Description
The Siemens 5SY7440-6 is a reliable 4-pole Miniature Circuit Breaker (MCB) with a 40A current rating and a Type B tripping curve, designed for protection in 400V AC and 72V DC applications. It features a 5 kA breaking capacity, ensuring effective interruption of fault currents to protect electrical systems.
This Siemens 5SY440-6 MCB is engineered to provide precise overcurrent protection, reliably tripping to interrupt power flow during overload conditions or short circuits. Its durable construction and high-quality components guarantee consistent performance and a long service life, even in demanding environments.
Ideal for use in industrial distribution boards, control panels, and heavy-duty electrical installations, this MCB plays a critical role in preventing equipment damage and ensuring personnel safety. Its robust design guarantees longevity and consistent performance, even under challenging conditions.
Invest in the dependable protection of the Siemens 5SY7440-6. Its professional engineering and breaking capacity make it an excellent choice for safeguarding your electrical infrastructure. Choose Siemens for unparalleled reliability in circuit protection.









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