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Medium voltage cable accessories

Junctions

Eaton’s Cooper Power series junction bars are designed for vault or apparatus applications and can be used for looping, tapping and sectionalising. 

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Unique, efficient sectionalising solutions
Reduced outages
Durable construction and design
Built for harsh conditions
Vault or apparatus applications
Flexible design

Core features

  • Designed and manufactured in accordance with IEEE Std 386 standard
  • Junction bars are manufactured in 200 A, 600 A or 900 A configurations.
  • In-line junctions available from 15 kv to 35 kV in two through six interface configurations
  • Junctions are available with an adjustable stainless steel bracket or “U” straps for mounting flexibility
  • Junctions maybe ordered pre-installed with Cooper Power series sectionalising cabinets 

Reduce outage durations with Cleer 600 A loadbreak

Eaton's Cooper Power series variable and multipoint junctions allow for integration of the Cleer 600 A loadbreak connector system to provide unique, efficient sectionalising solutions to reduce outage durations.

Designed for the toughest conditions

Junction bars are fully shielded, submersible and resistant to harsh materials.
Specifications
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 withstand
 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
600 A deadbreak connector ratings in accordance with IEEE Std. 386 standard
Voltage ratings
 15 kV
 25 kV
 35 kV
Standard voltage class
 25
 25
 35
Maximum rating phase-to-ground
 15.2
 15.2
 21.1
AC 60 Hz 1-minute withstand
 40
 40
 50
DC 15-minute withstand
 78
 78
 103
BIL and full wave crest
 125
 125
 150
Minimum corona voltage level
 19
 19
 26
Current ratings
 15 k
 25 kV
 35 kV
600 A interface**
Continuous
 600 A rms
 600 A rms
 600 A rms
24-hour overload
 1,000 A rms
 1,000 A rms
 1,000 A rms
Short time
 25,000 A rms sym. for 0.17 s
 25,000 A rms sym. for 0.17 s
 25,000 A rms sym. for 0.17 s
10,000 A rms sym. for 3.0 s
 10,000 A rms sym. for 3.0 s
 10,000 A rms sym. for 3.0 s
200 A interface on loadbreak reducing tap plug (LRTP)* 
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 0.17 s
 10,000 A rms sym. for 0.17 s
 10,000 A rms sym. for 0.17 s
3,500 A rms sym. for 3.0s
 3,500 A rms sym. for 3.0s
 3,500 A rms sym. for 3.0s
*System design and protection must recognise the ratings of the 200 A interface
**Optional 900 A rating is available
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