Bosch PRAESENSA - 3.3 System Controller | PRA-SCL | PRA-SCM | PRA-SCS

28 en | Installation wiring PRAESENSA
2021.12.21 | V0.15b | F.01U.402.882
Underwriters Laboratories Listing Document (ULLD)
Bosch Security Systems B.V.
3.3 System controller | PRA-SCL | PRA-SCM | PRA-SCS
3.3.1 Connections
Figure3.1: Rear view connections
Rear panel connections
Chassis ground 24 to 48VDC input A‑B
24 - 48 V
Memory card Network port 1‑5
1
Field connections
Connection Field
wiring
Circuit class /
Ilimited IMax
/ minimum AWG Remarks
Chassis ground - - -
24 to 48VDC input A‑B NO* Class 2
power limited
Wiring: 30-14 AWG.
Network port 1‑5 NO* Class 2
power limited
ClassN
*Must stay within same room <20ft and within metal conduit.