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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 PT 690V 40-2000A
    发布时间: 2023-12-21 19:40    

Bussmann 方体快速熔断器 170M 系列 分断能力高，灭弧能力强。


690V/700V (IEC/UL) 40-2000A

Specifications

Description: Square body flush end contact high speed fuses.

Dimensions: See dimensions illustrations.

Ratings:

Volts: — 690Vac (IEC) — 700Vac (UL)

Amps: — 40-2000A
IR: — 200kA RMS Sym.

Agency Information: CE, Designed and tested to IEC 60269: Part 4, UL Recognized. Consult Cooper Bussmann for UL Recognition / CSA Component Acceptance Status.

Electrical Characteristics

Total Clearing I2t

The total clearing I2t at 1.5rated voltage and at power factor of 15% are given in 1.0the 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, U , which 103

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

or Other Voltage Ratings in This Body Style

• See pages 148 (1000V) and 162 (1250V/1300V)












Dimensions (mm) B

Type -B/-, -BKN/-, -G/-, -GKN/-

**Valid for fuses type -G/- & -GKN/-. NB: B = 65 for: Size 2, 1100-1250A

Size 3, 1600-2000A 1mm = 0.0394” / 1” = 25.4mm


Catalog Numbers


†Rated voltage (IEC) 600V.
‡Rated voltage (IEC) 550V.
• Watts loss provided at rated current.
• Microswitch indicator ordered separately. See accessories on pages 185-186. • For fuse curves see pages 130 and 131.



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