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L
SN 0300 A
AUX1 LSN1 AUX2 LSN2
+ – a– b+ + – a– b+
a1
b1
a2
b2
FNM-420-A/-B
FNM-420U-A / -B
FNM-420V-A
FNM-420-A/-B
FNM-420U-A/-B
FNM-420V-A
FNM-420-A/-B
FNM-420U-A/-B
FNM-420V-A
a2 a1 b2 b1 0V +U
a2 a1 b2 b1 0V +U
a2 a1 b2 b1 0V +U
Modular Fire Panel
Wiring | en 237
Bosch Sicherheitssysteme GmbH
Wiring Guide
2016.07 | 12.6 | F.01U.009.201