5SY5203-7
5SY5203-7 is a Siemens SENTRON 5SY5 series double-pole type C miniature circuit breaker with a rated current of 3A and a rated breaking capacity of 10kA. It is suitable for AC 400V/DC 440V circuits, conforms to DIN rail mounting design, and is suitable for double-pole circuit simultaneous operation protection applications.
Product Positioning
The 5SY5203-7 is a double-pole C-type miniature circuit breaker from the Siemens SENTRON 5SY5 series. It has a rated current of 3A and a rated breaking capacity of 10kA. It is suitable for overload and short-circuit protection of circuits that require simultaneous disconnection of both poles.
Core Product Advantages and Features
C-type movement characteristics
Designed with a C-characteristic curve, the instantaneous trip multiple is approximately 5 to 10 times the rated current, making it suitable for general load circuits with startup surges.
10kA rated breaking capacity
With a short-circuit breaking capacity of up to 10kA, the protection reliability of the distribution box circuit under abnormal short-circuit conditions is enhanced.
Bipolar (2P) structure design
It adopts a double-pole (2P) circuit breaker structure, with both poles disconnecting simultaneously, and is suitable for circuit configurations that require both poles to operate at the same time.
DIN rail mounting
It adopts the standard DIN rail mounting method, which facilitates quick assembly, replacement and maintenance in the distribution box.
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