FN7-12DR 型交流高壓負荷開關(以下簡稱負荷開關)是一種新型產氣式戶內高壓負荷開關,適用於交流50HZ,額定電壓12KV的三相交流電力系統中,作為開斷負荷電流及關合短路電流之用。 FN7(C)-12型系列高壓負荷及熔斷器組合電器是在FN7-12系列高壓負荷開關的基礎上,增加側麵操作機構、使得安裝更加簡捷方便,能夠滿足廣大用戶的不同要求。 FN7-12DR is used in three-phase AC power network of AC 50Hz、rated voltage 12KV for breaking load current and controlling short-circuit current. FN7(C)-12 type H.V load switch and fuse box is basied on the FN7-12 series H.V load switch. with operating mechanism. Make the installation more simpler. Can meet orders needs. |
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| 額定電流(400,630A) 電動分閘裝置(有:F, 無:空) 撞擊熔斷器(有:A, 無:空) 熔斷器 負荷開關與接地開關聯鎖裝置(有:L, 無:空) 接地開關位置(進線端:S,出線端:X) 接地開關 額定電壓(KV) 設計序號 戶內負荷開關 Rated current Off device by motor(with:F without:blank) Striking fuse box (with:F without:blank) fuse box Interlock gear between load switch and earth switch(with:L,without:blank) Earth switch position(wire-in end:S,wire-out end:X) Earth switch Rated voltage Designed number Indoor load switch |
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正常工作環境 Normal Serviec Condition 1、周圍空氣溫度 不高於 +40oC 不低於-25oC; 2、海拔不超過1000米; 3、相對濕度,日平均值不大於95%,月平均值不大於90%; 4、周圍空氣應不受腐蝕性、可燃性氣體及水蒸汽體等明顯污染; 5、無經常性的劇烈運動; 1、The altitude does not exceed 1000m.2、The ambient air temperatrue : Max:+40oC. Min:-25oC. 3、The relatire humidity of air Daily average ≤95% . Monthly average ≤90% 4、The ambient air should not be obviously polluted by corrosivity or the flammability gas steam.Etc. 5、The working situation without frequent violent. |
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類別 Classification | 全型號 Full type | DS
接地開關在線端 Earth switch at the wire-in end | DK
接地開關在線端 Earth switch at the wire-in end | L
聯鎖裝置 Interlock device | R
熔斷器 Fuse box | RA
撞擊式熔斷器 String fuse box | F
電動分閘裝置 Off device by motor | 無脫扣器 Without tripper | FN7-12 | — | — | — | — | — | — | FN7-12DSL | △ | — | △ | — | — | — | FN7-12DXL | — | △ | △ | — | — | — | FN7-12R | — | — | — | △ | — | — | FN7-12DSLR | △ | — | △ | △ | — | — | FN7-12DXLR | — | △ | △ | △ | — | — | 帶撞擊脫扣器 With striking tripper | 椀敬栠牥 ????o〨?FN7-12RAF | — | — | — | — | △ | △ | FN7-12DSLRAF | △ | — | △ | — | △ | △ | FN7-12DXLRAF | — | △ | △ | — | △ | △ |
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額定電壓(KV) Rated voltage | 最高電壓(KV) Max.voltage | 額定電流(A) Rated current | 1min 工頻耐壓(KV) 1min power frequency withstand voltage | 4S熱穩定電流(有效值)(KA) 4S heat-stabling current(value) | 動穩定電流(峰值)(KA) Machine stabling current(peak) | 短路關合電流(KA) Short-circuit controlling current | 額定開斷電流(A) Rated switch-off current | 額定轉移電流(A) Rated transfer current | 12 | 12 | 400 | 42/48 | 12.5 | 31.5 | 31.5 | 400 | 1000 | 630 | 42/48 | 20 | 50 | 50 | 630 | 1000 |
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熔斷器額定參數 Rated parameter of fuse box 型號 Rated voltage | 額定電壓(KV) Rated current | 額定電流(A) Rated switch-off current | 熔體的額定電流(A) Fuse body rated current | SDLA*J | 12 | 40 | 6.3,10,16,20,25,31.5,40 | SFLA*J | 12 | 100 | 50,63,71,80,100 | SKLA*J | 12 | 125 | 125 |
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外形及安裝圖 Appearance installation diagram | 圖1、無脫扣器 "線路" 負荷開關 Diagram 1.Load switch without tripper "line" | 圖2、無脫扣器 "變壓器保護" 負荷開關 Diagram 2.Load switch tripper "transformer protection" | 外型及安裝圖
Appearance install ation dlagram |
| 圖3、脫扣器撞擊負荷開關 Diagram 3.Load switch with tripper striker | 圖4、CS6操作機構安裝示意圖 Diagram 4.Installation diagram of CS6 operating mechanism | | FN7(C)-12高壓負荷開關 FN7(C)-12 H.V.Load Switch | | FN7(C)-12高壓負荷開關與熔斷器組合電器 FN7(C)-12 H.V.Load Switch with Fuse and without fuse |
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