PMC-24V050W1AA

**TECHNICAL DATASHEET** 

**PMC Panel Mount Power Supply** 24V 50W 1 Phase / PMC-24V050W1A□ 

## **PMC** 

## **Highlights & Features** 

- Universal AC input range from 85Vac to 264Vac without power de-rating 

- Full Aluminium casing for lightweight and corrosion resistant handling 

- Conform to harmonic current IEC/EN 61000-3-2, Class A 

- High MTBF > 700,000 hrs. as per Telcordia SR-332 

- Overvoltage / Overcurrent / Over Temperature / Short Circuit Protections 

- Certified according to IEC/EN/UL 62368-1 

- Also available: IP20 and Front Face connectors 

## **Safety Standards** 

CB Certified for worldwide use 

**Model Number:** PMC-24V050W1A☐ **Unit Weight:** 0.26 kg (0.57 lb) **Dimensions (L x W x H):** 128 x 97 x 38 mm (5.04 x 3.82 x 1.50 inch) 

## **General Description** 

Delta’s PMC series of panel mount power supply offers a nominal output voltage of 24V, a wide temperature range from -10°C to +70°C and a highly dependable minimum hold-up time. The state-of-the-art design is made to withstand harsh industrial environments. What makes the product stands out from the crowd is its lightweight full aluminum body design, which can withstand shock and vibration according to IEC 60068-2-6. The PMC series also offers overvoltage and overload protection. Using a wide input voltage range design, it is compatible worldwide. The input also includes DC operating voltage from 125-375Vdc. Best of all, this excellent design and quality does not come with a big price tag. 

## **Model Information** 

PMC Panel Mount Power Supply 

|**ModelNumber**||**Input Voltage Range**|**Input Voltage Range**|**Input Voltage Range**|**OutputVoltage**|**OutputVoltage**||**Output Current**|**Output Current**|
|---|---|---|---|---|---|---|---|---|---|
|PMC-24V050W1A☐||85-264Vac(125-375Vdc)|||24Vdc|||2.10A||
|**Model Numbering**||||||||||
|**PM**|**C –**||**24V**|**050W**||**1**|**A**||□|
|Panel Mount|Product Type||Output Voltage|Output Power||Single Phase|No PFC||Connector Type|
||C – Enclosed||||||||A – Terminal Block|
||||||||||J – IP20 Connector*|
||||||||||L – Front Face*|



## **Model Numbering** 

**==> picture [155 x 69] intentionally omitted <==**

**----- Start of picture text -----**<br>
*Options<br>=)<br>A         J       L<br>**----- End of picture text -----**<br>


All parameters are specified at 25°C ambient and AC input unless otherwise indicated. **www.DeltaPSU.com (November 2020, Rev. 05)** 

1 

**TECHNICAL DATASHEET** 

## **PMC Panel Mount Power Supply** 24V 50W 1 Phase / PMC-24V050W1A□ 

## **Specifications** 

## Input Ratings / Characteristics 

|**Specifications**<br>Input Ratings / Characteristics||
|---|---|
|Nominal Input Voltage|100-240Vac|
|Input Voltage Range|85-264Vac|
|Nominal Input Frequency|50-60Hz|
|Input FrequencyRange|47-63Hz|
|Nominal DC Input Voltage|125-250Vdc|
|DC Input Voltage Range|125-375Vdc|
|Input Current|< 1.10A@115Vac, < 0.50A@230Vac|
|Efficiency at 100% Load|> 86% @ 115Vac & 230Vac|
|Max Inrush Current|< 30A@115Vac, < 60A@230Vac|
|Power Factor|Conform to EN 61000-3-2|
|Leakage Current|< 1mA@240Vac|



## Output Ratings / Characteristics 

|Output Ratings / Characteristics||
|---|---|
|Nominal Output Voltage|24Vdc|
|Output Voltage Tolerance|± 2% (initial set point tolerance from factory)|
|Output Voltage Adjustment Range|22-28Vdc|
|Output Current|2.10A|
|Output Power|50W|
|Line Regulation|< 0.5% typ.(@85-264Vac input, 100% load)|
|Load Regulation|< 1% typ. (@ 85-264Vac input, 0-100% load)|
|PARD(20MHz)|< 150mVpp|
|Rise Time|< 30ms@nominal input(100% load)|
|Start-up Time|< 2500ms@nominal input(100% load)|
|Hold-upTime|> 15ms@115Vac,> 90ms@230Vac(100% load)|
|Dynamic Response(Overshoot & Undershoot O/P Voltage)|± 5%@0-100% load|
|Start-upwith Capacitive Loads|8,000µF Max|



## Mechanical 

|Mechanical|Mechanical||
|---|---|---|
|Case Cover||Aluminium|
|Dimensions (L x W x H)||128 x 97 x 38 mm(5.04 x 3.82 x 1.50 inch)|
|Unit Weight||0.26 kg (0.57 lb)|
|Indicator||Green LED(DC OK)|
|CoolingSystem||Convection|
|Terminal|PMC-24V050W1AA|M3.5 x 5 Pins(Rated 300V/15A)|
||PMC-24V050W1AJ|M3.5 x 5 Pins(Rated 300V/20A)|
||PMC-24V050W1AL|M3.5 x 5 Pins(Rated 300V/20A)|
|Wire||AWG 20-12|
|Noise(1 Meter frompower supply)||Sound Pressure Level(SPL)< 40dBA|



All parameters are specified at 25°C ambient and AC input unless otherwise indicated. **www.DeltaPSU.com (November 2020, Rev. 05)** 

2 

**TECHNICAL DATASHEET** 

## **PMC Panel Mount Power Supply** 24V 50W 1 Phase / PMC-24V050W1A□ 

## Environment 

|Surrounding Air Temperature|Operating|-10°C to +70°C|
|---|---|---|
||Storage|-25°C to +85°C|
|Power De-rating||> 50°C de-rate power by 2.5% / °C|
|OperatingHumidity||5 to 95% RH(Non-Condensing)|
|OperatingAltitude||0 to 3,000 Meters(9,840 ft.)|
|Shock Test|Non-Operating|IEC 60068-2-27, 30G (300m/S²) for a duration of 18ms, 3 times|
|||per direction, 18 times in total|
|Vibration|Non-Operating|IEC 60068-2-6, 10Hz to 150Hz @ 50m/S² (5G peak);|
|||90 min per axis for all X, Y, Z direction|
|Pollution Degree||2|
|Protections|||
|Overvoltage||< 32V ±10%, SELV Output, Hiccup Mode,|
|||Non-Latching (Auto-Recovery)|
|Overload / Overcurrent||> 120% of rated load current, Hiccup Mode,|
|||Non-Latching (Auto-Recovery)|
|Over Temperature||< 75°C Ambient Temp@ 100% load,|
|||Non-Latching (Auto-Recovery)|
|Short Circuit||Hiccup Mode, Non-Latching|
|||(Auto-Recovery when the fault is removed).|
|Degree of Protection||IP20(PMC-24V055W1AJ)|
|Protection Against Shock||Class I with PE* connection|



## Protections 

*PE: Primary Earth 

## Reliability Data 

|Reliability Data||
|---|---|
|MTBF|> 700,000 hrs. asper Telcordia SR-332|
|Expected CapLife Time|10years(115Vac & 230Vac,50% load@40°C)|



All parameters are specified at 25°C ambient and AC input unless otherwise indicated. **www.DeltaPSU.com (November 2020, Rev. 05)** 

3 

**TECHNICAL DATASHEET** 

**PMC Panel Mount Power Supply** 24V 50W 1 Phase / PMC-24V050W1A□ 

## Safety Standards / Directives 

|Safety Standards / Directives|||
|---|---|---|
|Electrical Safety|SIQ Bauart<br>UL/cUL recognized|EN 60950-1, EN 62368-1<br>UL 60950-1 and CSA C22.2 No. 60950-1|
|||(File No. E191395)|
|||UL 62368-1 and CSA C22.2 No. 62368-1|
|||(File No. E191395)|
||CCC|GB4943.1|
||CB scheme|IEC 60950-1, IEC 62368-1|
||KC|KN32, KN35|
|CE||In conformance with EMC Directive 2014/30/EU and|
|||Low Voltage Directive 2014/35/EU|
|Galvanic Isolation|Input to Output|3.0KVac|
||Input to Ground|1.5KVac|
||Output to Ground|0.5KVac|
|EMC|||
|Emissions (CE & RE)||Generic Standards: CISPR 32, EN 55032,|
|||FCC Title 47: Class B, GB9254|
|Immunity||Generic Standards: EN 55024|
|Electrostatic Discharge|IEC 61000-4-2|Level 4 Criteria A1)|
|||Air Discharge: 15kV|
|||Contact Discharge: 8kV|
|Radiated Field|IEC 61000-4-3|Level 3 Criteria A1)|
|||80MHz-1GHz, 10V/M with 1kHz tone / 80% modulation|
|Electrical Fast Transient / Burst|IEC 61000-4-4|Level 3 Criteria A1)|
|||2kV|
|Surge|IEC 61000-4-5|Level 3 Criteria A1)|
|||Common Mode2): 2kV|
|||Differential Mode3): 2kV|
|Conducted|IEC 61000-4-6|Level 3 Criteria A1)|
|||150kHz-80MHz, 10Vrms|
|Power Frequency Magnetic Fields|IEC 61000-4-8|Criteria A1)|
|||10A/Meter|
|Voltage Dips|IEC 61000-4-11|100% dip; 1 cycle (20ms); Self Recoverable|
|Low Energy Pulse Test (Ring Wave)|IEC 61000-4-12|Level 3 Criteria A1)|
|||Common Mode2): 2kV|
|||Differential Mode3): 1kV|



## EMC 

- 1) Criteria A: Normal performance within the specification limits 

- 2) Asymmetrical: Common mode (Line to earth) 

- 3) Symmetrical: Differential mode (Line to line) 

All parameters are specified at 25°C ambient and AC input unless otherwise indicated. **www.DeltaPSU.com (November 2020, Rev. 05)** 

4 

**TECHNICAL DATASHEET** 

## **PMC Panel Mount Power Supply** 24V 50W 1 Phase / PMC-24V050W1A□ 

## **Block Diagram** 

## **Device Description** 

## **PMC-24V050W1AA:** Terminal Block 

**PMC-24V050W1AJ** = **:** IP20 Connector \\SEES ~~SS~~ \\ ~~<<~~ ———_SY ; [woolRIO 8 ecae cessoosla eaNS B mete a[\FEC] (1) **PMC-24V050W1AL:** Front Face | x cs ki= —_—eee= * Sere 

- 1) Input & Output terminal block connector 2) DC voltage adjustment potentiometer 3) DC OK control LED (Green) 

All parameters are specified at 25°C ambient and AC input unless otherwise indicated. **www.DeltaPSU.com (November 2020, Rev. 05)** 

5 

## **TECHNICAL DATASHEET PMC Panel Mount Power Supply** 24V 50W 1 Phase / PMC-24V050W1A□ 

## **Dimensions** 

**L x W x H:** 128 x 97 x 38 mm (5.04 x 3.82 x 1.50 inch) 

## **Engineering Data** 

Output Load De-rating VS Surrounding Air Temperature 

## **Note** 

1. Power supply components may degrade, or be damaged, when the power supply is continuously used outside the shaded region, refer to the graph shown in Fig. 1. 

   - If the output capacity is not reduced when surrounding air temperature >50°C, the device will run into Over Temperature Protection. When activated, the output voltage will go into bouncing mode and will recover when the surrounding air temperature is lowered or the load is reduced as far as necessary to keep the device in working condition. 

2. 

**==> picture [541 x 10] intentionally omitted <==**

**----- Start of picture text -----**<br>
= [(] surrounding air temperature >50°C, the<br>**----- End of picture text -----**<br>


3. In order for the device to function in the manner intended, it is also necessary to keep a safety distance of 20mm with adjacent units while the device is in operation. 

**Fig. 1 De-rating for Vertical and Horizontal Mounting Orientation** > 50°C de-rate power by 2.5% / °C 

4. 

   - Depending on the surrounding air temperature and output load delivered by the power supply, the device can be very hot! 

5. If the device has to be mounted in any other orientation, please do not hesitate to contact **info@deltapsu.com** for more details. 

All parameters are specified at 25°C ambient and AC input unless otherwise indicated. **www.DeltaPSU.com (November 2020, Rev. 05)** 

6 

**TECHNICAL DATASHEET** 

## **PMC Panel Mount Power Supply** 24V 50W 1 Phase / PMC-24V050W1A□ 

## Output De-rating VS AC Input Voltage 

- No output power de-rating across the entire input voltage range 

## **Assembly & Installation** 

- Ⓐ    Mounting holes for power supply assembly onto the mounting surface. 

- The power supply shall be mounted on minimum 2 mounting holes using M3 screw minimum 5mm (0.20 inch) length. 

- Ⓑ    This surface belongs to customer’s end system or panel where the power supply is mounted. 

- Ⓒ    Connector 

**==> picture [457 x 9] intentionally omitted <==**

**----- Start of picture text -----**<br>
Side Mounting (Vertical)  Base Mounting (Vertical)  Side Mounting (Horizontal)<br>**----- End of picture text -----**<br>


**Fig. 2    Recommended Mounting Orientations** 

- Use flexible cable (stranded or solid) of AWG No. 20-12. 

- The torque at the Connector shall not exceed 13Kgf.cm (11.23 lb.in). The insulation stripping length should not exceed 0.275” or 7mm. 

All parameters are specified at 25°C ambient and AC input unless otherwise indicated. **www.DeltaPSU.com (November 2020, Rev. 05)** 

7 

**TECHNICAL DATASHEET** 

**PMC Panel Mount Power Supply** 24V 50W 1 Phase / PMC-24V050W1A□ 

## Installation of Mounting Accessories 

- Only use M3 screw ≤ 6mm (0.24 inch) through the base mounting holes. This is to keep a safety distance between the screw and internal components. 

- Recommended mounting tightening torque: 4~8Kgf.cm (3.47~6.94 lbf.in). 

## Safety Instructions 

- To ensure sufficient convection cooling, always maintain a safety distance of ≥ 20mm (0.79 inch) from all ventilated surfaces while the device is in operation. 

- The device is not recommended to be placed on low thermal conductive surface, for example, plastics. 

- Note that the enclosure of the device can become very hot depending on the ambient temperature and load of the power supply. Do not touch the device while it is in operation or immediately after power is turned OFF. Risk of burning! 

- Do not touch the terminals while power is being supplied. Risk of electric shock. 

- Prevent any foreign metal, particles or conductors from entering the device through the openings during installation. It may cause: Electric shock; Safety Hazard; Fire; Product failure 

- Warning: When connecting the device, secure Earth connection before connecting L and N. When disconnecting the device, remove L and N connections before removing the Earth connection. 

All parameters are specified at 25°C ambient and AC input unless otherwise indicated. **www.DeltaPSU.com (November 2020, Rev. 05)** 

8 

**TECHNICAL DATASHEET** 

## **PMC Panel Mount Power Supply** 24V 50W 1 Phase / PMC-24V050W1A□ 

## **Functions** 

##  **Graph illustrating the Start-up Time, Rise Time, and Hold-up Time** 

## Start-up Time 

The time required for the output voltage to reach 90% of its set value, after the input voltage is applied. 

## Rise Time 

The time required for the output voltage to change from 10% to 90% of its set value. 

## Hold-up Time 

Hold up time is the time when the AC input collapses and output voltage retains regulation for a certain period of time. The time required for the output to reach 95% of its set value, after the input voltage is removed. 

## Inrush Current 

Inrush current is the peak, instantaneous, input current measured and, occurs when the input voltage is first applied. For AC input voltages, the maximum peak value of inrush current will occur during the first half cycle of the applied AC voltage. This peak value decreases exponentially during subsequent cycles of AC voltage. 

## Dynamic Response 

The power supply output voltage will remains within ±5% of its steady state value, when subjected to a dynamic load from 0% to 100% of its rated current. 

All parameters are specified at 25°C ambient and AC input unless otherwise indicated. **www.DeltaPSU.com (November 2020, Rev. 05)** 

9 

**TECHNICAL DATASHEET** 

**PMC Panel Mount Power Supply** 24V 50W 1 Phase / PMC-24V050W1A□ 

## Overload & Overcurrent Protections 

The power supply’s Overload (OLP) and Overcurrent (OCP) Protections will be activated when output current exceeds 120% of IO (Max load). In such occurrence, the VO will start to droop and once the power supply has reached its maximum power limit, the protection is activated and the power supply will go into “Hiccup mode” (Auto-Recovery). The power supply will recover once the fault condition of the OLP and OCP is removed and IO is back within the specifications. 

## Overvoltage Protection 

The power supply’s overvoltage circuit will be activated when its internal feedback circuit fails. The output voltage shall not exceed its specifications defined on Page 3 under “Protections”. 

## Over Temperature Protection 

It is not recommended to prolong the duration of IO when it is <120% but >100%, since it may cause damage to the PSU. 

As mentioned above, the power supply also has Over Temperature Protection (OTP). In the event of a higher operating temperature at 100% load, the power supply will run into OTP when the operating temperature is beyond what is recommended in the de-rating graph. When activated, the output voltage will go into bouncing mode until the temperature drops to its normal operating temperature as recommended in the de-rating graph. 

## Short Circuit Protection 

The power supply’s output OLP/OCP function also provides protection against short circuits. When a short circuit is applied, the output current will operate in “Hiccup mode”, as shown in the illustration in the OLP/OCP section on this page. The power supply will return to normal operation after the short circuit is removed. 

All parameters are specified at 25°C ambient and AC input unless otherwise indicated. **www.DeltaPSU.com (November 2020, Rev. 05)** 

10 

**TECHNICAL DATASHEET** 

## **PMC Panel Mount Power Supply** 24V 50W 1 Phase / PMC-24V050W1A□ 

## Operating Mode 

## **Fig. 3 Redundancy / Parallel Operation Connection Diagram** 

##  **Redundancy Operation** 

In order to ensure proper redundancy operation for the power supply unit (PSU), ensure that the output voltage difference between the two units is kept at 0.45~0.50V for 24V supplies. Follow simple steps given below to verify: 

## **Step 1.** 

Measure output voltage of PSU 1 and PSU 2. If PSU 1 is the master unit, then VO of PSU 1 must be higher than PSU 2. In order to set the output voltage, connect the power supply to 50% load and set the PSU 1 and PSU 2 output voltage. 

## **Step 2.** 

Connect the right DRR module, 20A as per the system requirement to the power supply units PSU 1 and PSU 2 at Vin 1 & Vin 2 respectively. 

## **Step 3.** 

Connect the system load from Vout. Please note that output voltage Vout from DRR module will be = VO (output voltage of power supply) – Vdrop* (in DRR module). 

##  **Parallel Operation** 

These DRR modules can also be used for Parallel function in order to increase the output power by N+1 (e.g. 2.5A + 2.5A = 5A or 2.5A + 2.5A + 2.5A = 7.5A) or current sharing, and thus increasing the power supply and system reliability. Though the PMC-24V050W1A☐ is not designed for current sharing, a good current sharing between two power supplies can be achieved by following simple steps as below (Refer to Fig. 3 for the Connection Diagram). 

## **Step 1.** 

Set output load condition for both supplies at 50% and measure the output voltages. 

**Step 2.** Adjust output voltages to the same level or within ±25mV difference. 

## **Step 3.** 

Connect PSU 1 and PSU 2 with the DRR-20A module and measure at Vin 1 & Vin 2 to verify the voltage difference. Ensure the voltages are within ±25mV. 

## **Step 4.** 

Output voltage from DRR module Vout will be = VO (output voltage of power supply) – Vdrop* (in DRR module). 

*Vdrop will vary from 0.60V to 0.90V (Typical 0.65V) depending on the load current and surrounding air temperature. 

All parameters are specified at 25°C ambient and AC input unless otherwise indicated. 11 **www.DeltaPSU.com (November 2020, Rev. 05)** 

**TECHNICAL DATASHEET** 

## **PMC Panel Mount Power Supply** 24V 50W 1 Phase / PMC-24V050W1A□ 

## **Others** 

## Attention 

Delta provides all information in the datasheets on an “AS IS” basis and does not offer any kind of warranty through the information for using the product. In the event of any discrepancy between the information in the catalog and datasheets, the datasheets shall prevail (please refer to **www.DeltaPSU.com** for the latest datasheets information). Delta shall have no liability of indemnification for any claim or action arising from any error for the provided information in the datasheets. Customer shall take its responsibility for evaluation of using the product before placing an order with Delta. 

Delta reserves the right to make changes to the information described in the datasheets without notice. 

All parameters are specified at 25°C ambient and AC input unless otherwise indicated. **www.DeltaPSU.com (November 2020, Rev. 05)** 

12