2
Instruction Leaflet
IL29C092E
E
ive 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
WARNING
CONTACT WITH ENERGIZED EQUIPMENT CAN
RESULT IN DEATH, SEVERE PERSONAL INJURY,
OR SUBSTANTIAL PROPERTY DAMAGE. DO NOT
ATTEMPT TO INSTALL OR PERFORM MAINTE-
NANCE ON EQUIPMENT WHILE IT IS ENERGIZED.
ALWAYS VERIFY THAT NO VOLTAGE IS PRESENT
The recommendations and information contained herein
are based on Eaton experience and judgement, but
should not be considered to be all-inclusive or cov-
ering every application or circumstance which may
arise. If any questions arise, contact Eaton for further
information or instructions.
1-0 INTRODUCTION
General Information
BEFORE PROCEEDING WITH THE TASK, AND
The K-Frame OPTlM Series C circuit breaker types KD,
HKD, and KDC are 600 VAC maximum rated devices
with Digitrip OPTIM trip units rated 125A, 250A, or 400A
EATON IS NOT LIABLE FOR THE MISAPPLICATION
maximum continuous current (Figure 1-1). They are for
OR MISINSTALLATION OF ITS PRODUCTS.
AC applications only. They are listed in accordance
with Underwriters Laboratories, Inc. Standard UL 489
and satisfy the (P1) requirements of International
The user is cautioned to observe all recommendations,
Electrotechnical Commision Recommendations No.
warnings and cautions relating to the safety of person-
IEC 157-1. The OPTlM 750 and 1050 K-Frame circuit
nel and equipment as well as all general and local
breakers are equipped with an extra auxiliary switch
health and safety laws, codes and procedures.
and alarm (signal)/lockout switch for customer usage.
Other internal accessories are available but must be
factory installed. Contact Eaton for the following
information and user manuals:
K-Frame and Accessories Selection Data
29-120K
lnstructions and Overview of
OPTIM Trip Units
lnstructionson the Operation of Digitrip
OPTIMIZER Hand Held Programmer
lnstructionson the Operation of Digitrip
Breaker Interface Module
Instructions on the Operation of Digitrip
OPTIM Trip Units
Digitrip OPTIM Wire Diagrams
100 Percent Rated K-Frame Circuit Breakers
CKD and CHKD circuit breakers are suitable for contin-
uous operation at 100 percent of the frame rating if
used with 90°C insulated wire and AL9CU terminals in
an enclosure which measures at least 24" high x 15"
wide x 6" deep. Ventilation is not required in an enclo-
sure having these minimum dimensions.
2-0
INSTALLATION
The installation procedure consists of inspecting the cir-
Figure 1-1 K-Frame OPTIM Series C Circuit Breaker
cuit breaker and, as applicable, installing the rating plug
Frame (OPTIM 550 Shown)
and terminals; mounting the circuit breaker; connecting
ALWAYS FOLLOW GENERALLY ACCEPTED
SAFETY PROCEDURES.
29C890
29C892
29C893
29C891
29C894