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BZ-20/S - Autronica - Autronica Fire and Security

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Zenerbarriereenhet<br />

Zener Barrier Unit<br />

<strong>BZ</strong>-<strong>20</strong>/S<br />

Anvendelse:<br />

<strong>BZ</strong>-<strong>20</strong>/S er en AC-zenerbarriere beregnet for installasjon<br />

av konvensjonelle detektorer i eksplosjonsfarlige<br />

områder. (Sone 1 og sone 2).<br />

Enheten er beregnet for bruk sammen med sentral<br />

type BX-40.<br />

Prinsipp:<br />

<strong>BZ</strong>-<strong>20</strong>/S skal monteres i sikkert område. Enheten har<br />

innebygget 1 - 2 stk. zenerbarrierer, som hver kan<br />

tilkobles en detektorsløyfe med 1 - 10 detektorer<br />

avhengig av gassgruppe og detektortype.<br />

Application:<br />

<strong>BZ</strong>-<strong>20</strong>/S is an AC-zener barrier unit designed for<br />

installation of conventional detectors in hazardous<br />

areas. (Zone 1 <strong>and</strong> zone 2).<br />

<strong>BZ</strong>-<strong>20</strong>/2 is intended for use with central panel<br />

BX-40.<br />

Principle:<br />

<strong>BZ</strong>-<strong>20</strong>/S is to be mounted in safe area. It has<br />

built-in 1 - 2 pcs. of zener barriers, each able to<br />

accept 1 detector loop with 1 - 10 detectors<br />

depending upon gas group <strong>and</strong> detector type.<br />

Versjoner:<br />

<strong>BZ</strong>-<strong>20</strong>/1S<br />

<strong>BZ</strong>-<strong>20</strong>/2S<br />

<strong>BZ</strong>-<strong>20</strong>/1<br />

<strong>BZ</strong>-<strong>20</strong>/2<br />

- 1 sløyfe - for BX-40<br />

- 2 sløyfer - for BX-40<br />

- St<strong>and</strong>ard utgave*<br />

- St<strong>and</strong>ard utgave*<br />

Versions:<br />

<strong>BZ</strong>-<strong>20</strong>/1S<br />

<strong>BZ</strong>-<strong>20</strong>/2S<br />

<strong>BZ</strong>-<strong>20</strong>/1<br />

<strong>BZ</strong>-<strong>20</strong>/2<br />

- 1 loop - for BX-40<br />

- 2 loops - for BX-40<br />

- St<strong>and</strong>ard version*<br />

- St<strong>and</strong>ard version*<br />

* Se eget datablad.<br />

* See separate data sheet.<br />

Protecting life, environment <strong>and</strong> property . . .<br />

P-<strong>BZ</strong><strong>20</strong>S/CCX,Rev. C, <strong>20</strong>05-08-29


Tekniske data/Technical data: <strong>BZ</strong>-<strong>20</strong>/S<br />

Dimensjoner (HxBxD) /<br />

Dimensions (HxWxD)<br />

Vekt / Weight (<strong>BZ</strong>-<strong>20</strong>/2)<br />

: 2<strong>20</strong> x 168 x 145 mm<br />

: Max. 800 g<br />

Tilkobling / Connection:<br />

Materiale / Materials : Polykarbonat /<br />

Polycarbonate<br />

Driftsspenning /<br />

Working voltage<br />

: 14 V DC<br />

Strømforbruk /<br />

Current consumption<br />

: 0 mA<br />

Miljøkrav /<br />

Environment requirement : EN 500<strong>20</strong><br />

Beskyttelsesgrad /<br />

Degree of protection : IP 55<br />

Temperatur / Temperature : - <strong>20</strong> / + 70°C<br />

Fuktighet / Humidity<br />

Ingen kondensering /<br />

Non condensing.<br />

: Max. 95% R.H.<br />

Maksimalverdier for innebygget zenerbarriere<br />

Z667/Ex/<br />

Maximum values for built-in zener barrier Z667/<br />

Ex:<br />

C max<br />

gas group IIC<br />

C max<br />

gas group IIB<br />

C max<br />

gas group IIA<br />

: 0,44 mF (0,38 mF)*<br />

: 1,32 mF (1,14 mF)*<br />

: 3,52 mF (3,04 mF)*<br />

Den totale kapasitansen (inkl. kabel) i hver sløyfe<br />

må ikke overstige C max.<br />

.<br />

The total capacitance (cable incl.) in each branch<br />

must not exceed C max<br />

.<br />

* Verdier for barriere Z967 / values for barrier Z967<br />

Vedlikehold / Maintenance: Ingen / None<br />

Godkjenninger / Approvals:<br />

Barrier Certificate Baseefa No. Ex 82<strong>20</strong>97.(Z667/<br />

Ex)<br />

BAS 01ATEX 7005 (Z976)<br />

BXY-40/Ex<br />

END LOAD<br />

3-4<br />

3-4<br />

3-4<br />

D<br />

D<br />

D<br />

3x1,5mm 2<br />

PE<br />

PE<br />

PE<br />

1+2<br />

1+2<br />

1+2<br />

1*<br />

PE<br />

2*<br />

8*<br />

Sløyfe 1 inn<br />

Loop 1 in<br />

Zener<br />

barrier<br />

4*<br />

5*<br />

BXY-40/Ex<br />

END LOAD<br />

3-4<br />

3-4<br />

3-4<br />

D<br />

D<br />

D<br />

3x1,5mm 2<br />

2x1mm 2<br />

PE<br />

PE<br />

PE<br />

PE<br />

1+2<br />

1+2<br />

1+2<br />

Zener<br />

barrier<br />

Bare Exi-godkjente<br />

detektorer /<br />

Exi-approved<br />

detectors only<br />

Sløyfe 2 inn<br />

Loop 2 in<br />

* Terminalverdier for Z-967/<br />

Terminal numbers of Z967<br />

FARLIG OMRÅDE<br />

HAZARDOUS AREA<br />

SAFE AREA<br />

SIKKERT OMRÅDE<br />

EARTH<br />

Subject to changes without notice / Med forbehold om endringer uten forutgående varsel.<br />

Your local dealer:<br />

<strong>Autronica</strong> <strong>Fire</strong> <strong>and</strong> <strong>Security</strong> AS<br />

<strong>Fire</strong> <strong>and</strong> <strong>Security</strong>, Trondheim, Norway. Phone: +47 73 58 25 00, fax: +47 73 58 25 01.<br />

Oil & Gas, Stavanger, Norway. Phone: +47 51 84 09 00, fax: +47 51 84 09 99.<br />

Maritime Div. Spikkestad, Norway. Phone: +47 31 29 55 00, fax: +47 31 29 55 01<br />

Visit <strong>Autronica</strong> <strong>Fire</strong> <strong>and</strong> <strong>Security</strong>'s Web site: www.autronicafire.com

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