Do you need a surge protector recommendation for your PC?
Do you need a surge protector recommendation for your PC?
I come from India and own a Deepcool DQ850M-V3L PSU rated for 80+ gold. I’m considering adding a surge protector to it.
I’ve used surge protectors for many years on various electrical devices, and unfortunately, some of them failed to protect their equipment.
https://www.amazon.in/GM-Modular-3012-Tr...hdGY&psc=1
MOVs aren't digital gadgets, which means their clamping has a gradual transition—consider how speaker crossovers can vary from 6 to 12 or 24dB/octave in their frequency response. When you inspect surge protectors, you'll typically see a 340v rating for 120v or a 595v rating for 240v lines printed on the MOVs themselves. This helps ensure the MOVs last longer and aren't damaged. Most well-known surge protectors are built properly, but some random Chinese brands without official support might not work correctly and could even pose a fire risk.
I have been utilizing the mentioned product for several years now, and they have remained ON continuously for many days. There was an incident in our area where a sudden surge of current and voltage occurred after cutting a tree on the lines, which proved to be a lifesaver by protecting many of my equipment. Since then, I rely on these devices for almost all my electrical appliances. Also, today I noticed that the input power cable to my PSU is a 250V 6A cable, while the product specifies 10A 240V. I was wondering if it would be safe to use this surge protector with my computer.
I checked today and the input power cable to my PSU is a 250V 6A cable. On the product it says 10A 240V. I wondered if it's safe to use this surge protector on the computer. I looked at the document you provided and found the explanation for the 850Watt PSU on page 12, which describes the input voltage and current ranges.
I’m hoping the AC mains remain as steady as suggested by the previous remarks. I’ve checked various types of mains voltages across the area. In Leh (Ladakh), the diesel generators at the town supply reduced gradually at 10:30pm in a sequence of 20V intervals, about every 15 seconds (220V, 200V, 180V, 160V, 140V, then off). That’s unusual.
In isolated valleys with small hydro projects, I’ve observed 50V on what was listed as 110V AC and 70V on 220V AC during peak brownouts (evenings). When lights and LEDs fail but tungsten bulbs flicker faintly, it’s clear the mains voltage is low.
In two hotels, I recorded 300V (due to a misconfigured diesel generator) and 330V AC (from a small petrol generator with a faulty governor). In both instances, the hotel room lights exploded.
Unless the setup is extremely poorly designed, it should be feasible to use a surge protector for your PC, though they mainly limit spikes rather than handling all fluctuations like power drops or brownouts.
For better safeguarding, a quality UPS would help—possibly paired with a robust AVR, which is common in many hotel AC systems in India.
I often keep a budget AC voltmeter connected to the mains when charging laptops or camera batteries while traveling. It could be worthwhile to invest a small amount to monitor your own mains. If the reading falls below 100V, it’s wise to disconnect all switched-mode power supplies, as they usually operate between 100 and 240V AC.
https://www.aliexpress.com/item/10050074...dp_ext_f={"order":"5","eval":"1"}&utparam-url=scene:search|query_from:&search_p4p_id=202505200649184949925022859400000889873_4}
Thanks for the information... I plan to purchase a digital voltmeter, it should be helpful.
1. Also, would you recommend a suitable UPS? I'm having trouble finding one rated for 850W, and I also intend to use a monitor there.
2. The surge protector lists 10A at 240V, while the PSU wire is rated for 250V and 6A. Shouldn't that be okay with the current amperage?
3. What happens if voltage exceeds or drops below 240V during fluctuations?
Are you suggesting that this product is a random alphabet letter Chinese brand yet it functions? I don’t understand that brand and don’t see any other reason for mentioning you. Usually UPSes are measured in apparent power or VA, and most manufacturers use 0.7 as the power-factor. Therefore, 850/0.7 indicates you should look for a model with at least 1250VA because you’ll be operating near full capacity and using a monitor. Remember this size only provides 5-7 minutes of runtime when batteries are new, so you might want to opt for something larger. Major global brands include APC or Eaton/Tripp-Lite (both typically regarded as superior to CyberPower), though there could be some excellent Indian-made options.
In India, GM Modular is a well-known brand, with their products and accessories widely used in various buildings. There was an incident in our area where a tree fell onto power lines, causing a surge of current and high voltage. I heard loud popping sounds in several houses, possibly due to appliances malfunctioning. I experienced this firsthand when two or three devices burst inside my home, yet the appliances they were connected to remained intact. These events have since proven to be a lifesaver, protecting many of my electrical devices except for those with high wattage.