% 0.018
5.119V 0.692W 230.07V
3 0.55A 2.805W 79.726% 0.09
5.099V 3.519W 230.07V
4 1A 5.082W 81.411% 0.15
5.081V 6.242W 230.06V
5 1.5A 7.593W 80.55% 0.208
5.061V 9.428W 230.06V
6 3A 15.008W 79.976% 0.312
5.002V 18.764W 230.07V

Protection Features

OCP (Normal @ 28.9°C)12V: 124.20A (124.20%), 11.938V
5V: 31.8A (127.20%), 4.99V
3.3V: 33.9A (135.60%), 3.284V
5VSB: 5.4A (180.00%), 4.943V
OCP (Hot @ 46.2°C)12V: 120.40A (120.40%), 11.941V
5V: 31.7A (126.80%), 4.992V
3.3V: 33.7A (134.80%), 3.288V
5VSB: 5.2A (173.33%), 4.948V
OPP (Normal @ 28.7°C)1452.41W (121.03%)
OPP (Hot @ 45.3°C)1412.40W (117.70%)
OTP✓ (107°C @ Heat Sink)
SCP12V to Earth: ✓
5V to Earth: ✓
3.3V to Earth: ✓
5VSB to Earth: ✓
-12V to Earth: ✓
PWR_OKProper Operation
UVP (Full Load @ 90V)✓
UVP (No Damage @ 80V)✓
Conducted Emissions EN55032 & CISPR 32✓
NLO✓
Fan Failure Protection✗
SIPSurge: MOV
Inrush: NTC & Bypass Relay

Supplementary Tests (For Reference)

Typical Load Tests

Test 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) Temps (In/Out) PF/AC Volts
10% 8.190A 1.996A 1.997A 0.985A 120.032 87.794% 0 <6.0 47.16°C 0.985
12.017V 5.012V 3.306V 5.077V 136.723 40.16°C 114.89V
20% 17.412A 2.996A 2.999A 1.186A 240.01 90.723% 0 <6.0 50.48°C 0.981
12.009V 5.009V 3.302V 5.06V 264.551 40.64°C 114.85V
30% 26.945A 3.497A 3.501A 1.388A 359.431 91.493% 0 <6.0 52.4°C 0.988
12.001V 5.007V 3.299V 5.044V 392.845 41.16°C 114.83V
40% 36.571A 4A 4.007A 1.592A 479.782 91.357% 826 23.5 41.96°C 0.992
11.993V 5.001V 3.295V 5.027V 525.174 45.37°C 114.81V
50% 45.813A 5.005A 5.015A 1.797A 599.54 91.042% 879 25.5 42.46°C 0.995
11.984V 4.997V 3.29V 5.009V 658.529 46.18°C 114.78V
60% 55.133A 6.01A 6.025A 2.001A 720.063 90.533% 977 28.6 42.75°C 0.996
11.976V 4.993V 3.287V 4.991V 795.362 47.22°C 114.76V
70% 64.401A 7.017A 7.037A 2.212A 839.826 89.856% 1110 32.1 43.07°C 0.997
11.967V 4.99V 3.283V 4.973V 934.642 48.92°C 114.73V
80% 73.746A 8.023A 8.05A 2.319A 959.828 89.073% 1253 35.6 43.76°C 0.997
11.959V 4.987V 3.28V 4.959V 1077.568 51.24°C 114.69V
90% 83.434A 8.529A 8.546A 2.427A 1079.65 88.258% 1371 38 44.23°C 0.998
11.951V 4.984V 3.276V 4.945V 1223.281 52.98°C 114.65V
100% 92.946A 9.036A 9.074A 3.054A 1199.693 87.314% 1503 40.1 45.56°C 0.998
11.942V 4.981V 3.273V 4.912V 1374.002 55.41°C 114.62V
110% 102.394A 10.046A 10.185A 3.062A 1320.321 86.192% 1628 42.1 46.17°C 0.998
11.934V 4.977V 3.269V 4.9V 1531.836 57.03°C 114.59V
CL1 0.117A 15.656A 15.651A 0A 131.31 80.894% 0 <6.0 57.71°C 0.986
12.021V 5.001V 3.297V 5.1V 162.322 40.28°C 114.92V
CL2 0.116A 25.003A 0A 0A 126.397 79.537% 0 <6.0 56.7°C 0.987
12.013V 4.999V 3.31V 5.106V 158.916 40.18°C 114.91V
CL3 0.116A 0A 25.045A 0A 83.893 72.92% 0 <6.0 54.06°C 0.981
12.025V 5.019V 3.294V 5.104V 115.052 40.24°C 114.92V
CL4 100.475A 0A 0A 0A 1200.167 87.889% 1498 40.1 45.51°C 0.998
11.945V 4.997V 3.285V 5.03V 1365.551 55.13°C 114.63V

The results above are not used in the certification process

Test 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) Temps (In/Out) PF/AC Volts
10% 8.188A 1.995A 1.997A 0.985A 120.02 88.842% 0 <6.0 48.47°C 0.899
12.020V 5.013V 3.306V 5.08V 135.091 40.15°C 230.05V
20% 17.408A 2.995A 2.999A 1.185A 240 92.164% 0 <6.0 48.83°C 0.953
12.011V 5.01V 3.302V 5.063V 260.409 40.83°C 230.02V
30% 26.943A 3.496A 3.502A 1.387A 359.457 93.117% 0 <6.0 49.87°C 0.971
12.003V 5.007V 3.299V 5.047V 386.028 41.19°C 229.99V
40% 36.575A 4.001A 4.008A 1.591A 479.87 93.18% 825 23.5 41.86°C 0.978
11.993V 5.001V 3.294V 5.03V 514.991 44.69°C 229.97V
50% 45.818A 5.005A 5.017A 1.796A 599.626 93.067% 882 25.7 42.29°C 0.983
11.985V 4.996V 3.29V 5.013V 644.297 45.76°C 229.95V
60% 55.133A 6.011A 6.027A 2.001A 720.118 92.789% 975 28.4 42.87°C 0.986
11.976V 4.993V 3.286V 4.995V 776.077 47.38°C 229.95V
70% 64.397A 7.017A 7.039A 2.21A 839.848 92.379% 1089 31.5 43.21°C 0.988
11.969V 4.99V 3.282V 4.977V 909.139 48.68°C 229.94V
80% 73.743A 8.024A 8.052A 2.318A 959.828 91.883% 1217 34.5 43.93°C 0.99
11.960V 4.986V 3.279V 4.963V 1044.63 50.42°C 229.93V
90% 83.432A 8.53A 8.548A 2.425A 1079.651 91.349% 1351 37.5 44.61°C 0.992
11.951V 4.983V 3.276V 4.949V 1181.896 52.59°C 229.92V
100% 92.943A 9.037A 9.076A 3.051A 1199.703 90.706% 1489 40.1 45.83°C 0.993
11.943V 4.98V 3.272V 4.917V 1322.624 54.44°C 229.9V
110% 102.401A 10.047A 10.187A 3.059A 1320.325 89.999% 1617 42.1 46.93°C 0.994
11.933V 4.977V 3.269V 4.905V 1467.048 56.91°C 229.89V
CL1 0.117A 15.658A 15.654A 0A 131.311 82.717% 0 <6.0 48.38°C 0.922
12.018V 5.001V 3.296V 5.099V 158.747 40.81°C 230.05V
CL2 0.116A 25.008A 0A 0A 126.397 80.735% 0 <6.0 50.66°C 0.92
12.011V 4.998V 3.31V 5.105V 156.559 41.99°C 230.05V
CL3 0.116A 0A 25.046A 0A 83.892 73.974% 0 <6.0 50.55°C 0.876
12.024V 5.019V 3.294V 5.104V 113.409 41.48°C 230.06V
CL4 100.479A 0A 0A 0A 1200.127 91.294% 1464 39.6 45.76°C 0.993
11.944V 4.997V 3.285V 5.03V 1314.579 54.54°C 229.92V

The results above are not used in the certification process

Light Load Tests

Test 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) Temps (In/Out) PF/AC Volts
20W 1.234A 0.499A 0.499A 0.196A 20.004 64.797% 0 <6.0 41.94°C 0.888
12.040V 5.015V 3.309V 5.114V 30.871 36.18°C 114.94V
40W 2.720A 0.698A 0.698A 0.294A 40.004 76.253% 0 <6.0 43.14°C 0.948
12.016V 5.015V 3.308V 5.109V 52.464 37.03°C 114.93V
60W 4.204A 0.898A 0.898A 0.392A 60.004 82.718% 0 <6.0 45.17°C 0.964
12.020V 5.015V 3.308V 5.104V 72.542 38.61°C 114.92V
80W 5.686A 1.097A 1.098A 0.491A 79.976 84.8% 0 <6.0 46.65°C 0.975
12.019V 5.015V 3.308V 5.098V 94.31 39.6°C 114.9V

The results above are not used in the certification process

Test 12V 5V 3.3V 5VSB DC/AC (Watts) Efficiency Fan Speed (RPM) PSU Noise (dB[A]) Temps (In/Out) PF/AC Volts
20W 1.234A 0.499A 0.499A 0.196A 20.003 65.593% 0 <6.0 41.07°C 0.542
12.038V 5.014V 3.307V 5.114V 30.499 36.8°C 230.07V
40W 2.720A 0.698A 0.698A 0.294A 40 78.072% 0 <6.0 42.57°C 0.706
12.017V 5.015V 3.307V 5.11V 51.233 37.51°C 230.07V
60W 4.203A 0.898A 0.898A 0.392A 59.999 83.559% 0 <6.0 45.41°C 0.794
12.021V 5.015V 3.307V 5.105V 71.802 38.68°C 230.07V
80W 5.684A 1.097A 1.098A 0.49A 79.959 86.266% 0 <6.0 46.7°C 0.85
12.021V 5.015V 3.307V 5.1V 92.694 39.14°C 230.07V

The results above are not used in the certification process

Ripple Measurements

Test12V5V3.3V5VSBPass/Fail
10% Load10.68mV6.07mV4.12mV6.67mVPass
20% Load11.41mV6.48mV4.32mV8.05mVPass
30% Load11.15mV6.63mV4.58mV7.80mVPass
40% Load12.36mV6.88mV4.73mV8.30mVPass
50% Load12.62mV7.19mV5.14mV8.36mVPass
60% Load17.15mV9.08mV5.70mV10.03mVPass
70% Load17.60mV9.54mV6.05mV10.90mVPass
80% Load17.76mV8.72mV8.34mV11.11mVPass
90% Load17.40mV8.88mV8.59mV11.41mVPass
100% Load18.47mV9.33mV8.75mV12.99mVPass
110% Load19.94mV9.54mV9.41mV13.45mVPass
Crossload110.74mV6.63mV8.09mV6.21mVPass
Crossload210.58mV6.68mV3.97mV6.42mVPass
Crossload311.60mV7.75mV11.85mV6.62mVPass
Crossload418.98mV8.88mV5.75mV9.48mVPass

The results above are not used in the certification process

Test12V5V3.3V5VSBPass/Fail
10% Load10.84mV6.38mV4.07mV6.78mVPass
20% Load12.23mV6.27mV4.43mV7.49mVPass
30% Load11.50mV6.83mV4.78mV7.85mVPass
40% Load12.77mV7.45mV4.73mV8.61mVPass
50% Load13.89mV7.45mV5.08mV8.41mVPass
60% Load17.45mV9.59mV5.65mV10.29mVPass
70% Load19.44mV9.59mV6.05mV12.48mVPass
80% Load18.12mV8.47mV8.04mV10.60mVPass
90% Load18.06mV9.08mV7.99mV11.16mVPass
100% Load23.55mV10.05mV9.32mV13.64mVPass
110% Load25.21mV10.30mV9.57mV14.39mVPass
Crossload117.87mV6.86mV8.74mV6.39mVPass
Crossload211.45mV6.99mV4.17mV6.67mVPass
Crossload311.09mV7.91mV12.20mV6.52mVPass
Crossload423.67mV9.32mV6.05mV10.08mVPass

The results above are not used in the certification process

Micronics Wizmax G 1200W

Top side
Power specifications label
All data and graphs included in this test report can be used by any individual on the following conditions:
› It should be mentioned that the test results are provided by Cybenetics
› The link to the original test results document should be provided in any case
Cybenetics offers the ETA and Lambda voluntary certification programs, through which the efficient and silent power supplies are promoted
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