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Mean Well SD-500H-48 DC-DC Converter - 500W - 72~144V in 48V out 10.5A
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Mean Well SD-500H-48 DC-DC Converter - 500W - 72~144V in 48V out 10.5A
Overview
SD-500H-48 is the 48V output model of this series: rated current 10.5A, rated power 504W, typical efficiency 90%.
Features
- DC input active surge current limiting
- Wide 4:1~2:1 DC input range (24V: 19~72VDC, 96V:72~144VDC)
- Protections: Short circuit / Overload / Over voltage / Over temperature / Input polarity(by fuse)
- 2000VAC I/O Isolation
- Forced air cooling by built-in DC fan with fan speed control function
- Output OK Signal
- Built-in remote ON-OFF control
- Built-in remote sense function
- 3 years warranty
Specifications
OUTPUT
- DC VOLTAGE
- 48V
- RATED CURRENT
- 10.5A
- CURRENT RANGE
- 0 ~ 10.5A
- RATED POWER
- 504W
- RIPPLE & NOISE (max.)Note.2
- 150mVp-p
- VOLTAGE ADJ. RANGE
- 46 ~ 60V
- VOLTAGE TOLERANCENote.3
- ±1.0%
- LINE REGULATION
- ±0.5%
- LOAD REGULATION
- ±0.5%
- SETUP, RISE TIME
- 500ms, 50ms at full load
INPUT
- VOLTAGE RANGENote.5
- 72 ~ 144VDC
- EFFICIENCY (Typ.)
- 90%
- DC CURRENT (Typ.)
- 8A/72VDC 6A/96VDC
- CURRENT (AT NO LOAD)
- Max. 0.1A/96VDC
- INRUSH CURRENT (Typ.)
- 60A/96VDC
PROTECTION
- OVERLOAD
- 105 ~ 125% rated output power Protection type : Constant current limiting, shut down o/p voltage after about 5 sec., re-power on to recover
- OVER VOLTAGE
- 62 ~ 68V Protection type : Shut down o/p voltage, re-power on to recover
- OVER TEMPERATURE
- Shut down o/p voltage, recovers automatically after temperature goes down
FUNCTION
- REMOTE ON/OFF CONTROL
- Please refer to function manual
- OUTPUT OK SIGNAL
- Open collector signal low when PSU turns on, max. sink current :10mA
ENVIRONMENT
- WORKING TEMP.
- -20 ~ +60℃ (Refer to "Derating Curve")
- WORKING HUMIDITY
- 20 ~ 90% RH non-condensing
- STORAGE TEMP., HUMIDITY
- -40 ~ +85℃, 10 ~ 95% RH
- TEMP. COEFFICIENT
- ±0.02%/℃ (0 ~ 50℃)
- VIBRATION
- 10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes
SAFETY & EMC (Note 4)
- SAFETY STANDARDS
- IEC62368-1,TUV BS EN/EN62368-1, EAC TP TC 004 approved, design refer to AS/NZS 62368.1
- WITHSTAND VOLTAGE
- I/P-O/P:2KVAC I/P-FG:2KVAC O/P-FG:0.5KVAC
- ISOLATION RESISTANCE
- I/P-O/P, I/P-FG, O/P-FG:100M Ohms / 500VDC / 25℃/ 70% RH
- EMC EMISSION
- Compliance to BS EN/EN55032 (CISPR32) Class B, EAC TP TC 020
- EMC IMMUNITY
- Compliance to BS EN/EN61000-4-2,3,4,6,8, BS EN/EN55035, light industry level, EAC TP TC 020
OTHERS
- MTBF
- 1333.7K hrs min. Telcordia SR-332 (Bellcore) ; 196.3K hrs min. MIL-HDBK-217F (25℃)
- DIMENSION
- 215*115*50mm (L*W*H)
- PACKING
- 1.15Kg; 12pcs/14.8Kg/0.9CUFT
Test conditions and notes6
- 1. All parameters NOT specially mentioned are measured at 48, 96VDC input, rated load and 25℃ of ambient temperature.
- 2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1μF & 47μF parallel capacitor.
- 3. Tolerance : includes set up tolerance, line regulation and load regulation.
- 4. The power supply is considered a component which will be installed into a final equipment. All the EMC tests are been executed by mounting the unit on a 360mm*360mm metal plate with 1mm of thickness. The final equipment must be re-confirmed that it still meets EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies.” (as available on https://www.meanwell.com//Upload/PDF/EMI_statement_en.pdf )
- 5. Derating may be needed under low input voltages. Please check the derating curve for more details.
- 7. The ambient temperature derating of 3.5℃/1000m with fanless models and of 5℃/1000m with fan models for operating altitude higher than 2000m(6500ft).
Technical drawings
Downloads
FAQ
Can I use the SD-500H-48 to power 48V industrial or automation equipment from a 72-144V DC source?
Yes, it is a constant-voltage DC-DC converter with a 48V output rated at 10.5A and 504W. It fits 48V equipment that stays within the 10.5A maximum output current.
Is the SD-500H-48 suitable for higher-power 48V communications or control loads?
It can be used where the load requires 48V DC and the total demand remains at or below 504W. This model provides 10.5A at 48V, with the output adjustable from 46 to 60V, for larger constant-voltage loads.
Can this converter be used in 48V systems that need remote control and sensing features?
Yes, the listed features include built-in remote ON/OFF control and remote sense, plus an Output OK signal. Those are useful additions when integrating a 48V, 504W supply into a controlled industrial or embedded power system.
Is the SD-500H-48 designed for indoor or outdoor environments?
The specs state an operating temperature range of -20°C to +60°C, which helps define thermal suitability. No IP rating is listed, so the provided data does not establish exposed outdoor or wet-location use.
How does the SD-500H-48 compare with the other SD-500H variants?
Within the SD-500H family, the SD-500H-12 is 480W at 12V and 40A, the SD-500H-24 is 504W at 24V and 21A, and the SD-500H-48 is 504W at 48V and 10.5A. The main difference is the output voltage and current combination offered by each model.
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Other SD-500H Models
2 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well SD-500H-12 DC-DC Converter - 480W - 72~144V in 12V out 40A | 480W | 12V | 40A | IP20 | $152.13 | View |
| Mean Well SD-500H-24 DC-DC Converter - 500W - 72~144V in 24V out 21A | 504W | 24V | 21A | IP20 | $154.57 | View |
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