Siemens 5SY5140-7


The Siemens 5SY5140-7 is a versatile single-pole circuit breaker designed for reliable protection in electrical systems. It supports both 220V DC and 230-400V AC applications, with a current rating of 40 amps and a breaking capacity of 10kA. Featuring a C curve trip characteristic, this breaker is suitable for typical industrial and commercial loads. Its screw terminal connections ensure secure wiring, and the unit is easily mounted on a DIN rail for convenient installation. This product is available through BSP Automation, providing a dependable solution for your circuit protection needs.
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