Over 15 years experience of providing support of MEAN WELL Power Supplies
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Mean Well GSM220A48-R7B Power Supply 221W 48V
The GSM220A48 is a 220W Mean Well power converter (input range: 80~264VAC, operating temperature: -30~+70℃).
Key Features
- ✓ Input voltage range: 80~264VAC
- ✓ 4KVAC reinforced I/O isolation
- ✓ Cooling by free air convection
- ✓ Wide operating temperature: -30~+70℃
- ✓ Protections: Short circuit / Overload / Over voltage / Over temperature
- ✓ Safety approvals: ISOLATION LEVEL
- ✓ 3 years warranty
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BrandMean Well
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SeriesGSM Series
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Power Rating221 Watt
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Output Voltage48 Volt
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Rated Current4.6 Ampere
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Input Voltage80V~264V
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No of Output1
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Dimming ControlNone
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Standards MetCB,CE,EAC,FCC,TUV,UL
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Operation ModeConstant Voltage
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Operating Temperature-30°C~70°C
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Warranty3 Year
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Length8.27 in
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Width3.35 in
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Height1.81 in
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Weight2.43 lb
::specification::
Frequently Asked Questions
Can I use the GSM220A48-R7B for 48V industrial networking or telecom equipment?
Yes, it is a constant-voltage 48V power supply rated for up to 221W and 4.6A. It fits equipment that is specifically designed for a 48V DC input and stays within that power and current budget.
Is this power supply suitable for a 48V automation controller or I/O system?
It can be suitable for automation hardware that requires a regulated 48V constant-voltage source. The available output is 48V at up to 4.6A, with 221W total power capacity.
Can the GSM220A48-R7B power 48V embedded or rack-mounted electronics?
Yes, if the target equipment is built for 48V DC input and the combined load remains within 221W. Its universal 80-264VAC input also makes it practical where AC mains conditions may vary across installations.
Is this a good fit for 48V bench testing of industrial or embedded devices?
It can be used for bench or lab environments when the device under test needs constant 48V DC. The supply provides up to 4.6A, so it is appropriate only when the test load remains within 221W.
Can the GSM220A48-R7B be used outdoors or in harsh environments?
The listed operating temperature is -30°C to +70°C, so it covers a wide temperature range. However, no IP rating is listed in the provided specs, so the product data supports use in protected environments rather than exposed outdoor locations.
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