what does the N & L stand for above the 120v input?

Those lugs are where you insert your 110/120v power. The N is for the neutral side or the white wire, and the L is for the load side, the black wire. If you are using a grounded wire power connection, which in my opinion you should use, the ground would go on the lug just to the left of the N connection, between the -V and the N. I am not an electrician, so if you have further questions, it is recommended that you seek an answer from a licensed electrician.

Does the fan run constantly, or only under load?

Only under load. I pull 40-50W and the fan runs on and off non-stop..

Hi, can this power a HAM radio - 100W Tx power?

I used it to power a Xiau KN990 (Chinese FT-817 knockoff). The radio died shortly after being set up. When I returned it for repair, the manufacturer attributed a blown capacitor to a voltage spike. In the future, I'll run the KN990 from an American-made power supply or a battery. I'm not sure the power supply was really to blame. I had it metered constantly, and never noticed any spikes. Who knows?

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12v 30a Dc Universal Regulated Switching Power Supply 360w for CCTV, Computer Project, 3D Printer

Product ID: 1202629

Details

Brand
eTopxizu
Color
Silver
Connector Type
ATX
Input Voltage
230
Item Weight
1.1 pounds

⚡360W max power output

🔌12V DC regulated voltage

🛡️Built-in surge & overload protection

6424 kr

Duties & taxes included

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Sold byAmazon IcelandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Power up your workspace with precision and protection!

SAFETY FIRST ALWAYS - Advanced surge, overload, and short circuit protection keeps your gear safe.
UNIVERSAL INPUT VOLTAGE - Switch easily between 110V and 230V for global indoor use without extra adapters.
PRECISION VOLTAGE CONTROL - Adjustable 10-13.2V range with ±2% tolerance for perfect device compatibility.
EFFICIENT COOL OPERATION - Auto on/off cooling fan and 74% efficiency ensure stable, low-temp performance.
POWER YOUR PROJECTS WITH CONFIDENCE - Reliable 360W output powers CCTV, 3D printers & more without hiccups.

The eTopxizu 12V 30A 360W regulated switching power supply delivers stable, adjustable DC power ideal for CCTV, 3D printers, and industrial projects. Featuring universal 110/230V input, built-in surge and overload protection, and an auto cooling fan, it ensures efficient, safe indoor operation with professional-grade reliability.

Specifications

ASIN	B00D7CWSCG
Amperage	30 A
Best Sellers Rank	#328 in Computer Power Supplies
Brand	eTopxizu
Color	Silver
Connector Type Used on Cable	ATX
Customer Reviews	4.5 4.5 out of 5 stars (2,538)
Form Factor	ATX or Micro ATX or Mini ITX
Input Voltage	230 volts_of_alternating_current
Item Dimensions	8.54 x 4.53 x 2.09 inches
Item Weight	1.1 pounds
Manufacturer	eTopxizu
Maximum Power	360 watts
Mfr Part Number	S-360-12
Model Number	S-360-12
Output Current	30 A
Output Voltage	12 volts_of_direct_current
Output Wattage	360 watts
Specification Met	UL, FCC, Energy Star
UPC	609528933472

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