GCU500PS15-EF

AC/DC Enclosed Power Supply (PSU), ITE & Medical, 1 Outputs, 500 W, 15 VDC, 33.4 A

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Manufacturer: XP POWER
Product type: AC / DC Enclosed Power Supplies
No. of Outputs:1Outputs; Output Power Max:250W; Output Voltage - Output 1:15V; Output Current - Output 1:16.7A; Output Voltage - Output 2:-; Output Current - Output 2:-; Output V
SVHC: No SVHC (15-Jan-2018)
Product Range: GCU500 Series
No. of Outputs: 1Outputs
Output Power Max: 500W
Input Voltage VAC: 80V AC to 264V AC
Input Voltage AC Max: 264V
Input Voltage AC Min: 80V
Power Supply Output Type: Adjustable, Fixed
Output Current - Output 1: 33.4A
Output Current - Output 2: -
Output Current - Output 3: -
Output Current - Output 4: -
Output Voltage - Output 1: 15VDC
Output Voltage - Output 2: -
Output Voltage - Output 3: -
Output Voltage - Output 4: -
Power Supply Applications: ITE & Medical

Delivery and price
Units per pack	10
Price	155.55 €
Current stock	10+
Lead time	30 days

Datasheet

AC-DC POWER SUPPLIES 

## **GCU500** Series 

## 250W **CONVECTION COOLED** 500W **FANCOOLED** 

The GCU500 is packaged in a 3.3” x 6.5” x 1.55” package and achieves EN55011/32 Level B conducted emissions compliance whilst maintaining very low earth leakage currents, making it suitable for a wide range of 1U and other industrial, IT and medical applications. 

The series has single output versions from 12V to 48VDC, dual-fusing for compliance with IEC60601-1 and features minimal waste heat as efficiencies reach 93%. The GCU500 delivers up to 500W of power over an operating range of -40°C to +70°C and offers remote on/off control and power fail signal along with 5V standby and fan supplies. 

## **Features** 

## **Applications** 

- 250W convection and 500W forced-cooled ratings 

- 5V standby output 

- Universal 80 to 264VAC input 

- IT and medical safety approvals 

- -40°C to +70°C operation 

- Power fail, remote On/Off and remote sense 

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Healthcare Industrial  Instrumentation<br>Electronics<br>© @<br>Medical  Security Technology<br>Diagnostic<br>**----- End of picture text -----**<br>


- Class B emissions 

- 3 year warranty 

## **Dimensions** 

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GCU500:<br>**----- End of picture text -----**<br>


## **Models & Ratings** 

3.30 x 6.50 x 1.55” (83.8 x 165.1 x 39.3 mm) GCU500-EF: 3.30 x 8.24 x 1.64” (83.8 x 209.3 x 41.7 mm) 

|Model Number(2)<br>GCU500PS12|Output Voltage V1<br>12.0VDC|Output Current V1<br>Convection-cooled<br>Forced-cooled &<br>End Fan Version(3)<br>20.8A<br>41.7A|Output Current V1<br>Convection-cooled<br>Forced-cooled &<br>End Fan Version(3)<br>20.8A<br>41.7A|V Standby Output<br>5.0VDC/0.2A|V Fan Output(1)<br>12.0VDC/0.5A|Max Output Power<br>500W|
|---|---|---|---|---|---|---|
|GCU500PS15|15.0VDC|16.7A|33.4A|5.0VDC/0.2A|12.0VDC/0.5A|500W|
|GCU500PS18|18.0VDC|12.5A|27.8A|5.0VDC/0.2A|12.0VDC/0.5A|500W|
|GCU500PS24|24.0VDC|10.4A|20.8A|5.0VDC/0.2A|12.0VDC/0.5A|500W|
|GCU500PS36|36.0VDC|6.9A|13.9A|5.0VDC/0.2A|12.0VDC/0.5A|500W|
|GCU500PS48|48.0VDC|5.2A|10.4A|5.0VDC/0.2A|12.0VDC/0.5A|500W|



Notes: 

1. Overall Vfan tolerance 10.8-13.2V 

   3. Forced cooling requires 10CFM. 

2. For end fan version add suffix -EF to model number. 

AC-DC POWER SUPPLIES 

## **GCU500** Series 

## **Summary** Ga» 

|Characteristic<br>Input Voltage - Operating|Minimum<br>80|Typical<br>115/230|Maximum<br>264|Units<br>VAC|Notes & Conditions<br>Derate output power <90VAC. See fig 1, 300VAC for 5s|
|---|---|---|---|---|---|
|No Load Input Power|||1|W|115VAC (when inhibited)|
||||6||230VAC|
|Efficiency||92||%|230VAC Full load|
|Operating Temperature|-40||+70|°C|See derating curve, fig. 9 & 10|
|EMC|EN55032 Level B Conducted & Radiated|||||
|Safety Approvals|IE60950-1, IEC62638-1, EN62368-1, UL62368-1, CSA 22.2 No.6238-1, IEC60601-1, EN60601-1, ANSI/AAMI ES60601-1, CSA22.2<br>No.60601-1, LVD & RoHS, Equipment Protection Class I|||||
|Weight||1.35 (612)||lb (g)||
|||1.65 (748)||||



## **Input** GD 

|Characteristic<br>Input Voltage - Operating|Minimum<br>80|Typical<br>115/230|Maximum<br>264|Units<br>VAC|Notes & Conditions<br>Derate output power <90VAC. See fig 1, 300VAC for 5s|
|---|---|---|---|---|---|
|Input Frequency|47|50/60|63|Hz||
|Power Factor||>0.9|||230VAC, 100% load|
|Input Current - Full Load||5.2/2.7||A|115/230VAC|
|Inrush Current|||60|A|264 VAC cold start 25°C|
|Earth Leakage Current|||270|μA|264VAC/60Hz|
|No Load Input Power|||1|W|115VAC (when inhibited)|
||||6||230VAC|
|Input Protection|F8A/250V internal fuse in both lines|||||



Input Voltage Derating Curve Figure 1 

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100<br>90<br>85<br>80<br>80 85 90 95 100 264<br>Input Voltage (VAC)<br>Output Power (%)<br>**----- End of picture text -----**<br>


2 

AC-DC POWER SUPPLIES 

## **GCU500** Series 

## **Output** 

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Characteristic Minimum Typical Maximum Units Notes & Conditions<br>**----- End of picture text -----**<br>


|Characteristc<br>|Minimum<br>|Typical|Maximum<br>|Units<br>|Notes & Conditons<br>|
|---|---|---|---|---|---|
|Output Voltage - V1|12||48|VDC|See Models & Ratings table|
|Initial Set Accuracy|||±1(V1)& ±3(VStby)|%|50% load, 115/230VAC|
|Output Voltage Adjustment - V1|±2|||%|Via potentiometer. See mechanical details, Vfan will track|
|Minimum Load|0|||A|No minimum load required|
|Start Up Delay||1|2|s|115/230VAC, full load|
|Hold Up Time|10|||ms|115/230VAC, full load|
|Drift|||±0.2|%|After 20 min warm up|
|Line Regulation|||±0.5|%|90-264VAC|
|Load Regulation|||±0.5|%|0-100% load|
|Transient Response|||4|%|Recovery within 1% in less than 500μs for a 50-75% and 75-50%<br>load step|
|Over/Undershoot|||5|%|Turn On/Turn Off|
|Ripple & Noise - V1 & V Standby|||1|% pk-pk|20MHz bandwidth|
|Overvoltage Protection - V1|110||140|%|Vnom DC. Output 1, recycle input to reset|
|Overload Protection|110||150|% I nom|V1 - Trip and Restart/Hiccup mode|
||0.8||1.2|A|VStandby - Trip and Restart/Hiccup mode|
||||||VFan - Resetting. Fuse rated at 1.3A at 25°C|
|Short Circuit Protection|||||Continuous, no damage|
|Temperature Coeffcient|||0.02|%/°C||
|Overtemperature Protection||||°C|Measured internally, auto resetting|
|Remote Sense|Compensates for 0.25V per lead, 0.5V total|||||



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General<br>Characteristic Minimum Typical Maximum Units Notes & Conditions<br>**----- End of picture text -----**<br>


|Characteristc<br>|Characteristc<br>|Minimum|Typical|Maximum|Units|Notes & Conditons|
|---|---|---|---|---|---|---|
|Effciency|||92||%|230VAC Full load|
|Isolation:  Input to Output<br>Input to Ground<br>Output to Ground||4000|||VAC|2 x MOPP|
|||1500|||VAC|1 x MOPP|
|||1500|||VAC|1 x MOPP|
|Switching Frequency||50||500|kHz|PFC converter|
|||65||150||Main converter|
|Power Density||||15|W/in3||
|Mean Time Between Failure|||370||khrs|MIL-HDBK-217F, Notice 2 +25°C GB|
|Weight|Open Frame||1.35 (612)||lb (g)|U Channel|
||End Fan Unit||1.65 (748)|||End Fan|



Specifications subject to change without notice. 

3 

AC-DC POWER SUPPLIES 

## **GCU500** Series 

## **Efficiency Graphs** Ga.» 

Efficiency vs Load 

## Figure 2 GCU500PS12 

## Figure 3 GCU500PS24 

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100%  100%<br>95%  95%<br>PO ee<br>90%  90%<br>Pd po<br>85%  A 115VAC  85%  Pm 115VAC<br>i : 230VAC  : 230VAC<br>80%  80%<br>75%  75%<br>po po<br>70%  70%<br>0%  po 10%  20%  30%  40%  50%  60%  70%  80%  90%  100%  0%  pO 10%  20%  30%  40%  50%  60%  70%  80%  90%  100%<br>Load (%)  Load (%)<br>Efficiency (%)<br>**----- End of picture text -----**<br>


## Figure 4 GCU500PS48 

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100% 95% 90%  pOa<br>115VAC<br>85%<br>80% 75% 70%  ApOpo 230VAC<br>0%  10%  20%  30%  40%  50%  60%  70%  80%  90%  100%<br>Load (%)<br>**----- End of picture text -----**<br>


4 

AC-DC POWER SUPPLIES 

## **GCU500** Series 

## **Signals & Controls** 

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Signals Notes & Conditions<br>**----- End of picture text -----**<br>


|Signals<br>|Signals<br>|Notes & Conditons<br>|
|---|---|---|
|Power Fail||TTL Compatible, pin 6. Provides ≥5ms warning of loss of output and/or AC failure|
|Standby Supply||5VDC/0.2A referenced to -Vout supply present when AC applied|
|Remote On/Off (-R models)|Inhibit|The inhibit lo, should be pulled below 0.4V to switch V1 and Vfan off. Open circuit or >4V to switch on<br>(see fg. 7)|
||Enable|With the inhibit lo (pin 4) pulled low as detailed above, connecting inhibit HI to inhibit LO will enable<br>V1 & V fan output. (see fg. 8)|
|Remote Sense||Compensates for 0.25V per lead, 0.5V total|



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Power Fail Remote On/Off (Inhibit)<br>Figure 6 Figure 7<br>POWER SUPPLY<br>POWER SUPPLY<br>5V Standby<br>(4)<br>Max 12V 20mA (6) Inhibit LO<br>Power Fail<br>Transistor On (<0.8V): AC NOT OK and/or DC NOT OK<br>Transistor Off (>4.5V): AC OK and DC OK<br>(9,10) 0V (9,10)<br>0V<br>5V Standby Return<br>Signal Connector J4<br>Signal Connector J4<br>**----- End of picture text -----**<br>


Remote On/Off (Enable) Figure 8 

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(5) POWER SUPPLY<br>Inhibit HI<br>Inhibit LO<br>(4)<br>0V (9,10)<br>Signal Connector J4<br>**----- End of picture text -----**<br>


Specifications subject to change without notice. 

5 

AC-DC POWER SUPPLIES 

## **GCU500** Series 

## **Environmental** 

|Characteristic<br>Operating Temperature|Minimum<br>-40|Typical|Maximum<br>+70|Units<br>°C|Notes & Conditions<br>See derating curves, fig. 9 & 10|
|---|---|---|---|---|---|
|Storage Temperature|-40||+85|°C||
|Cooling|10|||CFM|Forced-cooled >180W|
|Humidity|5||95|%RH|Non-condensing|
|Operating Altitude|||4000/5000|m|Medical/ITE|
|Transport Altitude|||10000|m||
|Shock|3 x 30g shocks in each plane, total 18 shocks. 30g = 11ms (±0.5msec), half sine. Conforms to EN60068-2-27 & EN60068-2-47|||||
|Vibration|Single axis 10-500 Hz at 2g sweep and endurance at resonance in all 3 planes. Conforms to EN60068-2-6|||||



Temperature Derating Curve 

## Figure 9 Convection-cooled 

## Figure 10 

## Forced-cooled 10 CFM & -EF versions 

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250 500<br>225<br>i<br>5<br>250<br>112.5<br>i<br>!1<br>0 0<br>-40 -20 0 20 40 50 60 70 80 -40 -20 0 +50 +70<br>Ambient Temperature (ºC) Ambient Temperature (ºC)<br>met met<br>Output Load (W) Output Load (W)<br>para para<br>**----- End of picture text -----**<br>


## **EMC: Emissions** 

|Phenomenon<br>Conducted|Standard<br>EN55011/32|Test Level<br>Class B|Notes & Conditions|
|---|---|---|---|
|Radiated|EN55011/32|Class A|Class B with 2T on Fair-Rite 2643800502 on output cable|
|Harmonic Currents|EN61000-3-2|Class A||
|Voltage Flicker|EN61000-3-3|||



6 

AC-DC POWER SUPPLIES 

## **GCU500** Series 

## **EMC: Immunity** 

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Phenomenon Standard Test Level Criteria Notes & Conditions<br>**----- End of picture text -----**<br>


|Phenomenon|Standard|Test Level|Criteria|Notes & Conditons|
|---|---|---|---|---|
|Low Voltage PSU EMC|EN61204-3|High severity level|as below||
|Harmonic Current|EN61000-3-2|Class A|A|All models|
|||Class C||>270W|
|Radiated|EN61000-4-3|3|A||
|EFT|EN61000-4-4|3|A||
|Surges|EN61000-4-5|Installation class 3|A||
|Conducted|EN61000-4-6|3|A||
|Dips and Interruptions|EN61000-4-11<br>(100 VAC)|Dip 100% (0VAC), 8.4ms|A||
|||Dip 100% (0VAC), 16.7ms|B||
|||Dip 60% (40VAC), 200ms|B||
|||Dip 30% (70VAC), 500ms|B||
|||Dip 20% (80VAC), 5000ms|B||
|||Int 100% (0VAC), 5000ms|B||
||EN61000-4-11<br>(240 VAC)|Dip 100% (0VAC), 10ms|A||
|||Dip 100% (0VAC), 20ms|B||
|||Dip 60% (96VAC), 200ms|B||
|||Dip 30% (168VAC), 500ms|B||
|||Dip 20% (192VAC), 5000ms|B||
|||Int 100% (0VAC), 5000ms|B||
||EN60601-1-2<br>(100 VAC)|Dip 100% (0VAC), 10ms|A||
|||Dip 60% (40VAC), 100ms|A|<180W|
|||Dip 30% (70VAC), 500ms|A||
|||Int 100% (0VAC), 5000ms|B||
||EN60601-1-2<br>(240 VAC)|Dip 100% (0VAC), 10ms|A||
|||Dip 60% (96VAC), 100ms|A||
|||Dip 30% (168VAC), 500ms|A||
|||Int 100% (0VAC), 5000ms|B||
||SEMI F47<br>(100VAC)|Dip 33% (70VAC), 500ms|A||



## **Safety Approvals** 

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Certification Standard Notes & Conditions<br>IEC62368-1 Ed 2 Information Technology<br>CB IEC60950-1 Information Technology<br>IEC60601-1 Ed 3 Including Risk Management Medical<br>UL62368-1, CSA 22.2, No.62368-1 Information Technology<br>UL<br>ANSI/AAMI ES60601-1:2005 & CSA C22.2, No.60601-1:08 Medical<br>EN62368-1 Information Technology<br>TUV<br>EN60601-1/2006 Medical<br>Equipment Protection Class Class I<br>CE Meets all applicable directives<br>UKCA Meets all applicable legislation<br>Isolation   Means of Protection Category<br>Primary to Secondary 2 x MOPP (Means of Patient Protection)<br>Primary to Earth 1 x MOPP (Means of Patient Protection) IEC60601-1 Ed 3<br>Secondary to Earth N/A<br>**----- End of picture text -----**<br>


Specifications subject to change without notice26 Jan 2022 . 

7 

AC-DC POWER SUPPLIES 

## **GCU500** Series 

## **Mechanical Details** 

GCU500PS12-PS18 U-Channel 

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**----- Start of picture text -----**<br>
4 x M3 Moun�ng Holes, 2.5 (0.1) max screw penetra�on<br>Torque: 0.7Nm (6lbs/in) max<br>12.7<br>(0.5)<br>58.4<br>(2.3)<br>16.5<br>(0.65) 134.6 (5.3)<br>2 x M3 Moun�ng Holes (2 each side), 2.5 (0.1) max screw penetra�on<br>Torque: 0.7Nm (6lbs/in) max<br>19.1<br>(0.75)<br>6.4 152.4 (6.0)<br>(0.25)<br>165.1 (6.5)<br>5.7 4.4<br>(0.22) (0.17)<br>0.25 Faston Ground Tab<br>13.7<br>VOUTADJ 31 21 24 J3J4 (0.54)<br>20.9<br>Airflow + (0.82) 83.8 +<br>15.2 (3.30) M4 Screw<br>J1 21 - (0.60) - (13lbs/in) maxTorque: 1.5Nm<br>26.7 27.3<br>(1.05) (1.07)<br>14.2<br>7.0 (0.27) (0.56)<br>39.4 (1.55)<br>Input Connector J1 Output Connector   Fan Connector J3 Signal Connector J4<br>Molex pn. 09-65-2038 Screw Terminal   Molex pn. 22-04-1021 JST PN S10B-PHDSS<br>Bus Bar M4 Screw<br>Pin Function Pin Function Pin Single Pin Single<br>1 Line Bar Single Output 1 Fan + (12V) 1 +Sense 7 +V Standby<br>2 Neutral + +V1 2 Fan - 2 -Sense 8 +V Standby<br>- RTN 3 N/C 9 -V Standby<br>4 Inhibit LO 10 -V Standby<br>5 Inhibit HI<br>6 P OK<br>**----- End of picture text -----**<br>


## **Notes:** 

1. All dimensions in mm (inches). 

2. Tolerance .xx = 0.50 (0.02); .xxx = 0.25  (0.01) 

3. J1 mates with MOLEX housing PN 09-50-1031 and with MOLEX series 5194 

crimp terminals. J4 mates with JST housing pn PHDR-10VS and with JST SPHD-001T-P0.5 crimp terminals. J3 mates with MOLEX housing pn 22-01-1024 and with MOLEX series 5103 crimp terminals. 

8 

**AC-DC POWER SUPPLIES** 

## **GCU500** Series 

## **Mechanical DetailsGeneral** 

GCU500PS24-PS48 U-Channel 

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4 x M3 Moun�ng Holes, 2.5 (0.1) max screw penetra�on<br>Torque: 0.7Nm (6lbs/in) max<br>12.7<br>(0.5)<br>58.42<br>(2.3)<br>16.5<br>(0.65) 134.6 (5.3)<br>2 x M3 Moun�ng Holes (2 each side), 2.5 (0.1) max screw penetra�on<br>Torque: 0.7Nm (6lbs/in) max<br>19.1<br>(0.75)<br>6.4 152.4 (6.0)<br>(0.25)<br>165.1 (6.5)<br>5.7 4.4<br>(0.22) (0.17)<br>0.25 Faston Ground Tab<br>13.7<br>VOUTADJ 31 21 24 J3J4 (0.54)<br>20.9<br>(0.82)<br>Airflow + 83.8 +<br>15.2 (3.3)<br>J1 21 - (0.60) - M4 ScrewTorque: 1.5Nm<br>(13lbs/in) max<br>26.7 27.3<br>(1.05) (1.07)<br>14.2<br>7.0 (0.27) (0.56)<br>39.4 (1.55)<br>Input Connector J1 Output Connector   Fan Connector J3 Signal Connector J4<br>Molex pn. 09-65-2038 Screw Terminal   Molex pn. 22-04-1021 JST PN S10B-PHDSS<br>Bus Bar M4 Screw<br>Pin Function Pin Function Pin Single Pin Single<br>1 Line Bar Single Output 1 Fan + (12V) 1 +Sense 7 +V Standby<br>2 Neutral + +V1 2 Fan - 2 -Sense 8 +V Standby<br>- RTN 3 N/C 9 -V Standby<br>4 Inhibit LO 10 -V Standby<br>5 Inhibit HI<br>6 P OK<br>**----- End of picture text -----**<br>


## **Notes:** 

1. All dimensions in inches (mm). 

2. Tolerance .xx =  0.02 (0.50); .xxx =  0.01 (0.25) 

JST SPHD-001T-P0.5 crimp terminals. J3 mates with MOLEX housing pn 22-01-1024 and with MOLEX series 5103 crimp terminals. 

3. J1 mates with MOLEX housing PN 09-50-1031 and with MOLEX series 5194 crimp terminals. J4 mates with JST housing pn PHDR-10VS and with 

Specifications subject to change without notice26 Jan 2022 . 

9 

AC-DC POWER SUPPLIES 

## **GCU500** Series 

## **Mechanical Details** 

End Fan (-EF suffix) 

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17.3 192.1 (7.56)<br>41.8 (0.68) 4.4 (0.17) 13.7 (0.54) 14.2<br>(1.64) (0.56)<br>5.7 (0.22) 20.9 (0.82)<br>VOUT<br>ADJ 31 12 2J34J4 83.8<br>VSY 71.1(2.8) ion Airflow es + (3.30) ie©<br>- 15.2 (0.60)<br>Input Terminal Block,<br>3 x M3 Screw<br>Torque: 0.7Nm | 86 bh; 27.3 (1.07) HP}<br>(6lbs/in) max —- eee | es P eral<br>Output Terminal<br>Expanded View 152.4 (6.0) 6.3 (0.25) 2 x M4 Screw<br>Torque: 1.5Nm<br>s— N L )\) fe a4 (13lbs/in) max<br>19.1 (0.75)<br>SSS vm ;<br>ml 4.62 (0.18) ——sI At<br>7.62 m i e 6.42 2 x M3 x 0.5 THD (2 each side), 2.5 (0.1) max screw penetration|<br>(0.3) (0.25) Torque: 0.7Nm (6lbs/in) max<br>134.62 (5.3) 14.0 (0.55) !<br>1 ee = 12.7 (0.5)<br>58.42<br>a | | ol (2.3)<br>| [|]<br>a | | |<br>(iC eh B<br>of -e<br>2 x M3 x 0.5 THD, 2.5 (0.1) max screw penetration<br>Torque: 0.7Nm (6lbs/in) max<br>**----- End of picture text -----**<br>


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Input Terminal Block  Output Connector<br>Dinkle P/N  Screw Terminal<br>DT-2C-A02W-03 Bus Bar M4 Screw<br>Pin Function Bar Single Output<br>1 Line + +V1<br>2 Neutral - RTN<br>Ground<br>**----- End of picture text -----**<br>


|Signal Connector J4<br>JST PN S10B-PHDSS|Signal Connector J4<br>JST PN S10B-PHDSS|Signal Connector J4<br>JST PN S10B-PHDSS|Signal Connector J4<br>JST PN S10B-PHDSS|
|---|---|---|---|
|Pin|Single|Pin|Single|
|1|+Sense|7|+V Standby|
|2|-Sense|8|+V Standby|
|3|N/C|9|-V Standby|
|4|Inhibit LO|10|-V Standby|
|5|Inhibit HI|||
|6|P OK|||



## **Notes:** 

1. All dimensions in inches (mm). 

2. Tolerance .xx =  0.02 (0.50); .xxx =  0.01 (0.25) 

3. J4 mates with JST housing pn PHDR-10VS and with JST SPHD-001T-P0.5 crimp terminals. 

10 

AC-DC POWER SUPPLIES 

## **GCU500** Series 

## **Thermal Considerations** Co 

In order to ensure safe operation of the PSU in the end-use equipment, the temperature of the components listed in the table below must not be exceeded. Temperature should be monitored using K type thermocouples placed on the hottest part of the component (out of direct air flow). See below for component locations. 

||Temperature Measurements (at Maximum Ambient)|
|---|---|
|Component|Max. Temperature °C|
|T1 Coil|120°C|
|L3 Coil|120°C|
|Heatsink|110°C|
|C11|105°C|
|C47|105°C|



## **Service Life** CD 

The estimated service life of the GCU500 is determined by the cooling arrangements and load conditions experienced in the end application. Due to the uncertain nature of the end application this estimated service life is based on the actual measured temperature of a key capacitor within the product when installed by the end application. 

The graph below expresses the estimated lifetime of a given component temperature and assumes continuous operation at this temperature. 

## Estimated Service Life vs Component Temperature 

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70000<br>60000<br>50000<br>C11: GCU500PS12-48<br>C47: GCU500PS12-18<br>40000<br>C47: GCU500PS24-48<br>30000<br>20000<br>10000<br>0<br>105 95 85 75 65 55<br>C11 & C47 Temperature (ºC)<br>GCU500PS12-18 GCU500PS24-48<br>L4 L4<br>VOUT VOUT<br>ese olTIO ADJ On jess ADJ<br>1S L3 Heatsink L3 hi Heatsink  yO GOn<br>T1<br>ia ®ooseg00_ @ aiecod Se (mnt5 EPO T1  onl<br>BOO || Eee [OOH Sat<br>C11 C11<br>C47 C47<br>**----- End of picture text -----**<br>


GCU500PS12-18 

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C47<br>**----- End of picture text -----**<br>


11 

01 Oct 2025

Updated at June 10, 2026

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