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4

Instruction Leaflet 

IL 29C702E

Effective April 2015

Installation Instructions for the HKDDC 

Circuit Breaker and Molded Case Switch

EATON CORPORATION www.eaton.com

Table 2.  Terminal Types

Terminal 

Cat. No.

Terminal

Material 

Body

Screw 

Head 

Type

AWG 

Wire

Range

Metric

Wire 

Range

Wire

Type

Torque

Value

lb-in

(N.m.)

TA300K

Aluminum

Socket

3-350(1)

35-150

Cu/Al

275 (31.1)

TA350K

Aluminum

Socket

250-500(1)

150-240

Cu/Al

371 (42.4)

TA400K

Aluminum

Socket

3/0-250(2)

70-120

Cu/Al

275 (31.1)

TA401K

Aluminum

Socket

250(2) or

500(1)

120(2) or

240(1)

Cu/Al

275 & 375 

(31 & 42)

TA402K

Aluminum

Socket

500-750(2)

240-300

Cu/Al

550 (62)

T300K

Copper

Socket

3-350(1)

35-150

Cu

275 (31.1)

T350K

Copper

Socket

250-500(1)

150-240

Cu

375 (42.4)

T400K

Copper

Socket

3/0-250(2)

70-120

Cu

275 (31.1)

Figure 6. Cover Mounting Hardware.

Figure 7. Cover Screw Installation Positions.

Figure 8. Terminal Cover Installation.

Figure 9. Terminal Installation.

 WARNING

BEFORE MOUNTING THE CIRCUIT BREAKER IN AN ELECTRICAL SYSTEM, 

MAKE SURE THERE IS NO VOLTAGE PRESENT WHERE WORK IS TO BE 

PERFORMED. SPECIAL ATTENTION SHOULD BE PAID TO REVERSE FEED 

APPLICATIONS TO ENSURE NO VOLTAGE IS PRESENT. THE VOLTAGES 

IN ENERGIZED EQUIPMENT CAN CAUSE DEATH OR SEVERE PERSONAL 

INJURY.

NOTICE

DEPENDING ON THE EQUIPMENT CONFIGURATION, THE CIRCUIT BREAKER 

CAN BE MOUNTED USING DIFFERENT STYLES OF HARDWARE. THE FOL-

LOWING STEPS DESCRIBE HOW TO MOUNT THE CIRCUIT BREAKER USING 

STANDARD HARDWARE. WHEN SPECIAL HARDWARE IS NEEDED (FOR 

EXAMPLE, WITH THE ELECTRICAL OPERATOR), THE INSTRUCTION LEAFLET 

DESCRIBING THE ACCESSORY ALSO DESCRIBES THE SPECIAL MOUNTING 

ARRANGEMENTS.

1

2

1

3

2

4P

3P

1

2

Screw, No. 8x 1.88 Inch, Flat Head, Cross-Recessed,

Thread Forming.

Screw .190-32 x 3.125 Inch Pan Head, Cross-Recessed.

 Note: Hatched lines show additional pole and screw for

            4-pole circuit breaker.

2

1

2

4P

1

3P

2

1

3P

2

1 3P

4P

                                           

            3 - Pole         4 - Pole

No. 8 x 1.88 in, Flat - Head 

                 6 

           3

.190 - 32 x 3.125 in, Pan - Head                   2                  7

Pan Head Screws

Flat Head, Thread

Forming Screws

Summary of Contents for HKDDC Series

Page 1: ...s e D Introduction 2 Installation 3 Inspection and FieldTesting 6 Effective April 2015 Supersedes IL 29C702D Dated 01 11 Instruction Leaflet IL 29C702E Installation Instructions for the HKDDC Circuit...

Page 2: ...tions Figure 1 Type HKDDC Series C DC Circuit Breaker FrameWith KT Trip Unit Installed 1 Introduction General Information In this document the term circuit breaker includes molded case switches The K...

Page 3: ...tended installation by comparing nameplate data with existing equipment ratings and system requirements lnspect the circuit breaker for completeness and check for damage before mounting Uninstalled co...

Page 4: ...Terminal Installation WARNING BEFORE MOUNTING THE CIRCUIT BREAKER IN AN ELECTRICAL SYSTEM MAKE SURE THERE IS NO VOLTAGE PRESENT WHERE WORK IS TO BE PERFORMED SPECIAL ATTENTION SHOULD BE PAID TO REVERS...

Page 5: ...t Drilling Figure 11 Circuit Breaker Escutcheon Dimensions for 3 Pole Circuit Breakers 2 7 Connect line and load conductors and accessory leads 2 8 If required install terminal shield on circuit break...

Page 6: ...ch circuit breaker to ON and OFF several times to be sure that the mechanical linkages are free and do not bind If mechanical linkages are not free replace circuit breaker 3 3 With the circuit breaker...

Page 7: ...7 Instruction Leaflet IL 29C702E Effective April 2015 Installation Instructions for the HKDDC Circuit Breaker and Molded Case Switch EATON CORPORATION www eaton com Notes...

Page 8: ...ormation purposes and should not be considered all inclusive If further information is required you should consult an authorized Eaton sales representative The sale of the product shown in this litera...

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