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Today's circuit-breakers must satisfy all kinds of requirements
encountered in the switching of ohmic, inductive or capacitive currents. They have to remain reliable when idle, just they
have to handle a high number of operating cycles. The low short-circuit ratings in distribution networks and the breaking
currents in industrial applications illustrate the extremes that prevail.
The new 3AH5 vacuum circuit-breaker is a true all-rounder. Its compact dimensions allow it to fit into any switchgear
assembly. The expanded range of its technical data make it ideal for use throughout the mediu-voltage spectrum. |
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CHARACTERISTIC FEATURES:
High reliability
Proven technology
Maintenance-free
Lifetime up to 10 000 operating cycles
Compact dimensions
Uncomplicated control panel
Uniform post-insulator design
Rated voltage from 12 to 36 kV
Rated short-circuit breaking currents from 13,1 to 31,5 kA
rated normal currents from 800 to 2500 A
Pole center distances from 160 to 350 mm.
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