直流小型斷路器（MCB）DZ47-125 DC 說明書
來源 : 浙江九電電氣有限公司發(fā)布時間 : 2024-11-19 08:37:00
DZ47-125 DC MCB
適用范圍/Scope of use
DZ47-125系列直流微型斷路器適用于額定電壓500V~1000V、額定電流125A的50/60Hz電路。它可以保護人員免受間接接觸和設備的傷害，提供過載、短路和其他危險的保護。此外，它專為正常條件下不頻繁的電路切換而設計。根據用戶要求，還可以添加過壓保護功能。該產品主要用于保護建筑照明和配電系統(tǒng)，同時還提供隔離功能。本產品符合IEC60947-2和GB/T14048.2標準。
The DZ47-125 series miniature DC circuit breaker is suitable for 50/60Hz circuits with a rated voltage of 500V~1000V and a rated current of 125A. It can protect personnel from indirect contact and equipment damage, providing protection against overload, short circuit, and other hazards. In addition, it is designed for infrequent circuit switching under normal conditions. According to user requirements, overvoltage protection function can also be added. This product is mainly used to protect building lighting and power distribution systems, while also providing isolation function. This product complies with IEC60947-2 and GB/T14048.2 standards.
基本參數/Basic parameters:
產品型號：DZ47-125 Product model: DZ47-125
額定電壓：500V、1000V Rated voltage: 500V, 1000V
額定電流：63A、80A、100A、125A Rated current: 63A, 80A, 100A, 125A
數：1P、2P、3P、4P Polar numbers: 1P, 2P, 3P, 4P
主要技術參數：Main technical parameters:
1、主要類型
A:C型主要用于照明保護；
B:D型主要用于動力保護；
技術參數
2、斷路器的額定電流為63A、80A、100A、125A.
3、斷路器的數非為：單、二、三、四。
4、本斷路器采用35*7.5標準安裝導軌。
5、斷路器的主電路額度值見表一。
1. Main types
A: Type C is mainly used for lighting protection;
B: D-type is mainly used for power protection;
technical parameter
2. The rated current of the circuit breaker is 63A, 80A, 100A, 125A
3. The number of poles of a circuit breaker is not: single pole, two poles, three poles, or four poles.
4. This circuit breaker adopts a 35 * 7.5 standard installation guide rail.
5. The main circuit limit value of the circuit breaker is shown in Table 1.
額定電流（A） Rated current | 數 number of poles | 額定電壓（V） rated voltage | 額定短路分斷能力 Rated short-circuit breaking capacity | |
試驗線路預期電流（A） Expected current of test circuit | 功率因數 Power factor | |||
63.80.100.125 | 1.2.3.4 | 230/400 | 10000 | 0.45~0.50 |
6、過電流脫開特性見表二。
周圍空氣濕度 Surrounding air humidity | I/In | 試驗時間預期結果 Expected results of experimental time | 起始狀態(tài) Initial state | |
In≤63A | In〉63A | |||
30±2℃ | 1.05 | 1小時內不脫扣 Not trip within 1 hour | 2小時內不脫扣Not trip within 2 hour | 冷態(tài)開始 Cold start |
1.3 | 1小時內脫扣 Tripped within 1 hour | 2小時內脫扣 Tripped within 2 hour | 熱態(tài)開始 Hot start | |
5~45℃ | 8.0~12.0（C） | 〈0.2s脫扣/trip | 冷態(tài)開始 Cold start | |
10.0~14.0(D) | 〈0.2s脫扣/trip | |||
7、工頻耐壓：在耐濕熱性能后，斷路器能承受2500V工頻耐壓試驗1分鐘而無閃絡和擊穿現象。
8、機械電氣壽命：斷路器的機械壽命為10000次，其中電氣壽命為1500次。
7. Power frequency withstand voltage: After withstanding humidity and heat, the circuit breaker can withstand a 2500V power frequency withstand voltage test for 1 minute without flashover or breakdown.
8. Mechanical and electrical lifespan: The mechanical lifespan of the circuit breaker is 10000 cycles, of which the electrical lifespan is 1500 cycles.
脫口特性曲線/Exit characteristic curve
9. 抗?jié)駸嵝裕?/span>2類（溫度55℃，相對濕度為95%）。
10. 接線：采用帶夾箍的接線端子，固定電纜截面可達至50mm2
9. Moisture and heat resistance: Class 2 (temperature 55 ℃, relative humidity 95%).
10. Wiring: Use terminal blocks with clamps to fix cables with a cross-sectional area of up to 50mm 2
外形及安裝尺寸/Outline and installation dimension diagram
單位尺寸為mm.
The unit size is in millimeters.
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