PV72L18-11S

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PV72L18-11S is an electromechanical relays. It is a multi-functional protective device that has been designed for sensing and short-circuit protection. The device has the capability of instantaneous breaker closing which adds up to its functionality as a safety device. PV72L18-11S is also known as a compact contactor that comes along with a range of protective functions which includes over and under voltage protection, over temperature protection and time delay control. It is typically used in AC and DC motors and generators, industrial control circuits, and electric power systems. The device works with an input voltage range of from 18 to 27 VDC.

The working principle of the PV72L18-11S is based on the transformation of electrical energy into mechanical energy. The device has two sets of input levels which correspond to the comparative voltage inputs provided by the user. When the voltage levels of the two input signals exceed the comparative voltage levels, the current that passes through the armature of the relay generates a mechanical movement that closes the circuit breaker. This ensures the protection of the system from any potentially dangerous conditions.

The design of the PV72L18-11S helps in providing a high level of protection to the system. The device is equipped with a range of features which include an arc suppression chamber, a surge-protected busbar, and a fully encapsulated contact housing. The arc suppression chamber helps to reduce the amount of current and energy that passes through the contact points when a fault occurs. The surge-protected busbar helps to protect the system against any sudden surge of current. The fully encapsulated contact housing provides an optimal level of electrical isolation between the input and output signals. This helps to reduce the risk of accidental contact and thereby reducing the chances of any electrical shock.

The device also has a time delay feature which is used to recover from any transient voltage or current under-voltages. It is integrated into the design which helps to prevent any short-circuiting of the contacts. The device also features an overload protection circuit which helps to protect the system from any improper loading or abnormal environmental conditions.

The PV72L18-11S is highly efficient and reliable and requires minimal maintenance. It is designed for harsh environmental conditions and is suitable for use in a wide range of applications. The device is widely used in motor control, power systems, and various industrial applications. It is also often used in photovoltaic systems for protection against unexpected environmental conditions. This relay provides reliable, cost-effective, and quick protection to the system that helps it to run smoothly and safely.

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