WOUVT-3-240SX-A

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Protection Relays & Systems are electric circuit protection devices that provide safety from overload, short circuit, and ground fault malfunctions. They can be used in a variety of applications, from industrial to residential, and they are often used in critical applications where the safety of personnel and equipment is paramount.

The WOUVT-3-240SX-A is one type of protection relay and system available to provide protection in cases of power system misbehavior or electrical malfunctions. This specific type of overload relay is integrated into a NEMA rated steel housing and includes a thermal element that is able to detect any overcurrent situation and respond accordingly.

One of the primary application fields of the WOUVT-3-240SX-A is the protection of electric motors in industrial settings. When an electric motor is running, the current it draws is balanced and follows certain trends. An overload situation refers to when the current exceeds the minimum safe current levels defined by the motor\'s rating, and the WOUVT-3-240SX-A is designed to detect this overload situation and actuate its own protective steps.

The working principle of this overload relay involves a bi-metal strip as its main element. This bimetallic strip is located inside the NEMA rated steel housing and is continuously monitored and inspected for any significant temperature change that may indicate a fault in the power system. The bi-metal strip is made up of two metal pieces that are bonded together; each metal piece has a different coefficient of thermal expansion so that when the temperature changes, the distance between the two metal strips also changes. This change in distance results in the actuation of the relay.

When an overcurrent situation is detected, the bi-metal strip expands, and this expansion triggers the relay to actuate. The relay actuates and causes an electrical contact to close, which in turn causes the electric circuit to open and protect against a potential power surge. The WOUVT-3-240SX-A can detect any minor or significant overcurrent situation, and the actuation of the relay can be to cause a small circuit interruption, full shut-off, or even complete isolation from the power system.

Aside from the use for motor protection, this type of protection relay and system is also used to safeguard telecommunication systems, medical equipment, and residential applications. The WOUVT-3-240SX-A offers reliable protection for these systems and can quickly actuate when a fault is detected. The WOUVT-3-240SX-A also has a modular design and small size, which make it easy to install and maintain in most settings.

In summary, the WOUVT-3-240SX-A is a type of protectionrelay and system that offers reliable protection and a range of application fields. Its working principle involves a bi-metal strip that is able to detect temperature changes; when an overcurrent situation is detected, the bi-metal strip expands, which actuates the relay and causes an electrical contact to close, eventually safeguarding the circuit from a potential power surge.

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