A circuit breaker is an electrical safety device designed to protect an electrical circuit from damage caused by an overcurrent or short circuit. Its primary function is to interrupt current flow to protect equipment and prevent fire risk. Specifications: Brand Chint Breaking Capacity N, S, H Model Name/Number NXA Ampere Ratings: AC 230M, AC 230 Rated Operational Voltage 380/400/415, 440/525/690 (VAC) Installation Method Draw-out type,Fixed type Wiring Type Horizontal rear connection Storage Conditions -45 Deg C to 70 Deg C Rated insulation voltage Ui (V) 1000 Rated impulse withstand voltage Uimp (kV) 12 Rated frequency (Hz) 50/60 Package Includes: 1  x Chint Large Open Circuit Breakers NXA16N12-MF3