Three-phase circuit breakers are opening switches. Used devices in AC and DC circuits. The standard model consists of a set of expanders. The process of switching them is based on changing the frequency in the circuit. Modulators are integral elements of automatic machines. They consist of resistors as well as capacitors.
Wired versions have a stabilizer. The triodes in the devices are designed to transmit a signal to the central unit. Regulators for modifications are used single-channel, and two-channel type. Insulators for system protection are used with plates. To increase the power of the machine, converters are needed.
Device purpose
Three-phase type machines are mounted on high-power drive devices. In alternating current circuits, they are used together with rectifiers. Many modifications are able to work with controllers. If we consider powerful models, then they are suitable for power plants.
How is the model connected?
The standard input three-phase type automatic machine is connected via a dynistor. The output contacts of the device are connected with an expander. To stabilize the input signal, a relay is needed. The rated voltage, as a rule, does not exceed 230 V. Connection to the drive mechanisms is possible only through an adapter. Contactors in this case are used inverting type. If we consider low-power drive devices, then relays are often used at 120 V.
Device Description PL6-C10 / 3
This machine (three-phase, 25A) is suitable for circuits with alternating current. The controller in the device applies a single-channel type. If you believe the experts, the maximum output voltage reaches 300 A. The resistor conductivity parameter is not more than 3 microns. The power of three-phase automatic machines of this series is 2 kW. The capacitor of the modification is used with an adapter. It is also important to note that the machine has a varicap. The specified element is installed in the lower part of the structure, and he is responsible for stabilizing the frequency.
Specifications for the PL6-C10 / 5
The specified machine is connected via a 200 V relay. According to experts, the expanders in the device are used with high-quality capacitive filters. The regulator of the model has a two-channel type. For 3 A drive mechanisms, the device is great.
Modification tetrodes are used in the low-impedance type. The resistance on the lining is 30 ohms. Directly output voltage does not exceed 120 V. For circuits with alternating current, the model is not suitable. The specified three-phase automatic machine (market price) costs about 1300 rubles.
Modification Parameters PL6-C10 / 8
The three-phase circuit breaker of this series is connected via a 230 V relay. A linear stabilizer is used to protect the modification. If you believe the experts, the modelโs efficiency indicator is high. The power of this device is 2.3 kW. The transceiver in the modification is used with two capacitors. The resistance parameter on the lining is 33 ohms. The system of protection against wave failures in this machine is absent. The output voltage of the model of this series is 230 V.
Description of the device VA47-29
The specified machine (100A) three-phase type is used for drive devices of low power. If you believe the experts, then the capacitors are installed with electrode filters. They protect the system well from wave faults. The main disadvantage of devices is considered to be a small threshold of conductivity. The pulse rectifier in the modification is missing. For low-power drive devices, this machine is not suitable. The regulator for the modification is used in a two-channel type. Directly varicap is used with diode capacitors. The frequency efficiency indicator maximum is 60%.
Characteristics of the model VA47-33
The specified input machine has a high input voltage parameter. The permissible relay overload level is 40 A. In this case, the drive devices can only be connected with single adapters. Resistors for modifications are used low-impedance type. The resistance parameter on the expanders is 30 ohms.
If you believe the experts, then the problems with frequency malfunctions are not terrible for the machine. To protect the device there is a modulator. In total, he has three capacitors installed. The transceiver in the model is located in the upper part of the structure. The regulator of this machine has a two-channel type. It is connected to the contacts through an adapter. The varicap in the device is responsible for receiving the signal. The maximum input voltage is 300 V.
The system of protection against failures of the dinistor is not provided. If we consider the contact drive mechanisms, then the machine is allowed to connect through a relay of 240 V. In this case, the frequency of the device is 55 Hz. When connected, insulators are used with filters. Most often they are used electrode type.
Modification Parameters BA47-35
The presented machine is suitable for 30 A. drives. If you believe the experts, then the model uses two high-quality filters. The conductivity index on the expander is at least 3 microns. The input resistance of the machine of the specified type is 30 ohms. The modulator in this case is used with two adapters. Resistors are used operational type. The overload indicator of insulators does not exceed 23 A.
The system of protection against impulse noise in this machine is absent. The triode in the device is installed at the bottom of the structure. The contacts of the model are located under the closing mechanism. The change of position of the resistors is carried out thanks to the transistor. The conductivity of the varicap is at around 4 microns. The output voltage of the machine in this series is at least 300 A. The model is connected only through a 230 V relay. The machine does not have a phase distortion protection system.
Description of the device Legrand 32
The automatic machine (three-phase) of the presented series is suitable for expander drives. Resistors in the modification are used operational type. The output voltage of the machine does not exceed 230 V. At maximum load, the stabilizer is turned on. In this case, capacitors are installed behind the rectifier. The triode of the machine of the presented series is used broadband type. The converter is standardly installed at the bottom of the model, next to the triode. Connecting the device is allowed through a 230 V relay.
Characteristics of the Legrand 40 model
The specified machine (three-phase) is made with two wire resistors. With voltage stabilization, the model is doing well. Conductivity on the capacitor is not more than 3 microns. If you believe the experts, then for 40 A drives, the automatic machine of the specified series fits perfectly.
The varicap in the device is used with a linear filter. It is also important to note that the machine uses only one converter. The expander's maximum overload indicator is 3 A. The output voltage at the contacts does not exceed 250 V. This machine does not provide a phase distortion protection system. A 300 V relay must not be used to connect the device .
Legrand 45 modification options
The specified machine (three-phase) is required to turn off the drive devices. The regulator of the model is used a single-channel type. If you believe the experts, the stabilizer in the modification is used with a high-quality adapter. Resistors in the device are installed behind the contacts. In total, the model has three capacitors that have good conductivity.
It is also important to note that an expander is used to stabilize the output voltage. Filters at the machine of the indicated series are used of a linear type. The regulator is attached to the modulator through a dynistor. 200 V relays are allowed for connection. The converter for the modification is designed for large overloads.
Description of the device Legrand 50
The presented machine (three-phase) is suitable for drives of various capacities. The conductivity of the device is 3 microns. The resistors in it are used with capacitive capacitors. It is also important to note that the model uses a diode extender. If you believe the experts, then for 30 A drives, the model fits perfectly. The thyristor in the device is used with a linear filter.
The contacts at the machine of the presented series are located behind the expander. You can connect this modification through a 200 V relay. The rectifier in the model is used with a dinistor. The regulator is set to single channel type. In an alternating current circuit, this machine does not work.
Characteristics of the model 30
Automatic machines ABB of the presented series are made with three resistors. The output voltage on the capacitors is 230 A. There is no protection system from impulse noise at the machine. It is also important to note that the model stand out with low resistance. The capacitors on the expander are installed capacitive type. The varicap in the device is able to solve problems with increasing voltage.
Only 240 V relays are suitable for connecting the device. The triode of the modification is of an operational type. In total, the model uses four linear filters. If you believe the experts, then for 43 A drives the machine is well suited.
Parameters of modification 30
These three-phase type ABB automatic machines are suitable for 30 A drive mechanisms. If you believe the experts, then the expander is used with high-quality linear filters. In total, the modification has three resistors. Their conductivity is at least 4 microns. Capacitors in this case are located behind the contacts. To increase the output voltage, only an operational expander is used.
The modulator in the device is used with two filters. The regulator is standardly installed single-channel type. It is connected to the modulator through a transceiver. The converter in the model is not designed for heavy loads. It is also important to note that the automatic machine of this series is not suitable for 35 A drive mechanisms. The modification has a magnetic type tetrode. The dinistor is located in the lower part of the structure, and is connected to the modulator through a triode.