Eaton HKD - Page 5

5
Instruction Leaflet IL29C092E
Eective November 2013
Installation Instructions for KD, HKD, KDC, CKD
CHKD, Circuit Breakers with Digitrip OPTIM
Trip Unit and Powernet and/or Zone Interlock
EATON CORPORATION www.eaton.com
Zone OUT Short Zone x
9
PT
Yellow
I D
I
I I
Red
16 Bell N.C. Red
Bell Alarm N.C.
17 Corn Black Common I
Switch N.O.
19 Aux N.C. Blue Switch N.C.
Spare
Spare
Spare
I
15
Alarm
The combination Bell Alarm / Auxiliary Switch is only
available on the OPTIM 1050 units.
NOTICE
1. It is crucial to connect the +24 VDC power supply to the correct terminal. Improper connection can destroy the
electronic protection functions of the circuit breaker. The trip unit imposes a load of 45 ma.
2. The OPTIM 550 Ground Fault Trip and Ground Fault Alarm units have
" NS and NS* " wires. The Non - Ground Fault
Optim 550 units have no wires.
3. Customer wiring connections are made on the removable male plug of the terminal block.
4. If the customer requires the interlock feature in their system then the removal of the jumper between
positions 2
3 is required. Breaker is shipped as self interlocked from the factory.
Figure 2 - 5 OPTIM Wiring Terminations
Pos. Terminal Wire Color Description 550
ICK
Zone
Interlock
Zone
w/Powernet
1 GF AL White/Brown GF Alarm X X
2 Zone OUT White/Black Short Delay/Ground
Output
Zone
X X
3 Zone IN White/Red Short Delay/Ground
Input
Zone
Select 
Interlock
X X
4 COM (imp) Common
X X
5 NEG Black* 24 V Neg*
Control 
Power
X
6 +24 Vdc Orange* 24 Vdc* Power Supply* X X
7 NS White Neutral Sensor
Non-Polarity
X X X
8 NS* Gray Neutral Sensor
Polarity 
X X X
9 ØC Blue ØC
PT
Module
Inputs
10 ØB Yellow ØB
11 ØA Red ØA
12 INCOM Violet INCOM
PowerNet
X X
13 INCOM Violet INCOM X X
14 Shield N/A Shield
15 Bell N.O. Blue Bell Alarm N.O.
16 Bell N.C. Red Bell Alarm N.C.
17 Com Black Bell/Aux Common
18 Aux N.O. Red Aux Switch N.O.
19 Aux N.C. Blue Aux Switch N.C.
20 Spare
21 Spare
22 Spare