Technical specifications
SCALANCE W778-1 /W738-1
60
Operating Instructions, 07/2020, C79000-G8976-C450-06
Technical specifications
Antenna connector
Quantity
2
Design
N-Connect socket
Impedance
50
Ω
nominal
Frequency range
2412 ... 2480 MHz
4920 ... 5875 MHz
Electrical data
Direct 24 VDC supply
Supply voltage from socket
24 VDC Safe Extra Low Voltage (SELV)
Permitted range +/- 30 %
16.8 to 31.2 VDC
Design
M12 socket
Properties
Electrically isolated, redundant design
PoE to 24 VDC non-redundant design
Supply voltage from PoE
Power supply
48 VDC
Permitted range
36 to 57 VDC
Fusing
2 A / 24 VDC
1 A / 48 V PoE
Current consumption
At 24 VDC / typical
250 mA (up to 350 mA @ 16.8 V)
With PoE / typical
125 mA (up to 150 mA @ 36 V)
Power loss at 24 VDC
At 24 VDC / typical
6 W
With PoE / typical
6 W
Permitted ambient conditions
Ambient temperature
During operation Non EEC variant -20
℃
to +60
℃
EEC variant
-30
℃
to +75
℃
During storage
-40
℃
to +85
℃
During transportation
-40
℃
to +85
℃
Relative humidity
During operation
≤
95% at 25 °C, no condensation
Operating altitude
During operation
≤
2,000 m above sea level at max. 60 °C
ambient temperature
Contaminant concentration
According to IEC 60721
Degree of pollution
2
Degree of protection
IP65 (not tested by UL)
Dimensions and weight
Dimensions
W x H x D
140 x 160 x 45 mm
(height without antenna connectors 149
mm)
Weight
1040 g
Installation options
Direct:
Wall mounting
With additional holding plate
Installation on a DIN rail
•
with DIN rail mounting adapter
•
with additional bracket support for installation rotated though 90°
Mean time between failure (MTBF)
at 40 °C ambient temperature
61 years