ABB FS403MK-B25/0.03

ABB FS403MK-B25/0.03 Product Overview
The ABB FS403MK-B25/0.03 is an automatic differential current switch designed for global industrial applications where precise residual current detection is critical. This device plays a vital role in electrical safety systems by monitoring imbalances and preventing leakage currents.
Key Technical Features and Applications of FS403MK-B25/0.03
- Employs differential current measurement to detect earth leakage currents, enhancing protection against electric shock and fire hazards in electrical installations.
- Rated at 25 A with a sensitivity threshold of 30 mA, ensuring reliable operation in low-current leakage environments.
- Automatically interrupts the circuit upon detecting residual currents, minimizing downtime and equipment damage.
- Compact design facilitates seamless integration into various control panels and distribution boards in industrial settings.
Contextual Use Cases
The FS403MK-B25/0.03 is essential in manufacturing plants for safeguarding personnel and sensitive equipment. It is also widely used in commercial buildings to ensure compliance with electrical safety standards during continuous operation.
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Product Details for FS403MK-B25/0.03
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