Catalog LV 70 2011 - Low & Medium Voltage - Siemens

BD2 System — 160 ... 1250 A
© Siemens AG 2011
Fire barrier
Fire resistance rating S120
• Wall thickness 150 mm ≤ M < 250 mm
(distance from wall/inside corner 30 mm ≤ A < 200 mm)
BD2A-...-L... + BD2-S120-BX*(BY*)-M* 1)
• Junction units LL, LR
A 30 ... 190
100
X*(Y*)(X*(Y*) min. =
285+M+A+170)
BX*(BY*) min. =
285+M/2
640 (min.) 360 360
– – –
1250 (max.) 360 970
BX*(BY*) max. =
X*(Y*)-170-A-M/2
M =150 ... 250
100
NSV0_01031
• Junction units LV, LH; 400 A
X*(Y*)(X*(Y*) min. =
285+M+A+70)
BX*(BY*) min. =
285+M/2
540 (min.) 360 360
– – –
1250 (max.) 360 1070
BX*(BY*) max. =
X*(Y*)-70-A-M/2
• Junction units LV, LH; 1000 A
X*(Y*)(X*(Y*) min. =
285+M+A+130)
BX*(BY*) min. =
285+M/2
BX*(BY*) max. =
X*(Y*)-130-A-M/2
600 (min.) 360 360
– – –
1250 (max.) 360 1010
The dimension X* min or Y* min on the side with corner covering is
460 mm.
Fire resistance rating S120
• Wall thickness M ≥ 250 mm
(distance from wall/inside corner 30 mm ≤ A < 200 mm)
BD2A-...-L... + BD2-S120-BX*(BY*)-M* 1)
• Junction units LL, LR
A 30 ... 190
100
X*(Y*)(X*(Y*) min. =
185+M+A+170)
BX*(BY*) min. =
185+M/2
640 (min.) 310 310
– – –
1250 (max.) 310 920
BX*(BY*) max. =
X*(Y*)-170-A-M/2
M 250
NSV0_01032
• Junction units LV, LH; 400 A
X*(Y*)(X*(Y*) min. =
185+M+A+70)
BX*(BY*) min. =
185+M/2
540 (min.) 310 310
– – –
1250 (max.) 310 1020
BX*(BY*) max. =
X*(Y*)-70-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.
• Junction units LV, LH; 1000 A
X*(Y*)(X*(Y*) min. =
185+M+A+130)
BX*(BY*) min. =
185+M/2
BX*(BY*) max. =
X*(Y*)-130-A-M/2
600 (min.) 310 310
– – –
1250 (max.) 310 960
The dimension X* min or Y* min on the side with corner covering is
460 mm.
5/98 Siemens LV 70 · 04/2011