MEAN WELL Switching Power Supply, RS-50-3.3 3.3V dc, 10 A, 33 W, Input 88V ac to 370 V dc, 264V ac

RS Stock No.:: 678-3767
Distrelec Article No.:: 303-86-454
Mfr. Part No.:: RS-50-3.3
Manufacturer:: MEAN WELL

MEAN WELL Switching Power Supply, RS-50-3.3 3.3V dc, 10 A, 33 W, Input 88V ac to 370 V dc, 264V ac

Bulk discount available

Subtotal (1 unit)*

SGD21.94

(exc. GST)

SGD23.91

(inc. GST)

FREE delivery for orders over $150, or create a business account to enjoy free delivery from just $28

Temporarily out of stock

10 unit(s) shipping from 20 March 2026
Plus 15 unit(s) shipping from 29 June 2026

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 - 9	SGD21.94
10 - 49	SGD21.47
50 +	SGD20.83

*price indicative

RS Stock No.:: 678-3767
Distrelec Article No.:: 303-86-454
Mfr. Part No.:: RS-50-3.3
Manufacturer:: MEAN WELL

Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	MEAN WELL
	Product Type	Switching Power Supply
	Maximum Output Voltage	3.3V dc
	Number of Outputs	1
	Mount Type	Chassis
	Power	33W
	SMPS Output Current	10 A
	Minimum Operating Temperature	-25°C
	Maximum Operating Temperature	70°C
	Length	99mm
	Width	36 mm
	Standards/Approvals	UL 62368-1, TUV BS EN/EN 62368-1, IS 13252(Part1)/IEC 60950-1, EAC TP TC 00, CSA C22.2 No. 62368-1, CCCGB4943.1, BSMI CNS143361, AS/NZS62368.1
	Depth	36mm
	Weight	410g
	Series	RS50
	Maximum Input Voltage	370, 264V dc
	Efficiency	78%
	Output Current	10A
	Hazardous Area Certification	No
	Minimum Input Voltage	88V ac

	Select all
	Brand MEAN WELL
	Product Type Switching Power Supply
	Maximum Output Voltage 3.3V dc
	Number of Outputs 1
	Mount Type Chassis
	Power 33W
	SMPS Output Current 10 A
	Minimum Operating Temperature -25°C
	Maximum Operating Temperature 70°C
	Length 99mm
	Width 36 mm
	Standards/Approvals UL 62368-1, TUV BS EN/EN 62368-1, IS 13252(Part1)/IEC 60950-1, EAC TP TC 00, CSA C22.2 No. 62368-1, CCCGB4943.1, BSMI CNS143361, AS/NZS62368.1
	Depth 36mm
	Weight 410g
	Series RS50
	Maximum Input Voltage 370, 264V dc
	Efficiency 78%
	Output Current 10A
	Hazardous Area Certification No
	Minimum Input Voltage 88V ac

25W to 150W, Universal Input, Single and Dual Outputs

High efficiency, long life and high reliability

Miniature size, high power density

High operating temperature up to 70°C

105°C long life electrolytic capacitors

Easy installlation - screw terminals

Adjustable output voltage for single output types, 10.8 - 13.2V at 12V and 22 - 27.6V at 24V

Adjustable output voltage for dual output types on output 1, -5% to +10%

Dual outputs have a minimum load requirement, see output current data (within datasheet). The total load must not exceed the rated output power

Harmonic current compliance to EN 61000-3-2

EMC meets EN 55022 Class B

Short circuit, overload and overvoltage protection

Note

De-rating 2% per °C above 50°C on all types except;
RD50,65,125,RS-75-3.3 types de-rating 2% per °C above 45°C.
RD85,RS-100-3.3,RS-150-3.3 and 5 de-rating 2% per °C above 40°C.

Approvals

UL recognised, TUV, CB

Standards

EN60950, UL60950