ABB Emax係列框架式空氣斷路器E3N-A2500 PR121/P-LI IN=2500A 3P F HI 2500A?
ABB Emax係列框架式空氣斷路器E3N-A2500 PR121/P-LI IN=2500A 3P F HI 3P(三相)
ABB Emax係列框架式空氣斷路器E3N-A2500 PR121/P-LI IN=2500A 3P F HI 高分段(HI)
ABB Emax係列框架式空氣斷路器E3N-A2500 PR121/P-LI IN=2500A 3P F HI 固定式(F)
ABB斷路器E3N-A2500 PR121/P-LI IN=2500A 3P F HI是一款框架式空氣斷路器,屬於Emax係列,主要技術參數和功能如下:
?基本參數?
額定電流(IN):2500A?
極數:3P(三相)?
分斷能力:高分段(HI)?
安裝方式:固定式(F)?
?脫扣器功能?
採用PR121/P-LI電子脫扣器,支持過載(L)、短路瞬時(I)保護?。
可通過撥碼設定保護閾值,例如過載值可調整為額定電流的0.4-1倍(如1600A-4000A)?。
具備報警指示燈(ALARM),可快速定位跳閘原因(如過載、短路)?。
?產品特點?
創新設計,結構緊湊,支持N極全額定電流?。
兼容固定式和抽出式安裝,適配標準開關櫃?。
?應用場景?
適用於工業配電係統,如變壓器進線、母聯等大電流場景?。
不推薦直接用於電動機保護(需電動機型斷路器)?。




工作條件
周圍空氣溫度:周圍空氣溫度上限+40℃;○周圍空氣溫度下限-5℃;周圍空氣溫度24h的平均值不超過+35℃。
海拔:安裝地點的海拔不超過2000m。
大氣條件:大氣相對濕度在周圍空氣溫度為+40℃時不超過50%;在較底溫度下可以有較高的相對濕度;濕月的月平均大相對濕度為90%,同時該月的月平均低溫度+25℃,並考慮到因溫度變化發生在產品表面上的凝露。
污染等級:污染等級為3級。
控制回路:
1、應能監視控制回路保護裝置及其跳、合閘回路的完好性,以保證斷路器的正常工作;
2、應能指示斷路器正常合閘和分閘的位置狀態,並在自動合閘和自動跳閘時有明顯的指示信號;
3、合閘和跳閘完成後,應能使命令脈衝解除,即能切斷合閘或跳閘的電源;
4、在無機械防跳裝置時,應加裝電氣防跳裝置;
5、斷路器的事故跳閘信號回路,應按“不對應原理”接線;
6、對有可能出現不正常工作狀態或故障的設備,應裝設預告信號;
7、彈簧操作機構、手動操作機構的電源可為直流或交流,電磁操作機構的電源要求用直流。
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ABB circuit breaker E3N-A2500 PR121/P-LI IN=2500A 3P F HI is a frame type air circuit breaker belonging to the Emax series. Its main technical parameters and functions are as follows:
Basic parameters
Rated current (IN): 2500A
Pole number: 3P (three-phase)
Breaking ability: High segmentation (HI)
Installation method: Fixed (F)
Release function
Adopting PR121/P-LI electronic release, supporting overload (L) and short-circuit instantaneous (I) protection.
The protection threshold can be set by dialing, for example, the overload value can be adjusted to 0.4-1 times the rated current (such as 1600A-4000A).
Equipped with an alarm indicator light (ALARM), it can quickly locate the cause of tripping (such as overload, short circuit).
Product Features
Innovative design, compact structure, supporting N-pole full rated current.
Compatible with fixed and pull-out installations, compatible with standard switchgear.
Application scenarios
Suitable for industrial power distribution systems, such as transformer incoming lines, busbars, and other high current scenarios.
Not recommended for direct use in motor protection (requires dedicated motor type circuit breakers).