Bosch FCP‑320 Series - Wiring MSR 320

Conventional Automatic Fire Detectors Installation | en 13
Bosch Sicherheitssysteme GmbH
User manual
2021.03 | 11 | F.01U.004.377
4.4.2 Wiring MSR320
Maximum contact load (resistive load) of the change-over relay:
– 62.5VA: 0.5A at 125VAC
– 30W: 1A at 30VDC
NO
NC C
c
C
a1 | a2
b2
b1
COM
NC NO
wh
gn
ye
ye
1 A / 30 V DC
0,5 A / 125 V AC
V–
V+
ye yellow, connects to b1/b2 V+
wh white, connects to a1/a2 V-
gn green, connects to shielding wire
NC / C / NO Changeover relay (for the MSR320 only)