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BRAND :  COOPER BUSSMANN（EATON‘S) 

CHSF系列，紧凑型高速熔断器

Product Information

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

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emmet  BM & CRO

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Product description: 

Eaton answers the call for compact drives, power conversion and UPS equipment with our new Bussmann® series compact high speed fuses.


Our 50-400 amp fuses use up to 48% less enclosure space when compared with traditional high speed, round body fuses. What’s more, the innovative design allows for a significantly smaller package without compromising heat rise performance.


With the most compact high speed 500Vac/dc fuses in the industry, we help you achieve smaller overall equipment designs.


Features and benefits:

• Using up to 48% less enclosure space allows for a reduction in the overall size of power conversion equipment

• Innovative design allows for a significantly smaller package without compromising heat rise performance, preventing extensive equipment redesign.

• Global acceptance with UL®, CSA® and IEC® for products sold worldwide.

• Bolt-on design provides design flexibility for installation in fuse blocks or direct mounting on busbars.


Specifications Ratings 

• Volts - 500Vac/dc 

• Amps – 50-400A 

• Interrupting rating 

• Max AC – 200kA 

• Min AC 400% 

• Max DC – 50kA 

• Min DC 800% 

• Conforms to IEC® aR specifications for shortcircuit protection


Agency information 

• UL Recognized, File E56412, Guide JFHR2 

• CSA Component Acceptance, Class 1422-30, File 53787 

• IEC aR (self certified) 

• CE 

• RoHS compliant 

• REACH declaration available upon request


Catalog numbers:




Watts   loss / percent of rated current
Catalog numberAmpsAC/DC   I2t (A2s) pre-arcingAC*   I2t (A2s) total clearDC**   I2t (A2s) total clear@   80%@   50%
CHSF-505030418759353.81.3
CHSF-6060438270013464.51.5
CHSF-7070596367518335.31.8
CHSF-8080778480023946.12
CHSF-1001001216750037407.62.5
CHSF-125125204212,7216465123.6
CHSF-150150294118,318930914.34.3
CHSF-175175400324,93312,67116.75.1
CHSF-200200522832,56616,55019.15.8
CHSF-225225683548,02821,27826.17
CHSF-250250843859,29326,270297.8
CHSF-30030012,15185,38237,82834.89.4
CHSF-35035016,539116,21551,48840.610.9
CHSF-40040021,603151,79167,25046.412.5
*   @ 200kA/500Vac.
**   @ 50kA/500Vdc.







emmet  BM & CRO 

          Best Solution For Your Business.  


The protection you rely on.

             The Bussmann brand continues to reflect a long-standing tradition of providing fusible circuit protection and electrical safety solutions that protect equipment and enable reliable, efficient power distribution.

             When you bring together the industry’s top innovator in fuse technology with unmatched expertise in circuit breakers you get leadership in circuit protection. Eaton’s heritage in circuit breaker development coupled with the number one Bussmann brand in fuses,means the choice is no longer fuse or breaker. Its fuse and breaker.


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