There is a DC 24V power supply, how to use a 24V relay to control the AC 380V motor

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<> as shown above. The base current of the triode is about 2mA. The relay only acts as an automatic switch. The two pins connected to the 24V and the triode collector are coils and have a resistance value. The other pin is an electric shock switch.

The base current of the triode is about 2mA.

The relay only acts as an automatic switch.

The two pins connected to the 24V and the triode collector are coils and have a resistance value.

The other pin is an electric shock switch.

The control coil of the AC contactor is generally AC 220V and 380V, and the control power supply of the AC contactor is controlled by a 24V relay, and the AC contactor power supply is connected to 380V to control the motor.

The contactor controls the motor, and the contactor has its coil control, and you control its coil, and puts his coil into the normally open point of your 24V relay, and that's it.

The motor is controlled by AC contactor, 24V power supply is used to control 24V relay, and AC contactor coil can be controlled by 24V relay normally open point.

S3Y-2 Time Relay.

The coil voltage is AC 220V, AC 110V, AC 24V, DC 24V four specifications. There will be a box in front of the voltage of each specification, and the coil voltage corresponding to the electrical relay is marked in red.

In the ** you provided, DC24V is marked, so, the coil voltage of your relay at this time is DC 24V.

There will be a box in front of the voltage of each specification, marked in red is the coil voltage corresponding to the interelectric relay, DC24V is marked, so the coil voltage of your relay at this time is DC 24V.

1.It cannot be used interchangeably.

2.When the coil passes through the direct current, there is only the resistance of the coil wire itself that winds the relay coil, whereas when the alternating current passes through the coil, there is reactance XL. in addition to the resistance r of the coil itselfTherefore, the number of coil turns of DC relays is much more than that of AC relays for relays with the same rated voltage.

The DC relay used in the AC circuit will not engage properly, while the 24V AC relay used in the DC circuit will burn out.

The 24V DC intermediate relay cannot be wired to control the 220V lamp.

Relays generally have an induction mechanism (input part) that can reflect certain input variables (such as current, voltage, power, impedance, frequency, temperature, pressure, speed, light, etc.);

There is an actuator (output part) that can realize "on" and "off" control of the controlled circuit; Between the input part of the relay and the output part, there is an intermediate mechanism that couples and isolates the input quantity, processes the function, and drives the output part (the drive carrying part).

This is a relay that operates by combining a polarized magnetic field and a magnetic field generated by a control current through a control coil. The direction of action of the relay depends on the direction of the current flowing through the control coil.

When the input signal is added or removed, the output part needs to be delayed or limited to a specified time before closing or disconnecting its controlled line relay.

Therefore, the 24V DC intermediate relay cannot be wired to control the 220V lamp.

1. A 24V power supply is required, which is a transformer with an output of 24V.

The relay of V controls the on/off of 220V or 380V through each contact. In order to control the power supply of the contactor coil, to control the contactor suction and disconnection.

3. The working principle of the relay is that a certain voltage is added to both ends of the coil, and the coil will produce a current, which will produce an electromagnetic effect, and the armature will overcome the tensile force of the return spring under the action of electromagnetic force and attract to the iron core, thereby driving the dynamic contact of the armature to engage with the static contact (normally open contact). When the coil is de-energized, the armature will engage the moving contact with the original static contact (normally closed contact Iwagaozhou). In this way, the purpose of conduction and cutting in the circuit has been achieved.

Summary. Or the motor can be controlled with an AC contactor, the 24V power supply can control the 24V relay, and the AC contactor coil can be controlled with the normally open point of the 24V relay.

There is a DC 24V power supply, how to use a 24V relay to control the AC 380V motor.

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The two hidden royal pins connected to the 24V and triode collectors are coils, which have resistance values. The other stove pin is an electric shock switch.

Or the motor is controlled by an AC reed contactor, a 24V power supply is used to control the 24V relay, and a 24V relay dust is used as a belt device to control the AC contactor coil.

1. The number of coil turns is different: the number of coil turns of DC relay is large. AC relays have a low number of coil turns.

2. The application effect is different: the DC relay cannot be properly engaged when used in the AC circuit. AC relays will burn out when used in DC circuits.

3. Different resistance sizes: The DC resistance of AC relays is small. DC relays have a large AC impedance.