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欧标方体平端 1250V 630-2800V

170M — size 23, flush-end contact 1250 Vac (IEC), 630 to 2800 A


Description

Square body, flush-end contact, high speed fuses, for the protection of power rectifiers. Catalog numbers available with visual indicator or Type K indicator for use with microswitches.

 

Specifications

Ratings

• Volts:

• 1250 Vac (IEC 630 to 2200 A)

• 1100 Vac (IEC 2500 and 2800 A)

• Amps: 630-2800 A

• Interrupting rating: 125 kA RMS Sym.

 

Operating class: aR

 

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).

 

Agency information

• Designed and tested to IEC 60269 Part 4

• UL Recognized

• CE

 

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.


Catalog Numbers

Size

Catalog Numbers

Rated Voltage (V)

Rated Current RMS-Amp

-BU/75 without Indicator

-BKE/75 Type K Indicator

-BKN/75 Type K Indicator

-BU/80    without Indicator

-BKE/80 Type K Indicator

-BKN/80 Type K Indicator

23

170M6775

170M6795

170M6785




1250

630

170M6776

170M6796

170M6786




700

170M6777

170M6797

170M6787




800

170M6805

170M6807

170M6806




900

170M6778

170M6798

170M6788




1000

170M6779

170M6799

170M6789




1100

170M6780

170M6800

170M6790




1250

170M6781

170M6801

170M6791




1400

170M6782

170M6802

170M6792




1600

170M6783

170M6803

170M6793




1800




170M6784

170M6804

170M6794

2000




170M6815

170M6833

170M6827

2200




170M6816

170M6834

170M6828

1100

2500




170M6817

170M6835

170M6829

2800

* Watts loss at rated current. 1 Clearing at 1000 V. When using these fuses, please consult our application engineers

 

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



Product Information

Open Eaton's Bussmann Division fuses and surge circuit protection ...