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Surge protective devices or SPDs are designed to protect electronic devices, appliances and equipment from a sudden burst of energy known as a power surge. Let’s review the four different types of surge protectors and how and where there used.
Surge protective devices or SPDs are designed to protect electronic devices, appliances and equipment from a sudden burst of energy known as a power surge. Let’s review the four different types of surge protectors and how and where there used.
Type 1 surge protectors are typically mounted on the line side above the main service entrance between the utility pole and where your electricity enters your service panel. Type 1 surge protectors protect against external power surge that are usually caused by lightning or utility capacitor bank switching. You can think of type 1 surge protectors as the first line of defense for your home or facilities entire electrical system, They are rated for outdoor use and some are equipped with alarm systems that will warn you when the device has reached the end of its life cycle and needs to be replaced.
Type 2 surge protectors also known as branch surge panels are installed on the load side to the main service entrance in use to protect the electrical service entrance or branch circuit against residual lightning energy, motor-driven searches and other internally generated surges. Their main purpose is to protect sensitive electronics and microprocessor-based , loads by limiting transient voltage. Type 2 surge panels can be used in industrial, commercial or residential applications.
Type 3 surge protectors often referred to as power strips block a lower level surges, that are damaging to sensitive electronics such as TVs, computers and household appliance. Type 3 protectors are available for 15 and 20 amp, 120-volt applications in different form factors. Such as a surge protector receptacles are various configurations as well as the common surge protective power strips you’ll find being used in almost every home. Type 3 surge protectors provide point to use protection and should be considered as the last line of defense in a surge protection network.
Type 4 surge protectors sometimes known as surge protection modules offer a different kind of point to view surge protection than the type 3 protectors provide. These devices, provide protection for industrial, applications, such as factory automation, servo, motors drives and PLCs and available in both standard wall mounted and DIN mounted configurations. Type 4 surge protectors can also provide wired in surge protection for device in industrial and commercial equipment cabinets. There are numerous surge protectors on the market that can protect anything from a few appliances inside a home to a commercial facilities entire electrical system.
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Q: Why SET's Surge Protection Device can not be installed in the main panel?
ReplyDeleteA: It's because SET'SPD is UL 1449 Type 4CA listed, that means it's component assembly. If you want to install it in the panel, a circuit breaker or fuse is needed.
Q: So, where can SET's SPD be installed in?
ReplyDeleteA: SET's SPD can be installed before the driver of high power LED lighting. It was used as a component in the main circuit.