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HPB45, HPB60

HPB45, HPB60
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High-Speed DC Circuit-Breaker for Fixed Installation Type HPB45 & HPB60

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The HPB45 & HPB60 are DC high-speed current limiting air Circuit-Breakers, trip free, single pole, bi-directional, with electromagnetic blow-out, electric control circuits and direct over-current release. & HPB60 range a very high reliability and an exceptionally long life time. With its proven worldwide experience and acceptance, Sécheron's range of Circuit-Breakers offers you the key product for such a strategic and critical application that is to guarantee the highest safety to your equipment as well as to the people operating it and using it. Their simple design and high insulation...

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Track line supplied by a rectifier d: duty d - distant fault e: duty e - maximum energy f: duty f - maximum fault current Breaking current parameters I Iss Îss INss Id Icut off Ûarc UNe di/dt tc tl TNc Prospective sustained short-circuit current Peak of Iss Rated short-circuit current of the circuit-breaker Setting of maximum current release Cut off current Maximum arc voltage Rated operational voltage Initial current rate of rise Time-constant of the circuit Opening time Rated track time constant of the circuit-breaker Designation code (standard version) Type designation Designation Code...

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Technical data Symbol Unit MAIN CIRCUIT Conventional free air thermal current (Tamb=+40°C) - acc. to EN50123-2 / IEC61992-2 - acc. to ANSI C37.14-2002 - acc. to IEC60947 Rated service current Rated voltage - arc chute type 81 - arc chute type 82 Rated insulation voltage Rated impulse withstand voltage Nominal voltage Nominal closing power (Tamb=+20°C) Rated short-circuit making & breaking capacity INSS / TNc - at UNe 900 Vdc - at UNe 1800 Vdc [kA]/[ms] [kA]/[ms] Direct over-current instantaneous release Power frequency withstand voltage (50 Hz, 1 min) CONTROL CIRCUIT Nominal holding power...

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Main dimensions Circuit breakers weights [kg]

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Insulating distances At maximum short-circuit breaking capacity. For smaller short-circuit values, smaller distances can be used. Grid with 50% surface opening Insulated grid Insulated grid

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Options (subject to additional costs) Type designation Nominal control voltage Indirect release Manual release Manual closing device Position indicator Over-current release indicator Designation Code Indirect release The indirect release enables to shorten the opening time when required by specific appli- cation. The choice of the relevant type has to be validated by Secheron prior quoting. Type Mechanical opening time Control mode * Not included in the DC circuit-breaker, to be ordered separately. release indicator

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Position indicator Manual release Manual closing device Sécheron SA Rue du Pré-Bouvier 25 1217 Meyrin - Geneva CH-Switzerland This document is not contractual and contains information corresponding to the level of technology at the date of printing. Sécheron reserves the right to modify and/or improve the product, whose characteristics are described in these documents, as required by new technology at any time. It is the purchaser's responsibility to inform himself, no matter what the circumstances, of the product's maintenance conditions and requirements. Sécheron reserves all rights,...

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