ERFA Industries Group

Xian ERFA Switchgear under ERFA Industries Group

 

 

Home
Products
About Us
Factory Tour
Quality Control
Contact Us
Request A Quote
Home ProductsVacuum Interrupter

25 KA Vacuum Interrupter 1.5mM/S Opening Speed And 0.8M/S Closing Speed

25 KA Vacuum Interrupter 1.5mM/S Opening Speed And 0.8M/S Closing Speed

25 KA Vacuum Interrupter 1.5mM/S Opening Speed And 0.8M/S Closing Speed

Product Details:

Place of Origin: China (Mainland)
Brand Name: ERFA
Certification: ISO9000
Model Number: ERFA-V20

Payment & Shipping Terms:

Minimum Order Quantity: 1 unit
Price: Negotiated
Packaging Details: each piece with polly then 18pcs in a woodenbox with pallet
Delivery Time: 10 days after payment
Payment Terms: T/T
Supply Ability: 10000pcs per month
Contact Now
Detailed Product Description
Rated Current: 2000A 1250A 1600A Rated Duration Of Short-circuit: 4s
Rated Peak Withstand Current: 63ka Storage Life: 20years
Rated Operating Sequence: O-0.3-CO-180S-CO Weight Of Movable Parts: 1.7kg
High Light:

vacuum fault interrupter

,

vcb interrupter

Specification  
 

1 Rated Current A 2000 1250 1600 1250 1250
2 Circuit resistance at lowest rated contact force u Ω ≤17 ≤25 ≤20 ≤25 ≤25
3 Rated short-circuit breaking current KA 25 12.5 25 25 20
4 Breaking operations of rated short circuit breaking current Times 30
5 Rated short-time withstand current KA 25 12.5 25 25 20
6 Rated duration of short-circuit S 4
7 Rated peak withstand current KA 63 31.5 63 63 50
8 Rated short -circuit making current KA 63 63.5 63 63 50
9 Rated breaking current of single capacitor bank A 630
10 Rated breaking current of back -to-back capacitor bank A 400
11 Rated operating sequence O-0.3-CO-180S-CO


 
Mechanical data

 

1 Weight of movable parts Kg 1.7
2 Closing force due to bellow and atmosphere N 90±40
3 Force required to hold contacts open at full stroke N 180±50

 
 
Mechanical requirements

 

1 Clearance between open contacts mm 15±1
2 Average opening speed(average of first 75% of contact gap) m/s 1.5±0.2
3 Average closing speed(average of last 30% contact gap) m/s 0.8±0.2
4 Rated added external contact final force N 2500±200 1200±200 2500±200 2500±200 2000±200
  Added external contact force at contact touch point 1750±125 840±60 1750±125 1750±125 1400±100
5 Contact bouncing duration at closing operation ms ≤2
6 Closing and opening non-simultaneity of three-phase contacts ms ≤1
7 Maximum rebound during opening mm ≤2

 
Life

 

1 Storage life Years 20
2 Mechanical endurance Times 10000
3 Contacts limit erosion Mm 3

 
 

Contact Details
ERFA Industries Group

Contact Person: Dong

Send your inquiry directly to us (0 / 3000)

Other Products