Screened Separable
Connectors
CA650023EN
Effective April 2015
Supersedes I550-12 May 1999
COOPER POWER
SERIES
250 A, 24 kV class deadbreak
junctions - interface A
DJ250-4 - 250 A, 24 kV Class
Related products
•
DE250 Elbow Connector
•
DS250 Straight Connector
•
DRC250 Receptacle Cap
•
DPS250 Standoff Plug
•
DPE250 Earthing Plug
•
DPD250 Dead-End Plug
Installation
•
No special tools, heating, taping, or potting
are required.
•
Connector may be energized immediately
after mating parts are secured.
•
Uses the standard bails supplied with the
elbow and straight connectors.
Application
•
For connection of three 250 A premoulded
connectors to one bushing or plug to form a
multiple cable feed or a separable cable joint.
•
For indoor or outdoor applications.
•
For use in submerged vaults, surface
applications, and with aerial cables.
•
System voltage to 24 kV.
•
Continuous current 250 A (300 A overload for
8 hours).
•
For de-energized operation.
Features
•
Provides a fully screened and fully
submersible separable connection when
joined with mating parts.
•
No minimum phase spacing requirements.
•
100% factory tested.
Standards
•
Meets the requirements of CENELEC HD
629.1 S1, IEC 60502-4, and IEEE Std 386™2006 standard.
Quality assurance
•
Manufacturing facility is registered to ISO
9001 by third party audit.
•
Routine tests.
•
X-Ray audit of random samples.
Packaging
•
Supplied in single phase kit, approximate
weight 0.9 kg.
Catalog Data CA650023EN
250 A 24 kV class deadbreak junction - interface A
Effective April 2015
Features and detailed description
1. Socket Contacts
Finger-type socket contact of plated copper mates with the
pin contact of the premoulded connector.
5
1
2.Busbar
Internal copper current-carrying part.
3. Internal Screen
Moulded semi-conductive EPDM rubber controls electrical
stress.
2
4. External Screen
Moulded semi-conductive EPDM rubber mates with the
screen of the connector to maintain screen continuity.
5.Insulation
Moulded EPDM rubber provides the phase-to-earth insulation
and forms the interface with the mating connectors to
maintain dielectric ratings and a watertight seal.
3
4
Figure 1. 250 A, 24 kV Class DJ250 deadbreak junction.
Table 1. Electrical Ratings
Maximum System Voltage (Um)
24 kV
Partial Discharge Extinction (<3 pC)*
20 kV
AC Withstand*
54 kV
Impulse Withstand
125 kV
Continuous Current
250 A
Overload (8 hrs max.)
300 A
Short Circuit Withstand, 1 sec. (rms sym.)
12.5 kA
* Denotes routine tests on 100% of production.
Ordering information
To order, simply specify DJ250-4. Kit includes junction, silicone
lubricant, and paper towel. Mating parts and bails are ordered
separately.
2
www.eaton.com/cooperpowerseries
Catalog Data CA650023EN
250 A 24 kV class deadbreak junction - interface A
Effective April 2015
DJ250-T1, 250 A, 24 kV Class
Application
•
For connection of two 250 A premoulded connectors to one
bushing or plug to form a parallel cable feed or a separable
cable joint.
•
For indoor or outdoor applications.
•
For use in submerged vaults, surface applications, and with
aerial cables.
•
System voltage to 24 kV.
•
Continuous current 250 A (300 A overload for 8 hours).
•
For de-energized operation.
Features
•
Provides a fully screened and fully submersible separable
connection when joined with mating parts.
•
No minimum phase spacing requirements.
•
100% factory tested.
Standards
•
Meets the requirements of CENELEC HD 629.1 S1, IEC 605024, and IEEE Std 386™-2006 standard.
Quality assurance
Figure 2. DJ250-T1 deadbreak junction.
Related products
•
Manufacturing facility is registered to ISO 9001 by third party
audit.
•
Routine Tests.
•
X-Ray audit of random samples.
Packaging
•
Supplied in single phase kit, approximate weight 0.9 kg.
•
DE250 Elbow Connector
•
DS250 Straight Connector
•
DRC250 Receptacle Cap
Table 2. Electrical Ratings
•
DPS250 Standoff Plug
Maximum System Voltage (Um)
24 kV
•
DPE250 Earthing Plug
Partial Discharge Extinction (<3 pC)*
20 kV
DPD250 Dead-End Plug
AC Withstand*
54 kV
Impulse Withstand
125 kV
Continuous Current
250 A
•
Installation
•
No special tools, heating, taping, or potting are required.
Overload (8 hrs)
300 A
•
Can be energized immediately after the mating parts are
secured.
Short Circuit Withstand, 1 sec (rms sym)
12.5 kA
•
Uses the standard bail supplied with the elbow and straight
connectors.
* Denotes routine tests on 100% of production.
www.eaton.com/cooperpowerseries
3
Catalog Data CA650023EN
250 A 24 kV class deadbreak junction - interface A
Effective April 2015
Features and detailed description
1. Socket Contacts
Finger-type socket contact of plated copper mates with the
pin contact of the premoulded connector.
2.Busbar
1
Internal copper current-carrying part.
3. Internal Screen
Moulded semi-conductive EPDM rubber controls electrical
stress.
4. External Screen
2
5
3
4
Figure 3. 250 A, 24 kV Class DJ250-T1 deadbreak junction.
Ordering information
To order, simply specify DJ250-T1. Kit includes junction, silicone
lubricant, and paper towel.
Mating parts and bails are ordered separately.
Bail braket assembly: 2638617C01
4
www.eaton.com/cooperpowerseries
Moulded semi-conductive EPDM rubber mates with the
screen of the connector to maintain screen continuity.
5.Insulation
Moulded EPDM rubber provides the phase-to-earth insulation
and forms the interface with the mating connectors to
maintain dielectric ratings and a watertight seal.
Catalog Data CA650023EN
250 A 24 kV class deadbreak junction - interface A
Effective April 2015
DJ250-T2 - 250 A, 24 kV Class
Application
•
For connection of three 250 A premoulded connectors to form a
separable cable joint.
•
For indoor or outdoor applications.
•
For use in submerged vaults, surface applications, and with
aerial cables.
•
System voltage to 24 kV.
•
Continuous current 250 A (300 A overload for 8 hours).
•
For de-energized operation.
Features
•
Provides a fully screened and fully submersible separable
connection when joined with mating parts.
•
No minimum phase spacing requirements.
•
100% factory tested.
Standards
•
Figure 4. DJ250-T2 deadbreak junction.
Related products
Meets the requirements of CENELEC HD 629.1 S1, IEC 605024, and IEEE Std 386™-2006 standard.
Quality assurance
•
Manufacturing facility is registered to ISO 9001 by third party
audit.
•
Routine tests.
•
X-Ray audit of random samples.
•
DE250 Elbow Connector
Packaging
•
DS250 Straight Connector
•
•
DRC250 Receptacle Cap
Supplied in single phase kit, approximate weight 0.9 kg.
Installation
•
No special tools, heating, taping, or potting are required.
•
Can be energized immediately after the mating parts are
secured.
•
Uses the standard bails supplied with the elbow and straight
connectors.
Table 3. Electrical Ratings
Maximum System Voltage (Um)
24 kV
Partial Discharge Extinction (<3 pC)*
20 kV
AC Withstand*
54 kV
Impulse Withstand
125 kV
Continuous Current
250 A
Overload (8 hrs)
300 A
Short Circuit Withstand, 1 sec (rms sym)
12.5 kA
* Denotes routine tests on 100% of production.
www.eaton.com/cooperpowerseries
5
Catalog Data CA650023EN
250 A 24 kV class deadbreak junction - interface A
Effective April 2015
Features and detailed description
1. Socket Contacts
Finger-type socket contact of plated copper mates with the
pin contact of the pre-moulded connector.
2.Busbar
1
Internal copper current-carrying part.
4
3. External Screen
2
3
Moulded semi-conductive EPDM rubber mates with the
screen of the connector to maintain screen continuity.
4.Insulation
Moulded EPDM rubber provides the phase-to-earth insulation
and forms the interface with the mating connectors to
maintain dielectric ratings and a watertight seal.
Figure 5. 250 A, 24 kV Class DJ250-T2 deadbreak junction.
Ordering information
To order, simply specify DJ250-T2. Kit includes junction, silicone
lubricant, and paper towel. Bails and mating parts are ordered
separately.
Bail bracket assembly: 2638617C01
6
www.eaton.com/cooperpowerseries
Catalog Data CA650023EN
250 A 24 kV class deadbreak junction - interface A
Effective April 2015
DJ250-2 - 250 A, 24 kV Class
Application
•
For connection of two 250 A premoulded connectors to form a
separable cable joint.
•
For indoor or outdoor applications.
•
For use in submerged vaults, surface applications, and with
aerial cables.
•
System voltage to 24 kV.
•
Continuous current 250 A (300 A overload for 8 hours).
•
For de-energized operation.
Features
•
Provides a fully screened and fully submersible separable
connection when joined with mating parts.
•
No minimum phase spacing requirements.
•
100% factory tested.
Standards
•
Meets the requirements of CENELEC HD 629.1 S1, IEC 605024, and IEEE Std 386™-2006 standard.
Quality assurance
•
Manufacturing facility is registered to ISO 9001 by third party
audit.
•
Routine Tests.
•
X-Ray audit of random samples.
Packaging
•
Supplied in single phase kits, approximate weight 0.7 kg.
Figure 6. DJ250-2 deadbreak junction.
Related products
•
DE250 Elbow Connector
•
DS250 Straight Connector
•
DRC250 Receptacle Cap
Installation
•
No special tools, heating, taping, or potting are required.
•
Can be energized immediately after the mating parts are
secured.
•
Uses the standard bail supplied with the elbow or straight
connector.
Table 4. Electrical Ratings
Maximum System Voltage (Um)
24 kV
Partial Discharge Extinction (<3 pC)*
20 kV
AC Withstand*
54 kV
Impulse Withstand
125 kV
Continuous Current
250 A
Overload (8 hrs)
300 A
Short Circuit Withstand, 1 sec (rms sym)
12.5 kA
* Denotes routine tests on 100% of production.
www.eaton.com/cooperpowerseries
7
Catalog Data CA650023EN
250 A 24 kV class deadbreak junction - interface A
Effective April 2015
Features and detailed description
1. Socket Contacts
Finger-type socket contact of plated copper mates with the
pin contact of the pre-moulded connector.
1
2.Busbar
Internal copper current-carrying part.
3. External Screen
2
Moulded semi-conductive EPDM rubber mates with the
screen of the connector to maintain screen continuity.
4.Insulation
3
Moulded EPDM rubber provides the phase-to-earth insulation
and forms the interface with the mating connectors to
maintain dielectric ratings and a watertight seal.
4
Figure 7. 250 A, 24 kV Class DJ250-2 deadbreak junction.
Ordering information
To order, simply specify DJ250-2. Kit includes junction, silicone
lubricant, and paper towel. Bails and mating parts are ordered
separately.
Bail bracket: 2639524B01 (2 required)
Eaton
1000 Eaton Boulevard
Cleveland, OH 44122
United States
Eaton.com
Eaton’s Cooper Power Systems Division
2300 Badger Drive
Waukesha, WI 53188
Eaton.com/cooperpowerseries
© 2015 Eaton
All Rights Reserved
Printed in USA
Publication No. CA650023EN
Eaton and Cooper Power are valuable
trademarks of Eaton in the U.S. and other
countries. You are not permitted to use
these trademarks without the prior written
consent of Eaton.