Circuit breaker Legrand S303B 10A/3P

Thermal-magnetic circuit breaker (MCB) for controlling, disconnecting and protecting electrical circuits from overcurrents

Technology:

• Current-limiting circuit breaker
• 1 module per pole. Each pole is 17.7 mm wide

Technical characteristics:

• Installation depth    44 mm
• Tripping characteristic    B
• Number of poles (total)    3
• Number of protected poles    3
• Rated current    10 A
• Rated voltage    400 V, 240-415 V
• Rated insulation voltage Ui    500 V
• Rated impulse withstand voltage Uimp    4 kV
• Rated short-circuit breaking capacity Icn according to EN 60898 at 230 V    10 kA
• Voltage type    AC
• Rated short-circuit breaking capacity Icn according to EN 60898 at 400 V    6 kA
• Frequency range    50-60 Hz
• Energy limitation class    3
• Flush mounting    Yes
• N pole disconnected simultaneously    No
• Pollution degree    2
• Additional equipment possible    Yes
• Width expressed in number of modules    3
• Protection degree (IP)    IP20
• Explosion-proof version    No
• Width    53.1 mm
• Height    88 mm
• Depth    77.8 mm
• Impact resistance    IK02
• (MIN-MAX°C) storage temperature    -40-70 °C
• Power supply direction    From the top or bottom
• Connection terminal marking    No
• Colour    Gray
• RAL number    7035
• Halogen-free    Yes
• Connection type    Screw terminal, Busbar and cable
• Label/marking space    Yes
• Mounting method    DIN rail