UPGH34-9419-1 Circuit Protection

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Circuit breakers are essential safety components in many electronic devices, especially in power supply circuits. The UPGH34-9419-1 is a type of circuit breaker designed for a variety of applications. It is designed to accurately detect and rapidly respond to circuit over-currents or short circuit conditions, while safely conducting normal operating current levels.

The UPGH34-9419-1 circuit breaker has a complex internal circuit, which is divided into two parts: the primary current detection circuit and the reset circuit. The primary current detection circuit consists of a Hall Effect current sensing element, a series of resistors, and a comparison circuit. The Hall Effect sensing element is positioned between two gold-plated contact points. When current levels above the rated value are detected, the Hall Effect sensing element produces a voltage signal proportionally to the current flow. This signal is then compared to a pre-set value by the comparison circuit, and if it is greater than the preset value, an internal latch circuit is activated to turn off power to the circuit.

The reset circuit consists of a switch, a diode, and a reset transistor that functions as a voltage sensing element. When the primary current detection circuit sets off the internal latch, the voltage across the switch drops. This causes the reset transistor to turn off, preventing any further current from flowing through the circuit. To restore normal operation, the user simply needs to press the reset switch which turns the reset transistor back on, allowing current to flow again.

The UPGH34-9419-1 circuit breaker is designed to protect against over-current short-circuit conditions, and is suitable for a variety of applications including motor control circuits, lighting systems, and other electronic circuits. It also features a built-in thermal cut-off which prevents damage due to prolonged current flow conditions and provides a high degree of protection for both the device and the end user.

In addition, the UPGH34-9419-1 circuit breaker is designed with a wide input voltage range of 18VDC to 36VDC, making it suitable for a variety of applications. It also features a fast response time of less than 200µs which prevents significant voltage drops and can protect a circuit circuit from sustained over-current conditions.

The UPGH34-9419-1 circuit breaker is a reliable and cost-effective way to protect electronic circuits from damage due to high-current and short-circuit conditions. Its compact size, low power consumption, and fast response time make it an ideal choice for various types of applications.

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