The ABB S503X is a low-voltage molded case circuit breaker designed for use in power distribution systems.

It is available in 3-pole configurations and has a current rating of 50kA. The circuit breaker can be used in applications with frequencies of 50 or 60 Hz and a voltage of 690Vac.

• Low voltage molded case circuit breaker
• 3-pole configuration
• 50kA current rating
• 50/60Hz frequency
• 690Vac voltage

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