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Technical Data1017

Effective May 2016

Eaton.com/bussmannseries

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product information,

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Eaton, Bussmann and Fusetron are

valuable trademarks of Eaton in the US

and other countries. You are not permitted

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UL is a registered trademark of the

Underwriters Laboratories, Inc.

Eaton

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Cleveland, OH 44122

United States

Eaton.com

Bussmann Division

114 Old State Road

Ellisville, MO 63021

United States

Eaton.com/bussmannseries

© 2016 Eaton

All Rights Reserved

Printed in USA

Publication No. 1017 – BU-MC16054

May 2016

The only controlled copy of this Data Sheet is the electronic read-only version located on the Eaton Network Drive. All other copies of this

document are by definition uncontrolled. This bulletin is intended to clearly present comprehensive product data and provide technical

information that will help the end user with design applications. Eaton reserves the right, without notice, to change design or construction

of any products and to discontinue or limit distribution of any products. Eaton also reserves the right to change or update, without notice,

any technical information contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible

applications.

Fusetron™ 600 V Class RK5 FRS-R — 600 Vac/

300 Vdc, 1⁄10-60 A, dual element, time-delay fuses

Current-limitation curves

400000

9000

8000

7000

6000

300000

200000

100000

5000

4000

90000

3000

2000

1000

80000

70000

60000

B

A

50000

40000

30000

20000

10000

30A

60A

RMS Stmmetrical current in amps

A-B = asymmetrical available peak (2.3 x sym RMS amps)

Current-limiting effects

Prosp.

S.C.C.

Let-through current

(apparent RMS symmetrical vs. fuse rating)

—

30A

60A

5000

1000

1000

10,000

1000

2000

15,000

1000

2000

20,000

2000

2000

25,000

2000

2000

30,000

2000

3000

35,000

2000

3000

40,000

2000

3000

50,000

2000

3000

60,000

2000

3000

70,000

3000

4000

80,000

3000

4000

90,000

3000

4000

100,000

3000

4000

150,000

3000

5000

200,000

4000

6000