hws Air circuit brea­kers
Guaranteed Prot­ection


High perfo­rmance and modular design for reli­able power prot­ection.


Disc­over the power and reli­a­bility of hws air circuit brea­kers (ACB) – engin­e­ered to handle currents from 630A to 4000A with an ulti­mate brea­king capacity up to 85kA. Feat­uring a modular design, these brea­kers provide vers­atile funct­i­o­n­a­lity through a wide range of acce­s­s­ories, coupled with advanced inte­l­li­gent prot­ection cont­ro­l­lers for enhanced safety and perfo­rmance.


Ideal for resid­e­ntial and comme­rcial projects, hws ACBs deliver supe­rior dura­bility, ease of operation, and depe­nd­able prot­ection. Upgrade your elect­rical system with hws ACBs for unmatched safety and effic­i­ency in every applic­ation.

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Safe, reli­able & flex­ible power solut­ions

 
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Flex­i­bility & adapta­bility

Two opti­m­ised frame sizes: Avai­lable with a current range of 630A to 4000A, our circuit brea­kers are suit­able for a variety of diverse applic­at­ions. No de-rating up to 50˚C, desi­gned to operate effic­i­e­ntly even in high tempe­rature envi­ronments


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Perfo­rmance and reli­a­bility

Icu = Ics = Icw (1sec) ensures total select­i­vity and optimum prot­ection against high short circuit faults. Brea­king capacity adapted to various needs, guarant­e­eing reli­able prot­ection.

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Advanced prot­ection

Micro­p­roc­e­ssor based trip unit offers LSI and LSIG vers­ions with advanced prot­ect­ions, power and energy measurements. Zone Selective Inte­rlock (ZSI) provides inte­l­li­gent disc­ri­m­in­ation for enhanced prot­ection.

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Easy instal­lation and use

The use of rotatable conn­ect­ions facil­itates horizontal and vert­ical busbars, simpli­fying instal­lation for panel builders. Comp­lete range avai­lable in drawout or fixed vers­ions, manual or electric operation, circuit breaker or disc­o­n­n­ector version.
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Acce­s­s­ories and easy mainte­n­ance

Acce­s­s­ories and easy mainte­n­ance include options for locking and inte­rloc­king, safety and security, status display for mainte­n­ance and exte­nded equi­pment life.

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Commun­ic­ation, monito­ring and control

Comp­atible with Energy Manag­ement systems which include RS485 Modbus commun­ic­ation for effic­ient monito­ring and control.

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Cert­i­fied safety & supe­rior perfo­rmance

Expe­ri­ence unmatched safety, reli­able perfo­rmance, and instal­lation flex­i­bility with hws air circuit brea­kers. 

Techn­ical characte­ristics: 

- Conforms to IEC 60947-2

- Current Range: 630A – 4000A in 2 frame sizes HWS2 and HWS4

- Circuit brea­kers shall be: 3-pole or 4-pole version

- Brea­king capacity of 50kA, 66kA and 85kA

- Ics = 100%Icu = Icw for 1 second

- Fixed or draw out type with moulded contact chamber design

- Poll­ution degree 4 - ideal for harsh industrial envi­ronments

- Operation at 50°C (ambient tempe­rature) without derating

- Elect­ronic prot­ection trip units with LSI or LSIG prot­ection

- Vert­ical or Horizontal conve­rt­ible Rear Conn­ect­ions till 4000A

 

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Advantages for our Partners

Hager offers solut­ions tailored to your business and your requirements.
Ranges desi­gned to meet your working requirements: ease, speed and peace of mind.

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Cons­ultant

 – Enhanced trip­ping info­rmation and live sett­ings on trip unit display.
– Inte­g­rated MODBUS, hence less wiring and comp­l­e­xity.
– Inbuilt TRIP test through trip unit to ensure utmost safety.
– No de-rating at higher ambient tempe­rature of 50°C.

 
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Panel Builder

– Rotatable Vert­ical / Horizontal conn­ect­ions for flex­i­bility.
– Motor + Coils can be deli­vered pre-assem­bled to save time.
– Pate­nted door flange mounting without drill.
– Comp­ati­bility with copper & alum­inium busbar.
– Screw less term­inal block: user frie­ndly wiring.
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Inte­g­rator

– The agardio ecos­ystem enables you to opti­mise the inte­g­ration and comm­iss­io­ning of the solution.
– Quick, secure conn­ection.
– Cut your instal­lation prog­ramming time by up to 80 %.
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Facility manager

– Breaker health status through contact wear indic­ation for easy mainte­n­ance.
– Inbuilt harmo­nics anal­ysis up to 31st order to manage power quality.
– Inte­g­rated advanced prot­ect­ions and load manag­ement.

Cata­lo­gues & broc­h­ures to guide you better

Have a question?

Our team of techn­ical experts are on hand and ready to answer any quest­ions you may have!

Contact us