Table 10 Radio DC Power Supply Requirements
Conditions Values and Ranges
Nominal voltage −48 V DC
Normal voltage range at radio input
connector
−36.0 to −58.5 V DC
Non-destructive range 0 to −60 V DC
Fuse and Circuit Breaker Recommendations
The recommendations given in this section are based on peak power
consumption and do not provide information on power consumption during
normal operation.
The recommended melting fuse type is gG-gL-gD in accordance with
IEC 60269-1. Circuit breakers must comply with at least Curve 3 tripping
characteristics, in accordance with IEC 60934.
Table 11 Radio Fuse or Circuit Breaker Recommendations
Unit (DC powered) Output Power Minimum Fuse Rating Maximum Allowed
Fuse Rating
(1)
Single
Radio
Dual Radio
Radio 2203 B1
Radio 2203 B2/B25
Radio 2203 B3
Radio 2203 B3C
Radio 2203 B5
Radio 2203 B7
Radio 2203 B8
Radio 2203 B66A
2 x 5 W
6 A 10 A 32 A
(1) The absolute maximum fuse class in accordance with radio design restrictions.
3.5.2 AC Power Characteristics
The normal voltage range for the radio is 100 to 250 V AC.
Table 12 Radio AC Power Supply Requirements
Conditions Values and Ranges
100–250 V 85–275 V AC
Connection Line-neutral, line-line
Frequency range 50–60 Hz
Voltage harmonics < 10% at full load
(1)
Shut-off allowance At undervoltage or overvoltage
Inrush current peak < 4 A
Inrush current duration < 100 ms
AC system TN, TT and IT
(1) Must comply with IEC 61000-3-2
Radio Description
24
180/1551-LZA 701 6001/1 Uen AC | 2017-11-08
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