Embedded Pole For Indoor Circuit Breakers EP-12/630-25 EP-12/1250-25 EP-12/1250-31.5

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Product Detail

Product Tags

 

Main Technical Specifiation

 

Rated Voltage

KV

12

Rated Current

A

630/1250

Rated Frequency

Hz

50

Short-time power-frequency Withstand Voltage(1min)

KV

48

Rated lightning Impulse Withstand Voltage(Peak)

KV

75

Rated Short-circuit Brenking Current

THE

25/31.5

Rated Peak Withstand Current

THE

63/80

Rated Short-circuit Making Current

THE

63/80

Rated Short-time Withstand Current

THE

25/31.5

Rated Duration of Short-circ

S

4

Rated Single Capacitor Bank Breaking Current

A

400

Rated Back to Back Capacitor Bank Breaking Current

A

400

Rated Short-circuit Making Current

Times

20

Mass of Moving Parts

Kg

2.5

Mechanical Endurance

Times

10000

Contact Closed Force Due to Bellows and Atmosphere

N

110±30

Counterforce of Contact at Full Stroke

N

210±30

Circuit Resistance at Min.Rated Contact Force

20

Contact Limit Erosion

mm

3

Storage Life

Years

20

Magnitude Of Partial Discharge(13.2KV)

PC

≤1

Torsionproof Moment Of Bellows

N.m

≤45

 

Mechanical Data Of Vacuum Switch Equipped With The Interrupters

 

Clearance Between Open Contacts

mm

9±1

Average Opening Speed

m/s

1.4±0.2

Average Closing Speed

m/s

0.7±0.2

Rated Contact Pressure

N

3200±200

Contact Bounce Duration at Closing Operation

ms

Out of Simultaneity of Contact Closing and Operation

ms

Maximum Rebound During Opening

mm

 

 

 

it goes

Notes

1. Meets or exceeds the electrical endurance requirements of class E2 for autoreclosing duty per IEC62271-100 and GB1984-2003

2. Rated characteristics tobe givenon request.

3. Rated insulation valuesrequire extemal insulati on, such as Sf6, oil or solid dielectric material etc.

 


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