Catalog LV 70 2011 - Low & Medium Voltage - Siemens
Catalog LV 70 2011 - Low & Medium Voltage - Siemens
Catalog LV 70 2011 - Low & Medium Voltage - Siemens
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BD2 System — 160 ... 1250 A<br />
© <strong>Siemens</strong> AG <strong>2011</strong><br />
Fire barrier<br />
■ Design<br />
Position of fire barrier on the trunking unit<br />
L<br />
250<br />
NSV0_01019<br />
BX*<br />
Type:<br />
BD2A-...-S(W).-. + BD2-S90(S120)-BX*-M*<br />
BD2C-...-S(W).-. + BD2-S120-BX*-M*<br />
Fire resistance rating S90<br />
• Wall thickness M ≥ 150 mm BD2A-...-S(W). + BD2-S90-BX*-M* 1)<br />
150<br />
L (L min. = 3<strong>70</strong>+M) BX* min. = 185+M/2 BX*max. = L–BX* min.<br />
520 (min.) 260 260<br />
– – –<br />
– – –<br />
3250 (max.) 260 2990<br />
M<br />
NSV0_01020<br />
Fire resistance rating S120<br />
• Wall thickness 150 mm ≤ M < 250 mm BD2A-...-S(W). + BD2-S120-BX*-M* 1)<br />
L (L min. = 5<strong>70</strong>+M) BX* min. = 285+M/2 BX*max. = L–BX* min.<br />
720 (min.) 360 360<br />
5<br />
M = 150 ... 250<br />
100<br />
100<br />
NSV0_01021<br />
– – –<br />
– – –<br />
3250 (max.) 360 2890<br />
• Wall thickness M ≥ 250 mm BD2A-...-S(W). + BD2-S120-BX*-M* 1)<br />
250<br />
L (L min. = 3<strong>70</strong>+M) BX* min. = 185+M/2 BX*max. = L–BX* min.<br />
620 (min.) 310 310<br />
– – –<br />
– – –<br />
3250 (max.) 310 2940<br />
M<br />
NSV0_01022<br />
1) Replace the asterisk * according to the table.<br />
5/94 <strong>Siemens</strong> <strong>LV</strong> <strong>70</strong> · 04/<strong>2011</strong>
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