{"id":2241,"date":"2025-11-19T14:11:15","date_gmt":"2025-11-19T06:11:15","guid":{"rendered":"https:\/\/www.britecelectric.com\/?post_type=blog&p=2241"},"modified":"2025-11-19T15:12:37","modified_gmt":"2025-11-19T07:12:37","slug":"type-1-surge-protection-device-vs-type-2-spd","status":"publish","type":"blog","link":"https:\/\/www.britecelectric.com\/tr\/blog\/type-1-surge-protection-device-vs-type-2-spd\/","title":{"rendered":"Tip 1 A\u015f\u0131r\u0131 Gerilim Koruma Cihaz\u0131 VS Tip 2 SPD"},"content":{"rendered":"In modern electrical systems, surge protectors (SPDs) are critical devices for protecting against damage from lightning strikes and switch surges. However, many people are confused by the different types, such as Type 1 and Type 2\u00a0surge protection device.\r\n\r\nWhat Is the difference between Type 1 and Type 2 SPD?This article will provide an in-depth comparison of Tip 1 a\u015f\u0131r\u0131 gerilim koruma cihaz\u0131<\/strong><\/a> ve Tip 2 SPD'ler farkl\u0131l\u0131klar\u0131n\u0131, uygulama senaryolar\u0131n\u0131 anlaman\u0131za ve do\u011fru se\u00e7imi yapman\u0131za yard\u0131mc\u0131 olur.\r\n\r\n \r\n

2. Tip 1 A\u015f\u0131r\u0131 Gerilim Koruma Cihaz\u0131 ve Tip 2 SPD<\/h2>\r\nSurge protectors (SPDs) are the \"safety valves\" of electrical systems. Type 1 and Type 2 are the two most commonly used SPDs. They each have their own functions and work together to build a complete protection system.\r\n

2.1 Tip 1 ve Tip 2 SPD'nin ana i\u015flevi<\/h2>\r\n\"BR-25M<\/a>\r\n
Tip 1 SPD (Y\u0131ld\u0131r\u0131m Ak\u0131m\u0131 De\u015farj Cihaz\u0131):<\/strong><\/div>\r\n
Ana Fonksiyonu: Do\u011frudan y\u0131ld\u0131r\u0131m \u00e7arpmas\u0131na veya k\u0131smi y\u0131ld\u0131r\u0131m ak\u0131mlar\u0131na kar\u015f\u0131 koruma sa\u011flar. Genellikle bir binan\u0131n ana giri\u015f noktas\u0131na yerle\u015ftirilir ve birinci d\u00fczey (temel) koruma sa\u011flar.<\/div>\r\n
Temel G\u00f6rev: Ekipmana ve a\u015fa\u011f\u0131 y\u00f6ndeki hatlara zarar gelmesini durdurmak i\u00e7in b\u00fcy\u00fck y\u0131ld\u0131r\u0131m ak\u0131mlar\u0131n\u0131 y\u00f6netir ve y\u00f6nlendirir.<\/div>\r\n
<\/div>\r\n
Tip 2 SPD (Bas\u0131n\u00e7 Kontrol Cihaz\u0131):<\/strong><\/div>\r\n
Ana Fonksiyon: Anahtar i\u015fleminden kaynaklanan dalgalanmalara ve ind\u00fcklenen y\u0131ld\u0131r\u0131m \u00e7arpmalar\u0131ndan kaynaklanan art\u0131k dalgalanmalara kar\u015f\u0131 koruma i\u00e7in kullan\u0131l\u0131r. Tipik olarak da\u011f\u0131t\u0131m kutular\u0131na (kat da\u011f\u0131t\u0131m kutular\u0131 gibi) monte edilir ve ikinci d\u00fczey (ara koruma) sa\u011flar.<\/div>\r\n
Temel G\u00f6rev: Hassas elektronik ekipmanlar i\u00e7in birincil koruma g\u00f6revi g\u00f6rerek terminal ekipmanlar\u0131 i\u00e7in art\u0131k voltaj\u0131 g\u00fcvenli bir seviyeye s\u0131n\u0131rland\u0131r\u0131r.<\/div>\r\n
<\/div>\r\n
<\/div>\r\n

2.2 Ana Test Parametreleri<\/h2>\r\n
Tip 1 SPD Tek Fazl\u0131:<\/strong><\/div>\r\n
Impulse Current (I<sub>imp<\/sub>): The most critical parameter. It indicates the SPD's ability to withstand a typical lightning current, including peak current (10\/350\u03bcs waveform), charge quantity, and other comprehensive requirements. For example: 25 kA (10\/350\u03bcs).<\/div>\r\n
<\/div>\r\n
\"BR-20<\/a><\/div>\r\n
Tip 2 SPD:<\/strong><\/div>\r\n
Nominal De\u015farj Ak\u0131m\u0131 (In<\/sub>): Temel parametre. SPD'nin bir\u00e7ok kez dayanabilece\u011fi standart test ak\u0131m\u0131n\u0131 (8\/20\u03bcs dalga bi\u00e7imi) g\u00f6sterir. \u00d6rne\u011fin: 20 kA (8\/20\u03bcs).<\/div>\r\n
Maksimum De\u015farj Ak\u0131m\u0131 (Imax<\/sub>): SPD'nin tek bir i\u015flemde dayanabilece\u011fi maksimum de\u015farj ak\u0131m\u0131n\u0131 (8\/20\u03bcs dalga bi\u00e7imi) g\u00f6sterir.<\/div>\r\n
<\/div>\r\n
<\/div>\r\n
<\/div>\r\n

2.3 Test Dalga Formlar\u0131<\/h2>\r\n10\/350\u03bcs waveform (for Type 1 testing): This waveform simulates some of the current characteristics of a direct lightning strike. Its current rise is slow, but its duration is long, carrying approximately 20 times the energy of the 8\/20\u03bcs waveform, making it extremely destructive.\r\n\r\n8\/20\u03bcs waveform (for Type 2 testing): This waveform simulates induced lightning and switching surges. The current rises quickly, its duration is short, and its energy is relatively small.\r\n\r\n \r\n

2.4 Kurulum Konumu<\/h2>\r\nType 1 lightning surge protection device: Installed in the building's main distribution panel (main incoming line box), located after the electricity meter and before or after the main circuit breaker (depending on product design).\r\n\r\nType 2 SPD: Installed in distribution panels, such as floor distribution boxes or distribution boxes in critical equipment rooms (e.g., data centers, elevator control rooms).\r\n\r\n \r\n

2.5 Harici A\u015f\u0131r\u0131 Gerilim Koruma Sisteminin \u0130li\u015fkisi<\/h2>\r\nType 1 SPD: Must be installed at the power inlet of buildings equipped with external lightning protection systems (lightning rods, down conductors). This is a mandatory requirement of international standards (such as IEC 62305) because it effectively handles direct lightning current coupled from the down conductor to the power line.\r\n\r\nType 2 SPD: Not directly mandatory with external lightning protection systems. Type 2 SPDs are required to handle induced surges regardless of whether the building has an external lightning protection system.\r\n\r\n \r\n

2.6 Koordinasyon<\/h2>\r\nTip 1 ve Tip 2 SPD'lerin birlikte \u00e7al\u0131\u015fmas\u0131 gerekir. Aralar\u0131nda belirli bir hat mesafesi korunmal\u0131 (genellikle en az 10 metre olmas\u0131 \u00f6nerilir) veya bir dalgalanma durumunda enerjinin \u00e7o\u011funu da\u011f\u0131tmak i\u00e7in \u00f6nce Tip 1 SPD'nin devreye girmesini ve ard\u0131ndan art\u0131k voltaj\u0131 daha d\u00fc\u015f\u00fck bir seviyeye s\u0131n\u0131rlamak i\u00e7in Tip 2 SPD'nin devreye girmesini sa\u011flamak i\u00e7in ay\u0131rma cihazlar\u0131 (\u00f6zel reakt\u00f6rler gibi) kullan\u0131lmal\u0131d\u0131r. Mesafe yetersizse b\u00fcy\u00fck bir dalgalanma Tip 1'i atlayabilir ve Tip 2'ye zarar verebilir.\r\n\r\n \r\n

Tip 1 veya Tip 2 SPD'ye \u0130htiyac\u0131m Var m\u0131?<\/h2>\r\nBu, se\u00e7im yapman\u0131za yard\u0131mc\u0131 olacak bir karar verme s\u00fcrecidir:\r\n

Binada Harici A\u015f\u0131r\u0131 Gerilim Koruma Sistemi Var m\u0131?<\/strong><\/h3>\r\nYes: You must install a Type 1 SPD in the main distribution box.\r\n\r\nNo\/Unsure: You can skip Type 1, but installing Type 2 is strongly recommended.\r\n

Gelen Enerji Hatt\u0131nda Dalgalanma Riski De\u011ferlendirmesi<\/strong><\/h3>\r\nHarici bir y\u0131ld\u0131r\u0131mdan korunma sistemi olmasa bile, binan\u0131z a\u00e7\u0131k bir alanda, bir tepe \u00fczerinde bulunuyorsa veya uzun havai elektrik hatlar\u0131na sahipse, y\u0131ld\u0131r\u0131m \u00e7arpmas\u0131 riski y\u00fcksektir. Tip 1 SPD'nin tak\u0131lmas\u0131 daha y\u00fcksek d\u00fczeyde koruma sa\u011flayabilir.\r\n

Se\u00e7ime Karar Ver<\/strong><\/h3>\r\nScenario A (Standard residential building, no external lightning protection): Installing a Type 2 SPD in the main distribution box provides sufficient protection.\r\n\r\nScenario B (Villa\/commercial building with lightning rod): A Type 1 SPD must be installed in the main distribution box, and Type 2 SPDs must be installed in floor distribution boxes or distribution boxes for critical equipment.\r\n\r\nScenario C (Risk compromise): If space or budget is limited, a Type 1+2 combined SPD can be installed in the main distribution box (see FAQ).\r\n

Kademeli (Koordineli) Koruma Kavram\u0131<\/h2>\r\n

Kademeli Koruma Neden Gereklidir?<\/h3>\r\nNo single SPD can perfectly handle all types of surges. The concept of tiered protection is:\r\n\r\nType 1 (Level 1): Intercepts and discharges the vast majority of the enormous energy (e.g., 90%) at the inlet.\r\n\r\nType 2 (Level 2): \u200b\u200bFurther limits the residual surge voltage after the first level, bringing it within the equipment's safe range.\r\n\r\nType 3 (Fine Protection): Uses surge strips at the equipment end to provide fine protection for the last mile.\r\n\r\nThis is like a line of defense: the first line weakens the main force, the second line clears the residue, and ensures the safety of the main base (your equipment).\r\n

Tipik Kademeli Koruma \u015eemas\u0131<\/h3>\r\nA complete solution is as follows:\r\n\r\nLevel I: Main Distribution Box \u2192 Type 1 SPD\r\n\r\nLevel II: Floor Distribution Box \u2192 Type 2 SPD\r\n\r\nLevel III: Equipment Front-End (e.g., sockets) \u2192 Type 3 SPD (surge power strip)\r\n

SSS<\/h2>\r\nHem Tip 1 hem de Tip 2 Tek Fazl\u0131 SPD'yi Takabilir miyim?<\/strong>\r\n\r\nAbsolutely, and it's best practice. Type 1 and Type 2 single phase SPDs work together to provide tiered protection from the inlet to the device.\r\n\r\nTip 1+2 Kombine H\u0131z \u0130le Ayr\u0131 Olarak Montaj\u0131 Aras\u0131ndaki Fark<\/strong>\r\n
Tip 1+2 Kombine SPD: Tek bir cihaz hem Tip 1 hem de Tip 2 mod\u00fcllerini entegre eder. Avantajlar\u0131 aras\u0131nda yer tasarrufu ve kolay kurulum yer al\u0131r; bu da onu \u00f6zellikle ana da\u011f\u0131t\u0131m kutusunda s\u0131n\u0131rl\u0131 alana sahip senaryolar i\u00e7in uygun k\u0131lar. Uygun mod\u00fcl uyumlulu\u011funu sa\u011flamak i\u00e7in koordinasyon testinden ge\u00e7mi\u015ftir.<\/div>\r\n
<\/div>\r\n
Ayr\u0131 Kurulum: Maksimum esneklik ve bak\u0131m kolayl\u0131\u011f\u0131 sunar. Tip 1 mod\u00fcl\u00fcn hasar g\u00f6rmesi durumunda, Tip 2 mod\u00fcl\u00fc etkilemeden yaln\u0131zca Tip 1 mod\u00fcl\u00fc de\u011fi\u015ftirilebilir. Ancak aralar\u0131nda yeterli mesafe b\u0131rak\u0131lmal\u0131 veya dekuplaj cihaz\u0131 kullan\u0131lmal\u0131d\u0131r.<\/div>\r\n
<\/div>\r\n\u00c7\u0131k\u0131\u015flar\u0131mda Dalgalanma \u015eeritleri Kullan\u0131yorum. Tip 2 SPD'yi Y\u00fcklemem Gerekir mi?<\/strong>\r\n\r\nAbsolutely necessary. Surge power strips (Type 3 SPDs) have limited discharge capabilities; they are designed to absorb very small residual surges at the device end. They cannot withstand major surge energy transmitted from the power line.\r\n\r\nWithout a Type 2 SPD dissipating energy at the pre-amplifier stage, a larger surge could directly destroy your surge power strip and connected devices. Type 2 SPDs are the mainstay in protecting the entire circuit branch.\r\n\r\n \r\n\r\nTek Fazl\u0131 SPD VS \u00dc\u00e7 Fazl\u0131 Tip 1 SPD<\/strong>\r\n\r\nTek fazl\u0131 SPD'ler, tek fazl\u0131 g\u00fc\u00e7 kayna\u011f\u0131 sistemlerinde (bir canl\u0131 kablo ve bir n\u00f6tr kablo) kullan\u0131l\u0131rken, \u00fc\u00e7 fazl\u0131 Tip 1 SPD'ler, t\u00fcm faz kablolar\u0131n\u0131 do\u011frudan y\u0131ld\u0131r\u0131m \u00e7arpmas\u0131 gibi b\u00fcy\u00fck dalgalanma darbelerinden korumak i\u00e7in tasarlanm\u0131\u015f \u00fc\u00e7 fazl\u0131 g\u00fc\u00e7 kayna\u011f\u0131 sistemlerinde (\u00fc\u00e7 canl\u0131 kablo ve bir n\u00f6tr kablo veya \u00fc\u00e7 canl\u0131 kablo, bir n\u00f6tr kablo ve bir topraklama kablosu) kullan\u0131l\u0131r.\r\n

\u00c7\u00f6z\u00fcm<\/h2>\r\n
SPD Tip 1 ve Tip 2? Tip 1 ve Tip 2 SPD'ler aras\u0131nda se\u00e7im yapmak ya biri ya da ikisi meselesi de\u011fil, etkili bir y\u0131ld\u0131r\u0131mdan korunma hiyerar\u015fisinin nas\u0131l olu\u015fturulaca\u011f\u0131 sorusudur.<\/div>\r\n
Type 1 SPDs are the \"heavy armor\" against direct lightning strikes and are the mandatory first choice for buildings with external lightning protection systems.<\/div>\r\n
Type 2 SPDs are the \"main force\" against everyday surges and are core protection equipment that almost all buildings should have installed.<\/div>\r\n
En g\u00fcvenli ve en g\u00fcvenilir strateji, kademeli bir koruma ilkesini takip etmektir: Tip 1'i ana giri\u015flere, Tip 2'yi da\u011f\u0131t\u0131m kutular\u0131na ve a\u015f\u0131r\u0131 gerilim \u015feritlerini son ekipman konumlar\u0131na yerle\u015ftirin. Bu katmanl\u0131 koruma sistemi sayesinde elektrikli ekipmanlar\u0131n\u0131z ve m\u00fclk\u00fcn\u00fcz i\u00e7in en kapsaml\u0131 korumay\u0131 sa\u011flayabilirsiniz.<\/div>","protected":false},"featured_media":2246,"parent":0,"menu_order":106,"template":"","meta":{"_acf_changed":false},"blog_category":[9],"class_list":["post-2241","blog","type-blog","status-publish","has-post-thumbnail","hentry","blog_category-industry-news"],"acf":{"des":"Comparison of Type 1 surge protection device and Type 2 SPD to help you understand their differences, application scenarios, and make the right choice.","txt":"In modern electrical systems, surge protectors (SPDs) are critical devices for protecting against damage from lightning strikes and switch surges. However, many people are confused by the different types, such as Type 1 and Type 2\u00a0surge protection device.\r\n\r\nWhat Is the difference between Type 1 and Type 2 SPD?This article will provide an in-depth comparison of Type 1 surge protection device<\/strong><\/a> and Type 2 SPDs to help you understand their differences, application scenarios, and make the right choice.\r\n\r\n \r\n

2. Type 1 Surge Protection Device Vs Type 2 SPD<\/h2>\r\nSurge protectors (SPDs) are the \"safety valves\" of electrical systems. Type 1 and Type 2 are the two most commonly used SPDs. They each have their own functions and work together to build a complete protection system.\r\n

2.1 Main function of Type 1 and Type 2 SPD<\/h2>\r\n\"BR-25M<\/a>\r\n
Type 1 SPD (Lightning Current Discharge Device):<\/strong><\/div>\r\n
Main Function: Provides protection from direct lightning strikes or partial lightning currents. Usually placed at the main entry point of a building, it gives first-level (basic) protection.<\/div>\r\n
Core Task: Handles and redirects large lightning currents to stop damage to equipment and lines downstream.<\/div>\r\n
<\/div>\r\n
Type 2 SPD (Pressure Control Device):<\/strong><\/div>\r\n
Main Function: Used for protection against surges from switch operation and residual surges from induced lightning strikes. It is typically installed in distribution boxes (such as floor distribution boxes) and provides second-level (intermediate protection).<\/div>\r\n
Core Task: Limits residual voltage to a safe level for terminal equipment, serving as the primary protection for sensitive electronic equipment.<\/div>\r\n
<\/div>\r\n
<\/div>\r\n

2.2 Main Test Parameters<\/h2>\r\n
Type 1 SPD Single Phase:<\/strong><\/div>\r\n
Impulse Current (I<sub>imp<\/sub>): The most critical parameter. It indicates the SPD's ability to withstand a typical lightning current, including peak current (10\/350\u03bcs waveform), charge quantity, and other comprehensive requirements. For example: 25 kA (10\/350\u03bcs).<\/div>\r\n
<\/div>\r\n
\"BR-20<\/a><\/div>\r\n
Type 2 SPD:<\/strong><\/div>\r\n
Nominal Discharge Current (I<sub>n<\/sub>): The core parameter. It indicates the standard test current (8\/20\u03bcs waveform) that the SPD can withstand multiple times. For example: 20 kA (8\/20\u03bcs).<\/div>\r\n
Maximum Discharge Current (I<sub>max<\/sub>): Indicates the maximum discharge current (8\/20\u03bcs waveform) that the SPD can withstand in a single operation.<\/div>\r\n
<\/div>\r\n
<\/div>\r\n
<\/div>\r\n

2.3 Test Waveforms<\/h2>\r\n10\/350\u03bcs waveform (for Type 1 testing): This waveform simulates some of the current characteristics of a direct lightning strike. Its current rise is slow, but its duration is long, carrying approximately 20 times the energy of the 8\/20\u03bcs waveform, making it extremely destructive.\r\n\r\n8\/20\u03bcs waveform (for Type 2 testing): This waveform simulates induced lightning and switching surges. The current rises quickly, its duration is short, and its energy is relatively small.\r\n\r\n \r\n

2.4 Installation Location<\/h2>\r\nType 1 lightning surge protection device: Installed in the building's main distribution panel (main incoming line box), located after the electricity meter and before or after the main circuit breaker (depending on product design).\r\n\r\nType 2 SPD: Installed in distribution panels, such as floor distribution boxes or distribution boxes in critical equipment rooms (e.g., data centers, elevator control rooms).\r\n\r\n \r\n

2.5 Reltation of External Surge Protection System<\/h2>\r\nType 1 SPD: Must be installed at the power inlet of buildings equipped with external lightning protection systems (lightning rods, down conductors). This is a mandatory requirement of international standards (such as IEC 62305) because it effectively handles direct lightning current coupled from the down conductor to the power line.\r\n\r\nType 2 SPD: Not directly mandatory with external lightning protection systems. Type 2 SPDs are required to handle induced surges regardless of whether the building has an external lightning protection system.\r\n\r\n \r\n

2.6 Coordination<\/h2>\r\nType 1 and Type 2 SPDs need to work together. A certain line distance must be maintained between them (generally recommended to be at least 10 meters), or decoupling devices (such as dedicated reactors) should be used to ensure that, in the event of a surge, the Type 1 SPD trips first to dissipate most of the energy, and then the Type 2 SPD trips to limit the residual voltage to a lower level. If the distance is insufficient, a large surge may bypass the Type 1 and damage the Type 2.\r\n\r\n \r\n

Do I Need Type 1 Or Type 2 SPD?<\/h2>\r\nThis is a decision-making process to help you make a choice:\r\n

Does The Building Have An External Surge Protection System?<\/strong><\/h3>\r\nYes: You must install a Type 1 SPD in the main distribution box.\r\n\r\nNo\/Unsure: You can skip Type 1, but installing Type 2 is strongly recommended.\r\n

Surge Risk Assessment At Incoming Power Line<\/strong><\/h3>\r\nEven without an external lightning protection system, if your building is located in an open area, on a hilltop, or has long overhead power lines, the risk of lightning strikes is high. Installing a Type 1 SPD can provide a higher level of protection.\r\n

Decide Selection<\/strong><\/h3>\r\nScenario A (Standard residential building, no external lightning protection): Installing a Type 2 SPD in the main distribution box provides sufficient protection.\r\n\r\nScenario B (Villa\/commercial building with lightning rod): A Type 1 SPD must be installed in the main distribution box, and Type 2 SPDs must be installed in floor distribution boxes or distribution boxes for critical equipment.\r\n\r\nScenario C (Risk compromise): If space or budget is limited, a Type 1+2 combined SPD can be installed in the main distribution box (see FAQ).\r\n

Concept Of Graded (Coordinated) Protection<\/h2>\r\n

Why Is Graded Protection Necessary?<\/h3>\r\nNo single SPD can perfectly handle all types of surges. The concept of tiered protection is:\r\n\r\nType 1 (Level 1): Intercepts and discharges the vast majority of the enormous energy (e.g., 90%) at the inlet.\r\n\r\nType 2 (Level 2): \u200b\u200bFurther limits the residual surge voltage after the first level, bringing it within the equipment's safe range.\r\n\r\nType 3 (Fine Protection): Uses surge strips at the equipment end to provide fine protection for the last mile.\r\n\r\nThis is like a line of defense: the first line weakens the main force, the second line clears the residue, and ensures the safety of the main base (your equipment).\r\n

Typical Graded Protection Scheme<\/h3>\r\nA complete solution is as follows:\r\n\r\nLevel I: Main Distribution Box \u2192 Type 1 SPD\r\n\r\nLevel II: Floor Distribution Box \u2192 Type 2 SPD\r\n\r\nLevel III: Equipment Front-End (e.g., sockets) \u2192 Type 3 SPD (surge power strip)\r\n

FAQ<\/h2>\r\nCan I Install Both Type 1 And Type 2 Single Phase SPD?<\/strong>\r\n\r\nAbsolutely, and it's best practice. Type 1 and Type 2 single phase SPDs work together to provide tiered protection from the inlet to the device.\r\n\r\nDifference Between Type 1+2 Combined Spd And Installing Them Separately<\/strong>\r\n
Type 1+2 Combined SPD: A single device integrates both Type 1 and Type 2 modules. Its advantages include space saving and easy installation, making it particularly suitable for scenarios with limited space in the main distribution box. It has passed coordination testing to ensure proper module compatibility.<\/div>\r\n
<\/div>\r\n
Separate Installation: Offers maximum flexibility and maintainability. If a Type 1 module is damaged, only the Type 1 module can be replaced without affecting the Type 2 module. However, sufficient distance must be ensured between them, or a decoupling device must be used.<\/div>\r\n
<\/div>\r\nI Use Surge Strips On My Outlets. Do I Need To Install Type 2 SPD?<\/strong>\r\n\r\nAbsolutely necessary. Surge power strips (Type 3 SPDs) have limited discharge capabilities; they are designed to absorb very small residual surges at the device end. They cannot withstand major surge energy transmitted from the power line.\r\n\r\nWithout a Type 2 SPD dissipating energy at the pre-amplifier stage, a larger surge could directly destroy your surge power strip and connected devices. Type 2 SPDs are the mainstay in protecting the entire circuit branch.\r\n\r\n \r\n\r\nSingle Phase SPD VS Three phase Type 1 SPD<\/strong>\r\n\r\nSingle-phase SPDs are used in single-phase power supply systems (one live wire and one neutral wire), while three-phase Type 1 SPDs are used in three-phase power supply systems (three live wires and one neutral wire or three live wires, one neutral wire, and one ground wire), designed to protect all phase wires from massive surge impacts such as direct lightning strikes.\r\n

Conclusion<\/h2>\r\n
SPD Type 1 Vs Type 2?Choosing between Type 1 and Type 2 SPDs is not an either-or question, but rather a question of how to build an effective lightning protection hierarchy.<\/div>\r\n
Type 1 SPDs are the \"heavy armor\" against direct lightning strikes and are the mandatory first choice for buildings with external lightning protection systems.<\/div>\r\n
Type 2 SPDs are the \"main force\" against everyday surges and are core protection equipment that almost all buildings should have installed.<\/div>\r\n
The safest and most reliable strategy is to follow a tiered protection principle: deploy Type 1 at main entrances, Type 2 at distribution boxes, and surge strips at final equipment locations. Through this layered protection system, you can provide the most comprehensive protection for your electrical equipment and property.<\/div>"},"_links":{"self":[{"href":"https:\/\/www.britecelectric.com\/tr\/wp-json\/wp\/v2\/blog\/2241","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.britecelectric.com\/tr\/wp-json\/wp\/v2\/blog"}],"about":[{"href":"https:\/\/www.britecelectric.com\/tr\/wp-json\/wp\/v2\/types\/blog"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.britecelectric.com\/tr\/wp-json\/wp\/v2\/media\/2246"}],"wp:attachment":[{"href":"https:\/\/www.britecelectric.com\/tr\/wp-json\/wp\/v2\/media?parent=2241"}],"wp:term":[{"taxonomy":"blog_category","embeddable":true,"href":"https:\/\/www.britecelectric.com\/tr\/wp-json\/wp\/v2\/blog_category?post=2241"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}