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EATON Bussmann Series HCLS Fuses


Eaton Bussman Series HCLS fuses are low-voltage fuses designed for electrical power distribution systems. These units feature time-current characteristics to ensure tripping in case of an overcurrent situation to protect the downstream equipment. They also deliver high interrupting capacity and... low let-through energy in the event of a fault. Eaton fuses are typically used to protect large electrical equipment, such as transformers, switchgears, and motor control centres. Selected models come with a bolt-in mounting facility to allow quick installation in a factory setup.Read more

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EATON 2HCLS-230A
EATON 5HCLS-18RB
StyleModelPrice (ex. VAT)
A
2HCLS-230		€5,294.14
A
2HCLS-200		€4,897.08
A
5HCLS-12R		€6,334.07
A
5HCLS-4R		€3,267.24
A
5HCLS-3R		€3,025.22
A
5HCLS-6R		€4,658.84
B
5HCLS-18R		€8,629.45
B
5HCLS-24R		€9,071.90
A
5HCLS-9R		€4,874.40

Working Mechanism

  • These fuses use a fuse element (made of a metal alloy) designed to melt when the current flow exceeds a certain level.
  • The heat generated by the current causes the element to melt, opening the circuit and interrupting the current flow.
  • When the current is too low, the element remains intact and lets the current flow through the circuit without interruption, protecting the downstream equipment from any damage and minimising fire risks.

Frequently Asked Questions

What is meant by the let-through energy of HCLS fuses?

The let-through energy of HCLS fuses is significantly low, which means that in the event of a fault, these fuses will allow a minimal amount of energy to pass through before they open.

Are HCLS fuses interchangeable?

No, these fuses are not interchangeable with other fuse types. The user must ensure the correct fuse for the application and verify its size and ratings before use.

What is the time-current characteristic curve of a fuse?

A time-current characteristic curve determines how long the fuse will take to open (blow) at a given rate of current. It also helps to understand which fuse will trip first in the case of multiple fuses in a series.

What are double barrel fuses?

Double barrel fuses have two fuse elements connected in parallel to protect electrical systems against overcurrent and short circuit conditions. These barrels are commonly used in situations where multiple circuits feed into a common load. This way, the system can be protected by two independent fuses rated for different current levels. Hence, one fuse will operate before the other in case of a fault.

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