Technical parameters:
Rated vein: 12KV
Rated current: 630A
Rated Frequency: 50/60Hz
Rated power frequency withstand voltage: 50KV/1min
Rated lightning impulse withstand voltage: 85KV
Rated short-circuit breaking current: 20KA/30 times
Rated short-time withstand current: 20KA/4s
Rated making current: 50KA
Rated peak withstand current: 50KA
Rated contact pressure BU loop resistance: ≤ 20 micro-ohm
Mechanical life: 10000 times
Contact Closing Force: 80 ± 30N
Rated from under the contact reaction force: 150 ± 40N
Contacts allowed to wear Thickness: 3mm
Shelf life: 20 years
Rated operating sequence: O-0.3s-co-180s-CO

Mechanical vacuum switch supporting arguments:
Contact distance: 9 ± 1mm
Contact contact itinerary: 4 ± 1mm
Average opening speed (pre-6mm): 1.1 ± 0.2m / s
Average closing speed (after 61nm): 0.6 ± 0.2m / s
Rated contact pressure: 2000 ± 200N
Contact closing bounce time: ≤ 3ms
Different contact points closing period: ≤ 2ms
Contact bouncing amplitude: ≤ 2lmm
Contact opening overshoot amplitude: ≤ 2lmm

Plastic bag Technical requirements:
1, JJ pay package before interrupter tube: VIS001
2, silicone rubber JJ pay and VI in conjunction with the outer surface of the fastening, front surface of the encapsulating VI should be kept clean.
3, color: light gray, a color should be uniform convergence.
4, after encapsulation should be able to withstand at least 50KV power frequency withstand voltage requirements.

Requirements:
1, the installation must be clamped Repentance moving conductive connection even when milling flat place to prevent twisting bellows; Mrs Law fixed movable conductive rod, install the connector when the maximum torque shall not exceed 40NM.
2, and the rest is subject to the requirements of the installation manual.