Siemens SCALANCE W738-1 M12

Technical specifications
SCALANCE W778-1 / W738-1
70 Operating Instructions, 03/2022, C79000-G8976-C450-07
Technical specifications
Wireless interface
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°