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Mean Well RD-85B Power Supply 85W 5V 24V
The RD is a 125W Mean Well DIN rail power converter with a 99mm profile (input range: 176~264VAC, operating temperature: -25~+70°C).
Key Features
- ✓ 99mm width — DIN rail TS-35 compatible
- ✓ Input voltage range: 176~264VAC
- ✓ DC output voltage adjustable ±10%
- ✓ Cooling by free air convection
- ✓ Wide operating temperature: -25~+70°C
- ✓ Protections: Short circuit / Overload / Over voltage
- ✓ Safety approvals: UL62368- TUV EN62368-1, EAC TP TC 004
- ✓ 3 years warranty
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BrandMean Well
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SeriesRD Series
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Power Rating88 Watt
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Output Voltage5 Volt
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Rated Current8 Ampere
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Input Voltage88V~264V
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No of Output2
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Standards MetCB,CE,EAC,RCM,TUV,UL
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Operation ModeConstant Voltage
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Operating Temperature-25°C~70°C
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Warranty3 Year
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Length6.26 in
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Width3.82 in
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Height1.5 in
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Weight1.32 lb
::specification::
Frequently Asked Questions
Can I use the RD-85B in a control panel that needs both 5V logic power and 24V auxiliary power?
This model is built as a dual output power supply, with 5V listed in the core specs and 24V called out in the product name. Its 88W rating and 8A output current on the 5V rail make it more suitable for mixed low-voltage control and auxiliary applications than a single-output unit.
Is the RD-85B a fit for embedded or industrial electronics that run on 5V?
It can fit 5V embedded or industrial electronics that need a constant voltage supply rather than a variable output design. The unit provides 5V at up to 8A with 88W total power, which suits higher-current low-voltage loads better than smaller dual-output models in the same series.
Can the RD-85B be used in automation equipment with wide AC input conditions?
It is designed for a wide 88-264VAC input range, which is useful in automation equipment that may be deployed across different AC supply conditions. That makes it easier to use in equipment platforms that need the same power supply across multiple regions or facility standards.
Is the RD-85B suitable for vibration-prone equipment cabinets or machine enclosures?
The listed features include 5G vibration resistance, so it is better aligned with machinery or equipment cabinets that see mechanical movement than a basic bench-only supply. Its miniature size of 159.0 × 97.0 × 38.0 mm also helps where panel space is limited.
What is the difference between the RD-85B and the other RD series dual-output models?
Within the sibling list, the closest 5V models are RD-35B at 35W and 2.2A, RD-50B at 53.6W and 4A, RD-65B at 68W and 4A, RD-85A at 88W and 8A, RD-125A at 130.9W and 7.7A, and RD-125B at 133.4W and 4.6A. The higher-voltage siblings listed are RD-125-1224 at 125W and 3.7A, RD-125-1248 at 125W and 2.3A, RD-125-2448 at 125W and 2A, and RD-3513 at 35.1W and 1.3A, while several other RD-125 variants are named but not fully specified in the provided data.
Can the RD-85B be used outdoors or in harsh temperature conditions?
The operating temperature range is -25°C to +70°C, so it is specified for a broad temperature span. No IP rating is provided in the supplied specs, so the product data does not describe it as an outdoor-exposed power supply.
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