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Medium-voltage cable accessories

Loadbreak connectors

Eaton’s Cooper Power series 200 A 15, 25 and 35 kV loadbreak elbow connectors,  600 A 15 and 25 kV Cleer loadbreak technology, and accessories are used to connect underground cable to transformers, switchgear and sectionalizing cabinets. They are ideal for submersible, fully-shielded and insulated plug-in terminations.

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Fully meets IEEE 386 Std
Interchangeable
Reliable 600 A loadbreak
Simplifies operation
Stress-relieving features
Superior switching and reliability

Core features

  • All 200 A loadbreak connectors meet the electrical, mechanical and dimensional requirements of IEEE Std 386 standard
  • Designed to be fully interchangeable with other components currently complying with IEEE Std 386 standard
  • 15 kV and 25 kV loadbreak elbows are available with integral jacket seal for use with concentric neutral and other types of shielded cable
  • Designed for use on XLPE, EPR or other solid dielectric insulated underground electrical cables
  • Molded using high-quality, peroxide-cured EPDM insulation for reliable field performance

See the loadbreak connector in action

Establish loops, taps, splices and facilitate apparatus changeouts with 200 A and 600 A, 15 and 25 kV class multi-point variable junctions

Eaton’s Cooper Power series junction bars are designed for vault or apparatus applications and can be used for looping, tapping and sectionalizing. They are fully shielded, submersible, and are designed and manufactured in accordance with IEEE Std 386-2016 standard. These junctions provide 2 to 6, 15 or 25 kV mixed inline 200 A loadbreak, 600 A deadbreak or 600 A loadbreak Cleer interfaces bussed together and encapsulated in a precision-molded, peroxide-cured EPDM insulated rubber body. Junction bars come standard with a stainless steel mounting bracket.
Download the NEW catalog

Designed for superior switching performance

Eaton's Cooper Power series POSI-BREAK loadbreak elbow connectors use stress-relieving features around current exchange and improved dielectrics from increased strike distance for superior switching performance and reliability.

35 kV large interface elbow bushing system

Eaton's Cooper Power series 35 kV 200 A large interface elbow bushing system is a reliable, field proven design. This system has over 25 years of field experience while being used on large 35 kV distribution systems. Features of the large interface system include increased strike distance to provide greater reliability and overall performance, reliable loadbreak switching and fault closure capability. A full line of large interface accessory products is available.
Specifications

Ratings

200 A loadbreak connector ratings in accordance with IEEE Std 386 standard
Voltage ratings 15 kV
 25 kV 35 kV
Standard voltage class
 15 25 35
Maximum rating phase-to-phase
 14.4
 26.3 36.6
Maximum rating phase to-ground 8.3
 15.2 21.1
AC 60 Hz 1-minute Withstand
 34
 40 50
DC 15-minute wWithstand
 53
 78 103
BIL and full wave crest
 95
 125 150
Minimum corona voltage level
 11
 19 26
Current ratings
 15 kV
 25 kV 35 kV
Continuous
 200 A rms
 200 A rms 200 A rms
Switching
 10 make/break operations at 200 A rms at 14.4 kV
 10 make/break operations at 200 A rms at 26.3 kV 10 make/break operations at 200 A rms at 36.6 kV
Fault closure
 10,000 A rms sym. at 14.4 kV for 0.17s after 10 switching operations
 10,000 A rms sym. at 26.3 kV for 0.17s after 10 switching operations 10,000 A rms sym. at 36.6 kV for 0.17s after 10 switching operations
Short time
 10,000 A rms sym. for 0.17s 
 10,000 A rms sym. for 0.17s 10,000 A rms sym. for 0.17s 
3,500 A rms sym. for 3.0s
 3,500 A rms sym. for 3.0s 3,500 A rms sym. for 3.0s

15 kV class 600 A Cleer loadbreak connector system ratings

600 A loadbreak interface
Continuous current
 600 A rms 
Loadbreak switching
 Ten make and break operations at 600 A at 14.4 kV phase-phase
Three make and break operations at 900 A at 14.4 kV phase-phase
Fault closure
 16 kA rms symmetrical at 14.4 kV phase-phase after ten 600 A loadbreak switching operations for 0.17 seconds
16 kA rms symmetrical at 14.4 kV phase-phase after three 900 A loadbreak switching operations for 0.17 seconds
4-hour overload current
 900 A rms
Short-time current
 16 kA rms symmetrical for 0.17 seconds (limited by fault closure rating)*
10 kA rms symmetrical for 3.0 seconds
IEEE Std 386 -2006 standard 600 A, 15/25 kV feadbreak interface
Continuous current
 600 A rms
4-hour overload current
 900 A rms
Short-time current
 16 kA rms symmetrical for 0.17 seconds* 
10 kA rms symmetrical for 3.0 seconds
Current ratings and characteristics are in accordance with applicable IEEE Std 386-2006 standard requirements
*600 A loadbreak connectors are generally capable of short-time current ratings well in excess of those listed (25 kA to 40 kA ratings for 0.17s are typical). However, ratings are limited by the fault-closure rating. Contact your Eaton representative for maximum short-time current ratings if fault-closure operations are infeasible in your application

25 kV class 600 A Cleer loadbreak connector system ratings

600 A loadbreak interface
Continuous current
 600 A rms
Loadbreak switching 
 Five make and break operations at 600 A at 26.3 kV phase-phase
One make and break operation at 900 A at 26.3 kV phase-phase
Fault closure
 10 kA rms symmetrical at 26.3 kV phase-phase after five 600 A loadbreak switching operations for 0.17 seconds
10 kA rms symmetrical at 26.3 kV phase-phase after one 900 A loadbreak switching operations for 0.17 seconds
4-hour overload current
 900 A rms
Short-time current
 10 kA rms symmetrical for 0.17 seconds (limited by fault closure rating)*
10 kA rms symmetrical for 3.0 seconds
IEEE Std 386 -2006 standard 600 A, 15/25 kV deadbreak interface
Continuous current
 600 A rms
4-hour overload current
 900 A rms
Short-time Current
 10 kA rms symmetrical for 0.17 seconds*
10 kA rms symmetrical for 3.0 seconds
Current ratings and characteristics are in accordance with applicable IEEE Std 386-2006 standard requirements
*600 A loadbreak connectors are generally capable of short-time current ratings well in excess of those listed (25 kA to 40 kA ratings for 0.17s are typical). However, ratings are limited by the fault-closure rating. Contact your Eaton representative for maximum short-time current ratings if fault-closure operations are infeasible in your application

28 kV class 600 A Cleer loadbreak connector system ratings

600 A loadbreak interface
Continuous current
 600 A rms
Loadbreak switching
 Five make and break operations at 600 A at 28.0 kV phase-phase
One make and break operation at 900 A at 28.0 kV phase-phase
Fault closure
 10 kA rms symmetrical at 28.0 kV phase-phase after five 600 A loadbreak switching operations for 0.17 seconds
10 kA rms symmetrical at 28.0 kV phase-phase after one 900 A loadbreak switching operation for 0.17 seconds
4-hour overload current
 900 A rms
Short-time current (See Important below)
 25 kA rms symmetrical for 0.17 seconds (limited by fault closure rating)*
10 kA rms symmetrical for 3.0 seconds
IEEE Std 386 -2006 standard 600 A, 15/25 kV deadbreak interface
Continuous current
 600 A rms
4-hour overload current
 900 A rms
Short-time current (See Important below)
 25 kA rms symmetrical for 0.17 seconds*
10 kA rms symmetrical for 3.0 seconds
Current ratings and characteristics are in accordance with applicable IEEE Std 386-2006 standard requirements
*600 A loadbreak connectors are generally capable of short-time current ratings well in excess of those listed (25 kA to 40 kA ratings for 0.17s are typical). However, ratings are limited by the fault-closure rating. Contact your Eaton representative for maximum short-time current ratings if fault-closure operations are infeasible in your application
Download Links

Multi-point variable junction bar

Now available with up to six mixed 200 and 600 amp interfaces for 15 and 25 kV applications

Download the catalog
  • 15 kV class fused loadbreak elbow connector catalog
    This catalog provides features and ordering information for Eaton’s Cooper Power series 15 kV class fused loadbreak elbow connector which combines a fully-shielded and insulated plug-in termination with full-range current-limiting fuse protection to provide a convenient and cost-effective means to add fused protection to underground distribution systems, for connecting underground cables to transformers, switching cabinets and junctions equipped with IEEE Std 386-2006 standard 200 A, 15 kV class loadbreak bushings.
    (PDF 230 KB , 01/31/2016)
  • 200 A 15 and 25 kV class loadbreak temporary bushing cap catalog
    This catalog provides features and ordering information for Eaton's Cooper Power series 200 A 15 and 25 kV class loadbreak temporary bushing cap.
    (PDF 229 KB , 10/30/2020)
  • 200 A 15 kV class insulated protective cap catalog
    This catalog provides features and ordering information for Eaton's Cooper Power series insulated protective cap which is an accessory device designed to electrically insulate and mechanically seal loadbreak bushing interfaces.
    (PDF 171 KB , 11/30/2015)
  • 200 A 15 kV class insulated standoff bushing catalog
    This catalog provides features and ordering information for Eaton's Cooper Power series 200 A, 15 kV insulated standoff bushing which provides a single loadbreak interface made of high quality peroxide cured insulating EPDM rubber and is used to isolate and sectionalize energized cable in pad-mounted cabinets, underground vaults and other apparatus.
    (PDF 167 KB , 11/30/2015)
  • 200 A 15 kV class loadbreak bushing insert catalog
    This catalog provides features and ordering information for Eaton's Cooper Power series bushing insert which threads into a universal bushing well to provide the same function as an integral loadbreak bushing.
    (PDF 213 KB , 11/30/2015)
  • 200 A 15 kV class loadbreak elbow connector with optional integral jacket seal catalog
    This catalog describes ratings, dimensions and ordering information for Eaton’s Cooper Power series loadbreak elbow connector,a fully-shielded and insulated plug-in termination for connecting underground cable to transformers, switching cabinets and junctions equipped with loadbreak bushings.
    (PDF 254 KB , 02/28/2019)
  • 200 A 15 kV class loadbreak junction catalog
    This catalog provides features and ordering information for Eaton's Cooper Power series 200 A, 15 kV class loadbreak junction which provides two, three or four 8.3/14.4 kV loadbreak interfaces that are internally bused together and used in pad-mounted apparatus, underground vaults and other apparatus to sectionalize, establish loops, taps, or splices, and to facilitate apparatus change-outs.
    (PDF 226 KB , 05/31/2021)
  • 200 A 15 kV class loadbreak portable feedthru catalog
    This catalog provides features and ordering information for Eaton's Cooper Power series 200 A, 15 kV class loadbreak portable feedthru which provides two internally bused 8.3/14.4 kV loadbreak interfaces and is used in pad-mounted equipment, underground vaults and other apparatus to bypass transformers, to test and ground circuits and to provide open point deadfront lightning arrester protection when used with the M.O.V.E. arrester.
    (PDF 347 KB , 10/31/2015)
  • 200 A 15 kV class rotatable feedthrough insert catalog
    This catalog provides features and ordering information for Eaton's Cooper Power series 15 kV rotatable feedthru insert which is used to provide dual bushings from a single apparatus bushing well.
    (PDF 310 KB , 11/30/2015)
  • 200 A 25 kV class insulated protective cap catalog
    This catalog provides features and ordering information for Eaton's Cooper Power series insulated protective cap which is an accessory device designed to electrically insulate and mechanically seal loadbreak bushing interfaces.
    (PDF 148 KB , 11/30/2015)
  • 200 A 25 kV class insulated standoff bushing catalog
    This catalog provides features and ordering information for Eaton's Cooper Power series 200 A, 25 kV insulated standoff bushing which provides a single loadbreak interface made of high quality peroxide-cured EPDM rubber and is used to isolate and sectionalize energized cable in pad-mounted cabinets, underground vaults and other apparatus.
    (PDF 79 KB , 02/28/2015)
  • 200 A 25 kV class loadbreak bushing insert catalog
    This catalog provides features and ordering information for Eaton's Cooper Power series 25 kV bushing insert which threads into a universal bushing well.
    (PDF 609 KB , 09/26/2019)
  • 200 A 25 kV class loadbreak elbow connector with optional integral jacket seal catalog
    This catalog describes test, rating and ordering information for Eaton’s Cooper Power series loadbreak elbow connector which is is a fully-shielded and insulated plug-in termination for connecting underground cable to transformers, switching cabinets and junctions equipped with loadbreak bushings.
    (PDF 233 KB , 02/28/2019)
  • 200 A 25 kV class loadbreak junction catalog
    This catalog provides features and ordering information for Eaton's Cooper Power series 200 A, 25 kV class loadbreak junction which provides two, three or four 15.2/26.3 kV loadbreak interfaces that are internally bused together and are used in pad-mounted apparatus, underground vaults, and other apparatus to sectionalize, establish loops, taps or splices, and to facilitate apparatus change outs.
    (PDF 236 KB , 11/30/2015)
  • 200 A 25 kV class Loadbreak portable feedthru catalog
    This catalog provides features and ordering information for Eaton's Cooper Power series 200 A, 25 kV class loadbreak portable feedthru which provides two internally bused 15.2/26.3 kV loadbreak interfaces and is used in pad-mounted equipment, underground vaults and other apparatus to bypass transformers, to test and ground circuits and to provide open point deadfront lightning arrester protection when used with the M.O.V.E. arrester.
    (PDF 318 KB , 11/30/2015)
  • 200 A 25 kV class POSI-BREAK insulated protective cap catalog
    This catalog provides features and ordering information for Eaton's Cooper Power series POSI-BREAK insulated protective cap which is an accessory device designed to electrically insulate and mechanically seal loadbreak bushing interfaces.
    (PDF 165 KB , 11/30/2015)
  • 200 A 25 kV class POSI-BREAK loadbreak elbow connector with optional integral jacket seal catalog
    This catalog describes test, ratings and ordering information for Eaton’s Cooper Power series POSI-BREAK loadbreak elbow connector which is a fully-shielded and insulated plug-in termination for connecting underground cable to transformers, switching cabinets and junctions equipped with loadbreak bushings.
    (PDF 218 KB , 03/25/2019)
  • 200 A 25 kV class rotatable feedthrough insert catalog
    This catalog provides features and ordering information for Eaton's Cooper Power series 25 kV rotatable feedthru insert which is used to provide dual bushings from a single apparatus bushing well.
    (PDF 122 KB , 11/30/2015)
  • 200 A 35 kV class insulated protective cap catalog
    This catalog provides features and ordering information for Eaton’s Cooper Power series 200 A, 35 kV insulated protective cap which provides an insulated, fully shielded submersible cover for an energized 35 kV class loadbreak interface.
    (PDF 199 KB , 11/30/2015)
  • 200 A 35 kV class insulated standoff bushing catalog
    This catalog provides features and ordering information for Eaton's Cooper Power series 200 A, 35 kV insulated standoff bushing which provides a single loadbreak interface made of high quality peroxide-cured insulating EPDM rubber and is used to isolate and sectionalize energized cable in pad-mounted cabinets, underground vaults and other apparatus.
    (PDF 201 KB , 11/30/2015)
  • 200 A 35 kV class three-phase (purple cuff) loadbreak elbow connector catalog
    This catalog describes ratings, testing and ordering information Eaton's Cooper Power series, 200 A, 35 kV three-phase rated (21.1/36.6 kV) loadbreak elbow connector which is used in pad-mounted cabinets, underground vaults and other installations to provide three-phase rated, shielded, insulated deadfront connections; they are used to terminate underground cables on 35 kV class electrical equipment.
    (PDF 1 MB , 02/28/2019)
  • 200 A 35 kV class three-phase loadbreak junction catalog
    This catalog provides features and ordering information for Eaton's Cooper Power series 200 A, 35 kV Class three-phase loadbreak junction which provides two, three or four 21.1/36.6 kV loadbreak interfaces that are internally bused together.
    (PDF 216 KB , 03/31/2015)
  • 200 A 35 kV class three-phase loadbreak portable feedthru catalog
    This catalog provides features and ordering information for Eaton's Cooper Power series 200 A, 35 kV Class three-phase loadbreak portable feedthru which provides two internally bused 21.1/36.6 kV loadbreak interfaces.
    (PDF 184 KB , 03/31/2015)
  • 200 A and 600 A, 15 and 25 kV Class multi-point variable junctions catalog
    This catalog provides features and ordering information for Eaton’s Cooper Power series 200 A and 600 A, 15 and 25 kV Class multi-point variable junctions.
    (PDF 670 KB , 01/31/2023)
  • 200 A and 600 A, 15, 25, and 35 kV junction bars for separable connectors catalog
    This catalog provides features and ordering information for Eaton Cooper Power series junction bars which are for vault or apparatus applications and can be used for looping, tapping and sectionalizing.
    (PDF 464 KB , 11/30/2015)
  • 25 kV class fused loadbreak elbow connector catalog
    This catalog provides features and ordering information for Eaton’s Cooper Power series 25 kV class fused loadbreak elbow connector which combines a fully-shielded and insulated plug-in termination with full-range current-limiting fuse protection to provide a convenient and cost-effective means to add fused protection to underground distribution systems, for connecting underground cables to transformers, switching cabinets and junctions equipped with IEEE Std 386-2006 standard 200 A, 25 kV class loadbreak bushings.
    (PDF 249 KB , 12/31/2015)
  • 28 kV class fused loadbreak elbow connector catalog
    This catalog provides features and ordering information for Eaton’s Cooper Power series 28 kV class fused loadbreak elbow connector which combines a fully-shielded and insulated plug-in termination with full-range current-limiting fuse protection to provide a convenient and cost-effective means to add fused protection to underground distribution systems, for connecting underground cables to transformers, switching cabinets and junctions equipped with IEEE Std 386-2006 standard 200 A, 28 kV class loadbreak bushings.
    (PDF 252 KB , 01/31/2016)
  • 600 A 15 kV class Cleer loadbreak connector system catalog
    This catalog provides features and ordering information for Eaton's Cooper Power series Cleer loadbreak connector system which is a 600 A loadbreak device rated for operation on 15 kV class systems and used to provide a visible break and visible ground on 600 A network and distribution systems without having to remove 600 A terminations and move heavy cable.
    (PDF 1 MB , 12/09/2024)
  • 600 A 25 kV class Cleer loadbreak connector system catalog
    This catalog provides features and ordering information for Eaton's Cooper Power series Cleer loadbreak connector system which is a 600 A loadbreak device rated for operation on 25 kV class systems and is used to provide a visible break and visible ground on 600 A network and distribution systems without having to remove 600 A terminations and move heavy cable.
    (PDF 1 MB , 10/31/2019)
  • 600 A 28 kV class Cleer loadbreak connector system catalog
    This catalog provides features and ordering information for Eaton's Cooper Power series Cleer loadbreak connector system which is a 600 A loadbreak device rated for operation on 28 kV class systems and is used to provide a visible break and visible ground on 600 A network and distribution systems without having to remove 600 A terminations and move heavy cable.
    (PDF 1 MB , 03/31/2015)
  • Premolded cable jacket seal catalog
    This catalog provides features and ordering information for Eaton's Cooper Power series cable jacket seal which is designed for use when installing a 200 A elbow or another similar termination on jacketed concentric neutral cable, to seal the jacket stripback from contamination or moisture ingress.
    (PDF 229 KB , 10/31/2015)
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