Siemens SCALANCE W744-1PRO - Page 44

Technical specifications
6.1 Technical specifications for the SCALANCE W788-xPRO/RR and W74x-1PRO/RR
SCALANCE W788-xPRO/RR / W74x-1PRO/RR
44 Operating Instructions, 07/2014, A5E02280448-08
Power • M12 connector 24 VDC, 48 VDC
(minimum permitted voltage 18 VDC, maximum
permitted voltage 57 VDC)
• Power contacts in hybrid connector 24 VDC, 48
VDC
(minimum permitted voltage 18 VDC, maximum
permitted voltage 57 VDC)
• RJ-45 jack Power over Ethernet (48 VDC)
The following applies to all named power
contacts:
Power supply cables isolated according to IEEE
802.3af, isolation resistance > 2 Mohms.
Data IE IP67 hybrid connector
R-SMA antenna sockets
(2 x or 4 x with the 788-2PRO)
Electrical data
Maximum power consumption
< 9 W
Typical power consumption (a wireless card) 6 W
Typical power consumption (two wireless cards) 7 W
Construction
Dimensions without antennas
(W x H x L)
125 mm x 88 mm x 108 mm
Weight
approx. 1050 g
Permitted ambient conditions
Operating temperature
-20°C to 60°C
Transportation/storage temperature
-40°C to 70°C
Degree of protection
Tested to IP65
MTBF information (mean time between failure)
MTBF
67 years