The Schneider A9F75304 is a high-quality miniature circuit breaker designed to provide overcurrent protection in electrical distribution systems. This three-pole breaker is rated at 4A and is suitable for both AC and DC networks, ensuring versatility across various applications. It features a thermal-magnetic trip unit and a D curve tripping characteristic, which allows for the protection of circuits with high inrush currents, commonly found in applications with motors and transformers.
With a breaking capacity of 6000A at 400 V AC in accordance with IEC/EN 60898-1 standards, and 50kA at 220...240 V AC conforming to IEC/EN 60947-2, this MCB is capable of handling significant fault conditions, providing reliable protection for electrical equipment. The device is also suitable for isolation, meeting the requirements of EN 60898-1 and IEC 60947-2, which adds an extra layer of safety during maintenance and servicing.
The compact design of the A9F75304, with a width of only 54mm, allows for efficient use of space within consumer units and distribution boards. It is easily installed on a DIN rail, making it a convenient choice for both new installations and retrofits. The breaker also features a toggle control type and a trip indicator for clear and immediate visual status, enhancing ease of use.
Constructed with a focus on durability, the A9F75304 boasts a mechanical endurance of 20,000 cycles and an electrical durability of 10,000 cycles, ensuring a long service life. The unit is also environmentally conscious, being both mercury-free and compliant with the EU RoHS Directive, reflecting Schneider Electric's commitment to sustainability and environmental responsibility.
Overall, the Schneider A9F75304 miniature circuit breaker is a reliable and efficient solution for protecting electrical circuits in commercial and industrial settings, offering both performance and peace of mind.