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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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.