Catalog LV 70 2011 - Low & Medium Voltage - Siemens

© Siemens AG 2011
BD2 System — 160 ... 1250 A
Fire barrier
Fire resistance rating S120
• Wall thickness 150 mm ≤ M < 250 mm
(distance from wall/inside corner A ≥ 200 mm)
BD2A-...-L... + BD2-S120-BX*(BY*)-M* 1)
• Junction units LL, LR
M = 150 ... 250 A 200
100 100
NSV0_01029
X*(Y*)(X*(Y*) min. =
285+M+A+170)
BX*(BY*) min. =
285+M/2
810 (min.) 360 360
– – –
1250 (max.) 360 800
• Junction units LV, LH; 400 A
X*(Y*)(X*(Y*) min. =
285+M+A+70)
BX*(BY*) min. =
285+M/2
710 (min.) 360 360
– – –
1250 (max.) 360 900
• Junction units LV, LH; 1000 A
X*(Y*)(X*(Y*) min. =
285+M+A+130)
BX*(BY*) min. =
285+M/2
770 (min.) 360 360
– – –
1250 (max.) 360 840
BX*(BY*) max. =
X*(Y*)-170-A-M/2
BX*(BY*) max. =
X*(Y*)-70-A-M/2
BX*(BY*) max. =
X*(Y*)-130-A-M/2
Fire resistance rating S120
• Wall thickness M ≥ 250 mm
(distance from wall/inside corner A ≥ 200 mm)
BD2A-...-L... + BD2-S120-BX*(BY*)-M* 1)
• Junction units LL, LR
M 250 A 200
NSV0_01030
X*(Y*)(X*(Y*) min. =
185+M+A+170)
BX*(BY*) min. =
185+M/2
810 (min.) 310 310
– – –
1250 (max.) 310 750
• Junction units LV, LH; 400 A
X*(Y*)(X*(Y*) min. =
185+M+A+70)
BX*(BY*) min. =
185+M/2
710 (min.) 310 310
– – –
1250 (max.) 310 850
BX*(BY*) max. =
X*(Y*)-170-A-M/2
BX*(BY*) max. =
X*(Y*)-70-A-M/2
• Junction units LV, LH; 1000 A
X*(Y*)(X*(Y*) min. =
185+M+A+130)
BX*(BY*) min. =
185+M/2
770 (min.) 310 310
– – –
1250 (max.) 310 790
BX*(BY*) max. =
X*(Y*)-130-A-M/2
5
1) Replace the asterisk * according to the table.
Note: With other fire barrier configurations, please contact your
local Siemens sales office.
Siemens LV 70 · 04/2011
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