3VL9440-7DC30 is a network communication module or circuit breaker accessory(specific classification may vary depending on the manufacturer and application scenario).The following is a detailed introduction to the product:

1.Product Overview

3VL9440-7DC30 is commonly used in power distribution protection equipment,such as Siemens or ABB’s 3VL circuit breaker series.As a network communication module,it supports multiple communication protocols and interfaces,enabling data exchange and remote monitoring between devices.As a circuit breaker accessory,it enhances the function of the circuit breaker in various applications,such as remote control and monitoring,and provides additional functions such as short-circuit protection and overload protection.

2.Main functional features

Network communication function:

Supports Ethernet communication interface,which can be connected to a local area network(LAN)or a wide area network(WAN).

It may support multiple communication protocols,such as Modbus TCP/IP,Profinet,etc.,to adapt to different communication environments and equipment.

Remote monitoring and control:

It can remotely monitor the operating status,parameters and alarm information of the equipment through the network.

Realize remote fault diagnosis and maintenance.

Data transmission and security:

It can reliably transmit data,including monitoring data,control instructions,event records,etc.

It has data encryption and security authentication functions to ensure data security and integrity during communication.

Modular design:

It adopts modular design,which is easy to install,maintain and expand.

It can flexibly cope with control systems of different scales and complexities.

Industrial-grade design:

It is designed in accordance with industrial standards and has protection level,anti-interference and other characteristics.

It is suitable for various industrial environments with high reliability and stability.

3.Product parameters(taking ABB brand as an example)

Rated current:400A

Rated voltage:690V

Frequency:50/60Hz

Rated short-circuit breaking capacity:50kA

Operating temperature range:-25°C to+70°C

Protection level:IP20

Certification:IEC,UL,CSA,etc.

(Note:The above parameters may vary depending on the manufacturer and product version.For specific parameters,please refer to the product manual or the manufacturer’s official website.)

4.Application field

3VL9440-7DC30 is widely used in various industrial control scenarios,such as power,chemical,manufacturing and other fields.It can meet the communication needs of different industries and improve the intelligence and automation level of the power distribution system.

 

The company mainly imports PLC modules,programmable controllers,servo control systems and DCS spare parts,such as:ABB,AB(Rockwell),GE(General Electric),Bentley,Honeywell Er),Emerson.),Motorola,Invensys,Westinghouse,etc.The company has established close cooperative relations with many world-renowned PLC and DCS product maintenance service providers.We can purchase goods directly from abroad and provide equipment and spare parts from different countries and manufacturers.

We supply goods directly from abroad,without intermediaries,reducing the cost of use.

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