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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

DFJ Class J high speed fuses

Catalog symbol:DFJ -_

Description:

The Bussmann™ series DFJ drive fuse is a high speed, current-limiting fuse that provides maximum protection for AC and DC drives and controllers and meet NEC® branch circuit protection requirements. The drive fuse has the lowest I2t of any branch circuit fuse to protect power semiconductor devices that utilize diodes, GTOs, SCRs and SSRs.

 

Specifications:

Ratings

Volts

  • 600Vac (or less)

  • 450Vdc (or less, 15-600A)

Amps :1-600A

IR:

  • 200kA RMS Sym.

  • 100kA DC.

Agency information

  • UL® Listed Standard 248-8, Class J, Guide JDDZ, File E4273

  • CSA® Certified, C22.2 No. 248.8, Class 1422-02, File 53787

  • RoHS compliant

  • CE

Features:

  • Easily coordinated with existing and new variable speed drives and electric controllers.

  • Standard Class J dimensions allow using readily available fuse blocks, holders and switches.

  • Has the lowest let-through energy of any branch circuit overcurrent protective device

Typical applications

  • Protection of AC and DC drives

  • Equipment using power semiconductor devices

Catalog Numbers (Amps)

Catalog Numbers (Amps)

Catalog Numbers (Amps)

Catalog Numbers (Amps)

Catalog Numbers (Amps)

DFJ-1

DFJ-15

DFJ-60

DFJ-200

DFJ-2

DFJ-17-1/2

DFJ-70

DFJ-225

DFJ-3

DFJ-20

DFJ-80

DFJ-250

DFJ-4

DFJ-25

DFJ-90

DFJ-300

DFJ-5

DFJ-30

DFJ-100

DFJ-350

DFJ-6

DFJ-35

DFJ-110

DFJ-400

DFJ-8

DFJ-40

DFJ-125

DFJ-450

DFJ-10

DFJ-45

DFJ-150

DFJ-500

DFJ-12

DFJ-50

DFJ-175

DFJ-600

Carton Quantity

Amp Rating

Carton Qty.

1-60

10

70-200

5

225-600

1

Electrical characteristics:

Catalog number

Amps

I 2 t (A2 Sec) @ 600Vac/100kA

Watts loss

Pre-arc

Clearing

DFJ-15

15

4

110

4.1

DFJ-20

20

8

365

4

DFJ-25

25

12

610

4.9

DFJ-30

30

20

1000

5.5

DFJ-35

35

55

1100

6.8

DFJ-40

40

90

1900

8.6

DFJ-50

50

140

2800

8.7

DFJ-60

60

290

6000

8.5

DFJ-70

70

450

3100

12

DFJ-80

80

650

4600

13

DFJ-90

90

1010

7200

13

DFJ-100

100

1460

10500

13

DFJ-110

110

1710

9500

17

DFJ-125

125

3580

20000

15

DFJ-150

150

5080

28000

19

DFJ-175

175

6310

35000

23

DFJ-200

200

9850

54500

24

DFJ-225

225

11420

51000

29

DFJ-250

250

17000

74500

30

DFJ-300

300

23500

103000

36

DFJ-350

350

38800

170000

39

DFJ-400

400

62200

272000

40

DFJ-450

450

44600

270000

45

DFJ-500

500

79500

480000

52

DFJ-600

600

138000

830000

57

Recommended fuse blocks and holders:

Fuse amps

1-Pole

2-Pole

3-Pole

“Pyramid” blocks (data sheet No. 1108) 

Up to 30

-

-

JP60030-3_

CH holders (data sheet No. 2144)

Up to 30

CH30J1_

CH30J2_

CH30J3_

35-60

CH60J1_

CH60J2_

CH60J3_

Safety J™ holders (data sheet No. 1152)

Up to 30

JT60030_

-

-

35-60

JT60060_

-

-

JM modular fuse blocks (data sheet No. 3192 and 10289)

Up to 30

JM60030-1_

JM60030-2_

JM60030-3_

35-60

JM60060-1CR

JM60060-2CR

JM60060-3CR

70-100

JM60100-1CR

JM60100-2CR

JM60100-3CR

110-200

JM60200-1CR

JM60200-2CR

JM60200-3CR

225-400

JM60400-1CR

JM60400-2CR

JM60400-3CR

450-600

JM60600-1CR

JM60600-2CR

JM60100-3CR

JM power distribution fuse blocks (data sheet No. 10192)

Up to 30

JM60030-1MW_

JM60030-2MW_

JM60030-3MW_

35-60

JM60060-1MW_

JM60060-2MW_

JM60060-3MW_

70-100

JM60100-1MW14

JM60100-2MW14

JM60100-3MW14

110-200

JM60200-1MW16

JM60200-2MW16

JM60200-3MW16

225-400

JM60400-1MW16

JM60400-2MW16

JM60400-3MW16

JM60400-1MW26 *

JM60400-2MW26 *

JM60400-3MW26 *

* Lineside dual box lug terminal.

 

PRE - ORDER NOW
The Bussmann™ series DFJ drive fuse is a high speed, current-limiting fuse that provides maximum protection for AC and DC drives and controllers and meet NEC® branch circuit protection requirements. The drive fuse has the lowest I2t of any branch circuit fuse to protect power semiconductor devices that utilize diodes, GTOs, SCRs and SSRs.

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Code

DFJ Series Class J 600Vac High Speed Drive Fuses