Model number

ZMD12/800-25

rated voltage

12KV

rated current

800A

Rated short-circuit breaking current

25KA

Rated short-circuit closing current (peak)

63KA

Rated peak withstand current

63KA

Rated short-time withstand current

25KA

Rated short-circuit duration

4S

Rated short-time (lmin) power frequency withstand voltage

42KV

Rated lightning impulse voltage

75KV

Circuit resistance under rated contact pressure

≤40μΩ

Rated short-circuit breaking current breaking times

50 times

Rated current breaking times

10000 times

mechanical life

10000 times

Contact self closing force

150±50N

Contact reaction force under contact opening distance

210±60N

Allowable thickness for electrical wear of contacts

3mm

quality

3.3kg