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As for the ports, there's a lot of them. 12 AC outlets and six USB Type-A ports mean that you'll never run out of a place to plug in again. There's just no USB-C port, unfortunately, but that can be easily remedied. Unlike most surge protectors that use Metal Oxide Varistors (MOVs) to divert surge current, the Furman PST-8 uses Series Multi-Stage Protection Plus (SMP+) that provides great surge filtering alongside an automatic shutdown circuit that cuts off the power when a surge is detected. This setup protects both your appliances and the surge protector, allowing it to last longer in theory than MOV-based options.
Metal Oxide Varistors are the most important electronic components inside Surge Protectors that perform the “magic” filtering of excess voltage. They have a limited lifespan. (Image credit: Tripp Lite) How do surge protectors protect your devices? It enjoys an average of 4.7 out of 5 star rating, with people praising it for its compact nature, clear light indicators and clean aesthetic that allows it to look good on top of desks as well. Some also appreciate that it's a good value for what it offers. Frequently Asked Questions What are surges? Metal Oxide Varistors are the most important electronic components inside Surge Protectors that perform the “magic” filtering of excess voltage. They have a limited lifespan. (Image credit: Tripp Lite) A surge-protection rating of 400 volts or better: Although we verified each model’s abilities in our own electrical testing, we required that they be rated by one of the major product-safety corporations, UL or ETL, to bring a surge down to (at most) 400 volts. Lower is better when it comes to let-through voltage, the measure of how much extra voltage reaches your electronics. We love a good extension tower, especially when it's very affordable, and this one from Tessan is definitely a shoo-in. It offers 1,700 joules of protection, which is pretty high and will keep your pricey laptop or computer from frying. And it has light indicators to indicate that the surge and ground protection are working, giving you that extra peace of mind.
FAQ
Very few manufacturers are willing to risk money to meet their sales promises. TrippLite is one exception. They offer lifetime exchange warranty on many of their products, as well as an insurance coverage for most of their surge suppressors. Insurance amounts vary according to the model. Industry standards for surge suppression and power conditioning devices include IEEE 62.41 and UL1449, which limit the quantity of electricity that can pass through them. They specify how the surge suppressors will handle surges and what voltage they will clamp at. UL1449 specifies 330V as the best clamping rating for Metal Oxide Varistors (MOVs). However, not all surge protector manufacturers use the same clamp voltage ,many use 400 volts. If your equipment is more critical or sensitive, you want to choose a surge protector with a lower clamp voltage. In the latest edition 3 specification, the term "Voltage Protection Rating" or VPR is used instead of let-through or clamping voltage. SurgeArrest components such as MOVs and Thermal fuse ensure instantaneous reaction to lightning strikes and wiring faults. If the surge components are damaged due to power spike or over voltage, excess power cannot reach your equipment. Unlike the APC SurgeArrest products, most surge suppressors continue to let power through even after circuits have been damaged, leaving your equipment exposed to other damaging surges. Belkin’s 12 Outlet Surge Protector, model BV12234-08, is an excellent unit that provides plenty of protection, which is why it’s one of the best surge protectors and best power strips on the market.
For the technically inclined who want to know: it’s small electronic components called Metal Oxide Varistors, or MOVs for short, which are more often used for this filtering of surges. Other types of filters are gas discharge arrestors which are often seen in antenna protectors, but most of the time, MOVs are used, often in combination with other components like capacitors. In terms of footprint, it’s relatively compact and can easily sit below a home theater setup. It also has a clip towards the bottom for cable management. The BV12234-08 also has room for large adapters, a recessed power button to prevent accidental shutoffs and mounting holes to secure to walls, baseboard or furniture.Another factor to consider when buying a surge protector is the joule rating. It's more important for MOV-based systems and is an indicator of the amount of energy and the number of surges a protector can take before it fails---so, the higher is better.
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