Interface specifications – Westermo RFR-12-FB User Manual
Page 9
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9
6641-2222
Interface specifications
Power
Rated voltage
24 to 110 VDC
Operating voltage
16.8 to 143 VDC
(14.4 to 154 VDC for 100 ms)
Rated current
580 mA @ 24 VDC
140 mA @ 110 VDC
Inrush current
5 mA²s @ 24 VDC
22 mA²s @ 110 VDC
Startup current
(Power source capability)
600 mA @ 24 VDC
275 mA @ 110 VDC
Polarity
Reverse polarity protected
Redundant power input
No
Isolation to
All interfaces and chassis
Galvanic connection to
None
Connection
M12 A-coded male
Connector size
0.2 – 2.5 mm² (AWG 24 – 13)
Shielded cable
Not required
Shielded cable
Not required
Miscellaneous
–
M12 A-Coded Power Connector
Position
Direction
Description
1
U+
Positive supply voltage
2
–
–
3
0 V
0 V
4
–
–
Housing
Shield
Chassis of product (ground)
2
1
3
4
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