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上海灿升电子有限公司(MegaPower Electronics(Shanghai)CO.,Ltd)成立于2003年，是全球熔断器厂家Bussmann的代理商。旨在为用户提供专业的过电流保护产品和解决方案。
170M 23 1250V 630A-2800A
    发布时间: 2023-12-21 19:41    

Bussmann 方体快速熔断器 170M 系列 分断能力高，灭弧能力强。


1250V (IEC) 630-2800A


Specifications


Description: High speed square body fuses, for the protection of the power rectifier section of the equipment.


Dimensions: See dimensions illustration.


Ratings:

Volts: — 1250Vac (IEC) Amps: — 630-2800A

IR: — 125kA RMS Sym.



gency Information: CE, Designed and tested to IEC 60269: Part 4, UL
Recognized.


Electrical 

Characteristics

Total clearing I2t

The total clearing I2t at
rated voltage and at power
factor of 15% are given in
the electrical
characteristics. For other
voltages, the clearing I2t is found by multiplying by correction factor, K, given as a function of applied working voltage, Eg, (rms).













Arc Voltage

This curve gives the peak arc voltage, UL, which may appear across the fuse during its operation as a function of the applied working voltage Eg , (rms) at a power factor of 15%.


Power Losses

Watts loss at rated current is given in the electrical characteristics. The curve allows the calculation of the power losses at load currents lower than the rated current. The correction factor, Kp, is given as a function of the RMS load current, Ib, in % of the rated current.


Features and Benefits

• Excellent DC performance

• Low arc voltage and low energy let-through (I2t) • Low watts loss

• Superior cycling capability


Typical Applications

• DC common bus

• DC drives

• Power converters/rectifiers • Reduced voltage starters

For Other Voltage Ratings in This Body Style

• See pages 137 (660V) and 157 (1000V)











Flush End Contact - Size 23 1250V (IEC) / 1000 – 4000A


Dimensions (mm):

Size 23 — 630-2800A: 1250V


Time-Current Curve






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