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Mean Well RSD-150B-12 DC-DC Converter - 150W - 16.8~31.2V in 12V out
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Description
Description
Features
| Compliance to EN50155 railway standard |
| 2: 1 wide input range |
| 4000VDC I / O isolation |
| Protections: Short circuit / Overload / Over voltage / Input reverse polarity / Over temp. |
| Cooling by free air convection |
| Built-in constant current limiting circuit |
| 1U low profile |
| All using 105 ° C long life electrolytic |
| Half encapsulated |
| 100% full load burn-in test |
| 3 years warranty |
General Specification
| Line regulation (max.) | ± 0.5% |
| ALoad regulation (max.) | ± 1% |
| Overload protection Range | 105% ~ 135% |
| Overload protection Type | Constant current limiting, recovers automatically after fault condition is removed |
| Over voltage protection | 115% to 135% Shutdown O / P voltage, re-power on to recover |
| Withstand voltage | I / PO / P: 4kVDC, I / P-FG: 2.5kVDC, O / P-FG: 2.5kVDC, 1 minute |
| Isolation resistance | 100MQ(min.)@500VDC |
| Working temperature | -40 ~ + 70°C (refer to output derating curve) |
| Safety standards | Meet IEC60950-1 (LVD) |
| EMC standards | EN55022 class B, EN50121-3-2, EN61000-4-2,3,4,5,6,8 |
| Railway standard | EN50155 / IEC60571 |
| Dimension (LxWxH) (mm) | 189x77x36 |
| Packing | 15pcs / 13kg |
Specifications
Specifications
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BrandMean Well
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SeriesRSD Series
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Power Rating150 Watt
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Output Voltage12 Volt
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Rated Current12.5 Ampere
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Input Voltage16.8V~31.2V
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Standards MetCB,CE,EAC,EMC,RCM
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Operation ModeConstant Voltage
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Operating Temperature-40°C~85°C
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Warranty3 Year
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Length18.9 cm
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Width7.7 cm
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Height3.6 cm
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Weight0.8 kg
File Downloads
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Frequently Asked Questions
Can I use the RSD-150B-12 for a 12V PLC, relay, or industrial control panel load?
Yes, if the load needs constant 12V output and stays within 12.5A. With a 150W rating, it fits medium-power 12V control hardware better than smaller 100.8W models.
Is the RSD-150B-12 suitable for 12V embedded systems in automation or mobile equipment?
It can support 12V embedded electronics that need regulated constant-voltage power up to 12.5A. The features also list 5G vibration resistance, which is relevant for equipment mounted in moving or vibration-prone environments.
Can this converter power a 12V monitoring, communications, or security subsystem from a 16.8~31.2V source?
Yes, that is the kind of DC conversion role this model is built for, provided the connected 12V subsystem stays within 12.5A and 150W. The listed input range is 16.8~31.2V in the product name, matching lower-voltage DC systems that need a regulated 12V output.
Is the RSD-150B-12 intended for outdoor use?
The operating temperature range is -40°C to +85°C, so the temperature spec is broad. However, no IP rating is listed in the provided data, so the specs do not confirm outdoor, wet-location, or dust-tight suitability.
How does the RSD-150B-12 compare with the other RSD-150B output options?
In the RSD-150B group, the 5V version is 150W at 30A, the 12V version is 150W at 12.5A, and the 24V version is 151.2W at 6.3A. The RSD-150C and RSD-150D listings show the same output-voltage/current patterns for 5V, 12V, and 24V, with the 12V entries listed at 150W and 12.5A.
