BD01 System – 40 ... 160 A - GRUP DAP

BD2 System — 160 ... 1250 A
© Siemens AG 2007
Fire barriers
Fire resistance class S120
• Wall thickness M ≥ 150 mm BD2C-...-S(W). + BD2-S120-BX*-M* 1)
150
185
L (L min. = 740+M) BX* min. = 370+M/2 BX*max. = L–BX* min.
900 (min.) 450 450
– – –
– – –
3250 (max.) 450 2800
185
M
NSV0_01023
1) Replace the asterisk * according to the table.
Position of the fire barrier on junction units
The minimum dimensions applicable for positioning fire barriers
on the limbs of junction units differ, depending on the routing of
the trunking and the distance from the fire wall to the inside edge
of the trunking unit.
Y* (X*)
NSV0_01025
BY* (BX*)
Y* (X*)
X* (Y*)
BY* (BX*)
170
NSV0_01024
c
X* (Y*)
e 160 ... 400 A 500 ... 1250 A
c 70
130
Elbow, type: BD2A-...-LR(L)-X* (Y*), +BD2-S90(S120)-BX*(BY*)-M*
BD2C-...-LR(L)-X* (Y*), +BD2-S120-BX*(BY*)-M*
Knee, type:
BD2A-...-LV(H)-X* (Y*), +BD2-S90(S120)-BX*(BY*)-M*
BD2C-...-LV(H)-X* (Y*), +BD2-S120-BX*(BY*)-M*
Fire resistance class S90
• Wall thickness 150 mm ≤ M < 250 mm
(distance from wall/inside corner A ≥ 200 mm)
BD2A-...-L... + BD2-S90-BX*(BY*)-M* 1)
• Junction units LL, LR
X*(Y*)(X*(Y*) min. =
185+M+A+170)
BX*(BY*) min. =
185+M/2
710 (min.) 260 260
BX*(BY*) max. =
X*(Y*)-170-A-M/2
– – –
5
A 200
150 M < 250
NSV0_01026
1250 (max.) 260 800
• Junction units LV, LH 400 A
X*(Y*)(X*(Y*) min. =
185+M+A+70)
BX*(BY*) min. =
185+M/2
610 (min.) 260 260
– – –
1250 (max.) 260 900
• Junction units LV, LH 1000 A
BX*(BY*) max. =
X*(Y*)-70-A-M/2
X*(Y*)(X*(Y*) min. =
185+M+A+130)
BX*(BY*) min. =
185+M/2
670 (min.) 260 260
BX*(BY*) max. =
X*(Y*)-130-A-M/2
– – –
1250 (max.) 260 840
1) Replace the asterisk * according to the table.
5/96 Siemens LV 70 · 2006