3 circuit breaker replacement, Circuit breaker replacement, Section 6.3, circuit breaker replacement – ADC PowerWorx Power Distribution Products User Manual

Page 31

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ADCP-80-545 • Issue 3 • March 2006

Page 25

© 2006, ADC Telecommunications, Inc.

2. Use a needle-nose pliers to disconnect the lead wire terminals (quick-connects or fastons)

from the metal tabs on the rear side of the LED indicator as shown in

Figure 17

.

3. On the replacement LED indicator, connect the red wire to the tin tab and the black wire

to the brass tab.

4. Push the LED indicator back into the panel until it snaps into place.

Figure 17. LED Indicator

6.3

Circuit Breaker Replacement

Any existing circuit breaker may be field-replaced with an identical circuit breaker or with a
breaker that has a different current rating or time delay. However, a breaker with a higher
current rating may only be used as a replacement if the total current draw of the affected bus
will not exceed 100 Amps. A circuit breaker mounting position that does not have an existing
breaker (blank) cannot be used for installation of a replacement breaker. Use the following
procedure to replace an existing circuit breaker with a new breaker:

1. Turn-off or disconnect the power from the power bus (either A or B) that supplies current

to the circuit breaker to be replaced.

Note: The LED indicator uses a snap-in type retainer to hold it in place on the front side of
the panel.

Note: The lead wire terminals are insulated and can generally be removed without turning
off the power to the circuit breaker panel. If any part of the terminal is not covered by
insulation, make sure the exposed portion does not come into contact with the panel
chassis or the other terminal.

Note: Previous versions of the Select Series Circuit Breaker Panel were not equipped with
field-replaceable circuit breakers. If the panel does not have a slot above the circuit
breakers as shown in

Figure 18

, then it does not have field-replaceable circuit breakers and

this procedure does not apply.

Danger: During normal operation, the terminal connections on the circuit breakers are
electrically energized. Failure to disconnect the power from the power bus that supplies current
to the circuit breaker being replaced may cause severe personal injury to the installer and/or
equipment damage.

METAL TABS

17141-A

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