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Technical Disclaimer:
The catalog number(s) suggested in the Bussmann series Fuse Selector represents the closest Bussmann series fuse(s) based upon the entered selected search attributes. It is the responsibility of the user to review the product specifications to determine suitability for the intended application.

Eaton Bussmann

Square Body Flush End Contact - 1250V/1300V (IEC/UL): 50-1400A

Description

Square body flush-end contact high speed fuses, for the protection of DC common bus, DC drives, power converters/rectifiers and reduced rated voltage starters. Catalog numbers come with Type K indicator for use with microswitches.

 

Specifications

Ratings

• Volts:

• 1250 Vac (IEC)

• 1300 Vac (UL)

• Amps: 50-1400 A

• Interrupting rating: 100 kA RMS Sym.

 

Operating class: aR

 

Agency information

• Designed and tested to IEC 60269 Part 4

• UL Recognized, E125085, JFHR2 *

• CSA Class 53787, File 1422-30 *

• CE

* Consult your Bussmann series product representative status

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.

Catalog Numbers

Catalog Numbers (Amps)

Electrical Characteristics

-BKN/75 Type K Indicator for Micro

-BKN/80 Type K Indicator for Micro

-BKN/90 Type K Indicator for Micro

-GKN75- Type K Indicator for Micro

-GKN/90- Type K Indicator for Micro

Fuse Size

Rated Current RMS-Amp

170M3388

170M3438

 

170M3488

 

1 *

50

170M3389

170M3439

 

170M3489

 

63

170M3390

170M3440

 

170M3490

 

80

170M3391

170M3441

 

170M3491

 

100

170M3392

170M3442

 

170M3492

 

125

170M3393

170M3443

 

170M3493

 

160

170M3394

170M3444

 

170M3494

 

200

170M3395

170M3445

 

170M3495

 

250

170M3396

170M3446

 

170M3496

 

315

170M3397

170M3447

 

170M3497

 

350

 

170M3448

 

 

 

400

170M4388

170M4438

 

170M4488

 

1

160

170M4389

170M4439

 

170M4489

 

200

170M4390

170M4440

 

170M4490

 

250

170M4391

170M4441

 

170M4491

 

315

170M4392

170M4442

 

170M4492

 

350

170M4393

170M4443

 

170M4493

 

400

170M4394

170M4444

 

170M4494

 

450

170M4395

170M4445

 

170M4495

 

500

170M4396

170M4446

 

170M4496

 

550

170M4397

170M4447

 

170M4497

 

630

170M5388

170M5438

 

170M5588

 

2

250

170M5389

170M5439

 

170M5589

 

280

170M5390

170M5440

 

170M5590

 

315

170M5391

170M5441

 

170M5591

 

350

170M5392

170M5442

 

170M5592

 

400

170M5393

170M5443

 

170M5593

 

450

170M5394

170M5444

170M5494

170M5594

170M5644

500

170M5395

170M5445

170M5495

170M5595

170M5645

550

170M5396

170M5446

170M5496

170M5596

170M5646

630

170M5397

170M5447

170M5497

170M5597

170M5647

700

170M5398

170M5448

170M5498

170M5598

170M5648

800

 

 

170M5499

 

170M5649

900

 

 

170M5500

 

170M5650

1000

170M6338

170M6538

 

170M6588

 

3

315

170M6339

170M6539

 

170M6589

 

350

170M6340

170M6540

 

170M6590

 

400

170M6341

170M6541

 

170M6591

 

450

170M6342

170M6542

 

170M6592

 

500

170M6343

170M6543

 

170M6593

 

550

170M6344

170M6544

170M6494

170M6594

170M6644

630

170M6345

170M6545

170M6495

170M6595

170M6645

700

170M6346

170M6546

170M6496

170M6596

170M6646

800

170M6347

170M6547

170M6497

170M6597

170M6647

900

170M6348

170M6548

170M6498

170M6598

170M6648

1000

170M6349

170M6549

170M6499

170M6599

170M6649

1100

 

 

170M6500

 

170M6650

1250

 

 

170M6501

 

170M6651

1400

†Rated voltage (IEC) 1100V.

‡Rated voltage (IEC) 1000V.

¥Rated voltage (IEC) 1250V.

• Watts loss provided at rated current.

• Microswitch indicator ordered separately. See accessories on pages 185-186. • For fuse curves see pages 166 and 167.

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

PRE - ORDER NOW
Manufacturer Part Number: 170M *
Series: European standard cube 1250/1300V 50-1400A
Current: 50-1400A
Voltage: 1250/1300Vac (IEC/UL)
Breaking capacity: 100 kA RMS Sym.
Certification:- CE
-Designed and tested to IEC 60269: Part 4
-UL Recognized (Consult Bussmann product representative for UL Recognized/CSA Component Acceptance status)

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Code

European standard square flat end 1250/1300V 50-1400A