8T624F61AN

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8T624F61AN is an advanced D624F series residual-current circuit breaker (RCCB). RCCBs are current-operated devices used in domestic and light industrial electrical installations for the protection of personnel from electric shock. They operate by sensing residual current, that is to say, any current that passes through people and not back into the electrical installation’s neutral, for example if appliance becomes live due to insulation breakdown, earth leakage current, or poor earthing etc.

The 8T624F61AN is a dual-residual-current-interrupt-function RCCB, compliant with IEC 61008-1, with a Rated Residual Operating Current of 30mA. It offers two functions: sensitive residual current protection and residual current protection. The 8T624F61AN also offers an adjustable rated residual operating current (IR), which ranges from 10mA to 300mA. This adjustable IR allows you to fine-tune the device’s response to a wide variety of applications such as increased crawling distance or reduced shock risk.

The 8T624F61AN is designed to be used in multiple applications, including domestic and commercial installations, and is suitable for all ungrounded power systems such as TN-C and TN-S. The 8T624F61AN has a built-in connector for convenient wiring. This feature helps reduce installation time and labor costs.

The 8T624F61AN’s working principle is basically a trip switch. It continuously monitors the current flowing through it and instantly trips if it senses an over current or a residual current. When this occurs, the 8T624F61AN interrupts the electrical power supply, thus protecting people and equipment from potential hazardous conditions.

The 8T624F61AN has been designed to comply with the stringent requirements of IEC 61008-1. This is achieved by the use of a trip sensor, which is an extremely accurate sensing element, capable of detecting small currents. This feature ensures that the device is constantly scanning the power lines for any abnormal changes, which helps protect people and property from injury and damage.

The 8T624F61AN is suitable for use in domestic, commercial and industrial electrical installations. It is also suitable for use as an additional protective device in advanced electrical systems such as installation of renewable energy source, which is subjected to rapid fluctuation of current.

In conclusion, the 8T624F61AN is an advanced residual current circuit breaker that offers multiple application field and an adjustable rated residual operating current for better safety. The working principle of 8T624F61AN is based on the trip switch which instantly trips if it senses an over current or a residual current. This advanced D624F series RCB ensures that the device is constantly scanning the power lines for any abnormal changes, which helps protect people and property from injury and damage.

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