A relay (English name: relay) is an electrical control device. It is an electrical appliance that causes the controlled quantity to undergo a predetermined step change in the electrical output circuit when the input quantity (excitation quantity) changes to the specified requirements. It has an interactive relationship between the control system (also called the input loop) and the controlled system (also called the output loop). Usually used in automated control circuits, it is actually an "aut
The working principle and characteristics of electromagnetic relays: Electromagnetic relays are generally composed of electromagnets, armatures, springs, contacts, etc. The working circuit is composed of two parts, a low-voltage control circuit and a high-voltage working circuit. The electromagnetic relay can also realize remote control and automatic control. As long as a certain voltage is applied to both ends of the coil, a certain current will flow in the coil, which will produce electromagne
What matters should be paid attention to when operating electromagnetic relays: 1. The operating voltage is not more than 70% of the rated voltage. 2. The return voltage is not less than 5% of the rated voltage.
What are the common types of relays? Let's take a look at how Xin Aifu editor introduced it. 1. Overcurrent relay Overcurrent relay, CO for short, is a relay that acts when the current exceeds its set value. It can be used for system circuit and overload protection. The most commonly used is induction type overcurrent relay, which uses electromagnets and The rotating discs made of aluminum or copper face each other, relying on the principle of electromagnetic induction to rotate the rotating dis
A relay (English name: relay) is an electrical control device. It is an electrical appliance that causes the controlled quantity to undergo a predetermined step change in the electrical output circuit when the input quantity (excitation quantity) changes to the specified requirements. It has an interactive relationship between the control system (also called the input loop) and the controlled system (also called the output loop). Usually used in automated control circuits, it is actually an "aut
The working principle and characteristics of electromagnetic relays: Electromagnetic relays are generally composed of electromagnets, armatures, springs, contacts, etc. The working circuit is composed of two parts, a low-voltage control circuit and a high-voltage working circuit. The electromagnetic relay can also realize remote control and automatic control. As long as a certain voltage is applied to both ends of the coil, a certain current will flow in the coil, which will produce electromagne
What matters should be paid attention to when operating electromagnetic relays: 1. The operating voltage is not more than 70% of the rated voltage. 2. The return voltage is not less than 5% of the rated voltage. 3. The action time of the relay is not more than 60ms. 4. The power consumption is not more than 4kW under the rated voltage. 5. Thermal performance When the ambient temperature is 40℃, the relay coil can withstand 110% of the rated voltage for a long time, and the temperature rise does
What are the common types of relays? Let's take a look at how Xin Aifu editor introduced it. 1. Overcurrent relay Overcurrent relay, CO for short, is a relay that acts when the current exceeds its set value. It can be used for system circuit and overload protection. The most commonly used is induction type overcurrent relay, which uses electromagnets and The rotating discs made of aluminum or copper face each other, relying on the principle of electromagnetic induction to rotate the rotating dis
