Can I use the RS-50-12 for a 12V HMI, control panel accessory, or small automation device?

Yes, if the equipment needs a constant 12V supply and draws no more than 4.2A or 50.4W. That makes it appropriate for many compact industrial and automation loads built around a 12V DC input.

Is the RS-50-12 suitable for 12V industrial sensors, relays, or alarm electronics?

It is suitable for 12V constant-voltage devices as long as the total load remains within 4.2A and 50.4W. It fits low-power control and monitoring hardware that is specified for 12V DC operation.

Can this power supply run a 12V embedded or communications device in a machine cabinet?

It can, provided the device requires 12V constant voltage and stays under 4.2A with 50.4W total demand. The wide 88-264VAC input also makes it practical for equipment deployed across different AC mains environments.

How does the RS-50-12 compare with other 12V RS series models?

The listed 12V RS models are RS-15-12 at 15.6W and 1.3A, RS-25-12 at 25.2W and 2.1A, RS-35-12 at 35W and 3A, RS-50-12 at 50.4W and 4.2A, RS-75-12 at 72W and 6A, RS-100-12 at 102W and 8.5A, and RS-150-12 at 150W and 12.5A. The RS-50-12 is the mid-range 12V option between the 35W and 72W models.

Can the RS-50-12 be used in hot, cold, or vibration-prone indoor industrial settings?

The unit is rated for -25°C to +70°C operation and is specified to withstand 5G vibration. No IP rating is provided, so the specs support use in protected indoor equipment environments rather than open outdoor exposure.

1 6

Image shown is a representation only. Exact specifications should be obtained from the product datasheet.

Mean Well

Mean Well RS-50-12 Power Supply 50W 12V 4.2A

4.8 (14 reviews)

miniature sizeeconomicalwithstand 5G vibration and 70°C operation

SKU RS-50-12

Log in to see price Trade pricing & online ordering for account holders

Select model — 7 in this family

RS-50-12

RS-15-12 15W 12V Backorder

RS-100-12 100W 12V Backorder

RS-150-12 150W 12V Backorder

RS-25-12 25W 12V Low stock

RS-35-12 35W 12V Backorder

RS-50-12 50W 12V Backorder

RS-75-12 75W 12V Backorder

Product variants

Notify me when it's back in stock

The RS-50 is a 50.4W Mean Well power supply (input: 88~264VAC, operating temperature: -25~+70°C).

Key Features

✓ Input voltage: 88~264VAC
✓ Output voltage (max): 12V
✓ Rated output current: 4.2A
✓ Operating temperature: -25~+70°C
✓ Safety certifications: CB, CCC, CE, EAC, TÜV, UL
✓ 3 year warranty

Payment & Security

Payment methods

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Model	Power	Voltage	Current
Mean Well RS-50-5 Power Supply 50W 5V 10A	50W	5V	10A	View
Mean Well RS-50-48 Power Supply 50W 48V 1.1A	52.8W	48V	1.1A	View
Mean Well RS-50-3.3 Power Supply 50W 3.3V 10A	33W	3.3V	10A	View
Mean Well RS-50-24 Power Supply 50W 24V 2.2A	52.8W	24V	2.2A	View
Mean Well RS-50-15 Power Supply 50W 15V 3.4A	51W	15V	3.4A	View

Customer reviews

4.8 Reviews verified for authenticity

5 ★ (12)

4 ★ (1)

3 ★ (1)

2 ★ (0)

1 ★ (0)

Reviewed by 14 customers across the RS series

Exactly as specced
By Daniel R.|2026-06-18✓ Verified Buyer
Model: RS-15-24Quantity: 4
Drop-in replacement, ran cool under full load on our DIN rail. Shipped same day.
Workhorse
By Maria K.|2026-05-28✓ Verified Buyer
Model: RS-50-24Quantity: 12
Bought a dozen for a control panel build — every one perfect.
Solid little supply
By Greg T.|2026-04-30✓ Verified Buyer
Model: RS-100-24Quantity: 2
Does the job. Wish the terminals were a touch bigger.

Please log in to write a review.

{ "id":8343924670763, "variants" :[{ "context":"default", "variant_id": 45321271017771, "sku":"RS-50-12", "inventory_qty" : 0, "customer" :false, "custom_html" :"\u003ca class=\"text-current logged-out-price logged-out\" href=\"https:\/\/wellforces.co.nz\/customer_authentication\/redirect?locale=en\u0026region_country=NZ\"\u003e\n \u003cspan \u003ePlease \u003c\/span\u003e \u003cspan class=\"login-text\"\u003eLogin\u003c\/span\u003e \u003cspan\u003e for Pricing\u003c\/span\u003e\n \u003c\/a\u003e", "volume_html" :"\u003cvolume-pricing class=\"parent-display inside_product_form\" id=\"volume-pricing-main\" \u003e\u003c\/volume-pricing\u003e" } ] }

Mean Well RS-50-12 Power Supply 50W 12V 4.2A

Select model — 7 in this family

Key Features

Frequently Asked Questions

Payment & Security

Other RS-50 Models

Customer reviews

Exactly as specced

Workhorse

Solid little supply

Write a review

Your cart

Mean Well RS-50-12 Power Supply 50W 12V 4.2A

Key Features

Company Information

Services and Support

Choose options