5SY7303-7
The Siemens SENTRON 5SY7303-7 miniature circuit breaker is a 3-pole 3A circuit breaker with a C-type tripping characteristic and a short-circuit breaking capacity of 15kA. It is suitable for overload and short-circuit protection of three-phase low-current control circuits.
Product Positioning
The Siemens SENTRON 5SY7303-7 is a 3-pole 3A type C miniature circuit breaker with a relatively small rated current, suitable for fine protection of three-phase control circuits or instrument circuits.
Core Product Advantages and Features
3-phase protection
Simultaneously disconnecting the three-phase conductors is suitable for three-phase low-current control circuits.
3A low current design
With a rated current of only 3A, it is suitable for applications such as control circuits or instrumentation circuits.
15kA high breaking capacity
It has a breaking capacity of 15kA, providing comprehensive protection even for low-current circuits.
C-type bounce characteristics
The instantaneous jump rate conforms to the C-curve, balancing sensitivity and stability.
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5SY7363-7
The Siemens SENTRON 5SY7363-7 miniature circuit breaker is a 3-pole 63A circuit breaker with a type C tripping characteristic. It has a rated voltage of 400V AC and a short-circuit breaking capacity of 15kA, making it suitable for three-phase high-current circuit protection applications.
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5SY7263-7
The Siemens SENTRON 5SY7263-7 miniature circuit breaker is a 2-pole 63A circuit breaker with a type C tripping characteristic. It has a rated voltage of 400V AC and a short-circuit breaking capacity of 15kA, making it suitable for single-phase high-current circuit protection applications.