Vacuum interrupter for vacuum circuit breaker
Detailed Product Description
Main Technical Data
Rated voltage 31.5kv
Rated current 630A
Rated frequency 50/60Hz
Rated short-time power frequency withstand voltage(1min) 85kv
Rated lighting impulse withstand voltage(peak) 175kv
Rated short-circuit breaking current 12.5kA
Rated short-circuit making current(peak) 31.5kA
Rated operations of short-circuit breaking current interruption 30operations
Rated single capacitor bank breaking current 630A
Rated back-to-back capacitor breaking current 400A
Rated short-time withstand current 12.5kA
Rated peak withstand current 31.5kv
Rated duration of short-circuit 2s
Mechanical life 20000operations
Contact closing force due to bellows and atmosphere 160±60N
Counterforce at rated contact stroke 260±60N
Ciruit resistance at rated contact force ≤40µΩ
Shelf life 20years
Contact erosion limit 3mm
Weight of moving parts ≤4kg
Rated operation sequence O-0.3-CO-180s-CO
Vacuum interrupter for vacuum circuit breaker
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Company Info
Hubei Hanguang Lighting Co., Ltd.
[China (Mainland)]
[Verified Member]
City: Xiaogan
Province/State: Hubei
Country/Region : China (Mainland)
Business Type:Manufacturer
Online Postings: Products