16
Eaton Rack Power Module
164201675—Rev 02
33..22
S
Seerrvviiccee O
Onnllyy P
Poorrtt aanndd S
Sw
wiittcchheess
The DB-9 communication port, A/B switch, and reset switch are service-only features.
33..33
B
Brreeaakkeerrss
B
Brreeaakkeerrss
The breakers on the front panel control the receptacles on the rear panel. Retain the breaker tabs. Use the tabs
to prevent accidental tripping of the breakers.
NOTE
If a current overload occurs, the breakers will trip with the breaker tabs in place.
C
Coolloorr--C
Cooddeedd N
Nuum
mbbeerriinngg
The breakers are labeled 1 through 12, left to right, one label per pole. A three-color repeating pattern makes it
easy to quickly identify the associated number on the receptacles on the rear panel (see . The receptacles are
labeled right to left, matching the breakers directly connected to them.
The columns of LEDs in the LED display (see
) are labeled with numbers and colors that match their
breaker/receptacle pairs.
33..44
LLEED
D D
Diissppllaayy
LLEED
D D
Diissppllaayy
The LED display indicates the 0 to 100% load capacity of all 12 poles of breakers and three phases of input
current, using a summation of the output currents to indicate the true Root Mean Square (RMS) percentage of
current capacity regardless of the circuit rating.
The Output Left LEDs display the load capacity of breaker poles 1–6; the Output Right LEDs display breaker
poles 7–12. The Input LEDs display the input current (phases A, B, C for RPM-3U units, or L1, L2, L3 for RPM-
3Ui units). See
.
Figure 12. LED Display
Figure 12. LED Display (RPM-3U Units)
Summary of Contents for RPM-3U
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