5SY5220-7
The 5SY5220-7 is a Siemens SENTRON 5SY5 series full current sensitive miniature circuit breaker. It is a 2-pole circuit breaker with a rated current of 20A, a type C trip curve, a rated voltage of 400V AC/440V DC, and a short-circuit breaking capacity of 10kA. It is suitable for overload and short-circuit protection in general industrial and distribution box circuits.
Product Positioning
The 5SY5220-7 is a 2-pole miniature circuit breaker from the Siemens SENTRON 5SY5 series. It features a type C tripping characteristic, a rated current of 20A, and is a full current-sensitive design that can be used in both AC and DC circuits.
Core Product Advantages and Features
Full current (AC/DC) sensitive design
The 5SY5 series is a full current-sensitive miniature circuit breaker that can withstand 440V DC in addition to 400V AC circuits, making it suitable for power distribution systems that require both AC and DC protection.
C-type bounce characteristics
It adopts a C-type tripping curve, and the instantaneous tripping current is about 5 to 10 times the rated current, which is suitable for general loads and motor circuits with starting surge current.
Rated current 20A
The rated current is 20A, which can be selected according to the capacity of the 2-pole circuit. It is equipped with standard DIN rail for easy installation and maintenance in the distribution box.
Short circuit breaking capacity
With a short-circuit breaking capacity of up to 10 kA (EN 60898), it provides reliable protection against short-circuit faults in circuits, reducing the risk of equipment and line damage.
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