IUGF6-30489-5

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Circuit breakers are an essential safety feature in all modern electrical installations, designed to protect people, appliances and buildings against the unwanted effects of electric overload. The IUGF6-30489-5 is a type of circuit breaker (CB) used to protect medium voltage electrical networks from damage due to short circuits and over-currents. This particular CB contains a hydraulic-magnetic trip element, which senses and responds to over-currents and short circuits.

TheCB is commonly used in power plants and other industrial applications such as motor protective circuit breaker (MPCB). It is also used as a supplementary protector for electrical equipment used in hazardous areas. It is important to remember that the CB is not only a safety mechanism but also a protection from damage to valuable equipment.

The IUGF6-30489-5 circuit breaker functions by detecting an overcurrent or short circuit, then using an electrical or mechanical actuator to trip the breaker into an off-state. In order to detect the overcurrent or short circuit, the CB contains an internal trip mechanism. This is typically a hydraulic-magnetic trip unit, which senses and responds to the current passing through it.

The CB contains two sets of contacts, the main contacts and the auxiliary contacts. The main contacts are responsible for carrying the load current, while the auxiliary contacts are used to control the tripping action. When an overcurrent or short circuit condition is detected, the CB will operate by disconnecting the main contacts, then simultaneously activating the auxiliary contacts. The auxiliary contacts then actuate the trip mechanism and cause the breaker to trip into an off-state.

The IUGF6-30489-5 CB is designed to work in medium voltage networks, up to 6.6 kV AC or 1000 V DC. It can handle currents from 0.3 to 20 A in both AC and DC applications. The CB is rated for an intermittent current of 25 kA for three cycles and can accommodate a maximum fault current of 100 kA. This makes it suitable for all types of medium voltage networks.

Due to its design, the IUGF6-30489-5 can also be used in hazardous areas, as it has been certified by IEC, UL and CSA standards. It is designed to provide reliable protection in these environments, with a high level of safety. In addition, the CB has a minimum response time, ensuring that it responds as quickly as possible in case of an emergency.

The IUGF6-30489-5 circuit breaker is a reliable, safe and cost-effective solution for medium voltage networks. It provides comprehensive protection against short circuits and over-currents and is suitable for a variety of medium voltage applications. In addition, its high interruption rating and quick response time make it an ideal choice for hazardous areas.

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