NB3000-Line-Hd User Manual 4.2
3.6.1. Power Supply NB3711
Standard variant Pa (24 V
DC
to 60 V
DC
)
The power input has the following specifications:
Feature
Specification
Power supply nominal voltages
24 V
DC
, 36 V
DC
and 48 V
DC
(according to EN 50155)
Voltage range
24 V
DC
to 60 V
DC
(
−
30% /
+
5%)
Max. power consumption
15 W
Max. cable length
30m
Cable shield
not required
Galvanic isolation
yes, 1500 V
DC
(according to EN 50155 & EN 60950)
Power interruption
Class S2: Sustains power interruptions up to
10 ms, there are no batteries included
Supply change over
Class C1: 0.6 U
n
during 100 ms (w/o inter-
ruption)
Connector type
M12, 4 poles, A-coded male
Table 3.33.: Power Input Specifications NB3711 Variant Pa
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