Input Voltage - ADC PowerWorx Select Series User Manual

ADCP-80-531 • Issue 4 • July 2004
–24V/–48V
BATTERY A
RETURN A
–24V/–48V
BATTERY B
RETURN B
Figure 3. PowerWorx Circuit Breaker Panel Block Diagram (8/8-Position Panel Shown)
1.2

Input Voltage

The dual bus circuit breaker panel can accommodate either –24 Vdc on both buses or –48 Vdc on
both buses.
The voltage level is sensed by the circuit breaker panel circuitry. The input voltages used with
the circuit breaker panel can fall within the following ranges:
• –24 Vdc nominal, within range of –21 Vdc to –30 Vdc
• –48 Vdc nominal, within range of –42 Vdc to –56 Vdc
Page 8
© 2006, ADC Telecommunications, Inc.
BATTERY RETURN
1
2
3
4
5
6
7
8
BUS A
FA
POWER A LED
RETURN A
BREAKER
ALARM A LED
BUS B
FB
POWER B LED
RETURN B
BREAKER
ALARM B LED
BATTERY RETURN
1
2
3
4
5
6
7
8
16758-B
C
NO
NC
SYSTEM ALARM
CONNECTIONS
C
NO
NC